The carbon ring alone without any extra doodad atoms attached is called benzene, but benzene is much harder to detect with radio astronomy than benzonitrile is, said McGuire.
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Benzene is a carcinogen known to cause cancer in humans.
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"The big fire was burning off the benzene," Sitton said.
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However, these pollutants can also include nitrogen dioxide, formaldehyde and benzene.
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The U.S. Environmental Protection Agency (EPA) classifies benzene as a carcinogen.
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It is unclear what caused the release of benzene, she said.
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The increased benzene levels, which were detected beginning at 4 a.m.
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Contaminants included the volatile organic compounds trichloroethylene, perchloroethylene, benzene and vinyl chloride.
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Products will also include liquefied petroleum gas, sulfur, asphalt, benzene and paraxylene.
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Exposure to benzene can cause cancer in humans, according to the EPA.
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Benzene, for example, is a recognized carcinogen often associated with such development.
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Spilled and leaked substances included hydrogen sulfide, methyl chloride, hydrocarbons and benzene.
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Carbon filters remove chemicals from the air, including benzene, nitrogen dioxide, and formaldehyde.
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Sometimes (as in the case of benzene) the result is an atomic ring.
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Another released approximately one ton of the carcinogenic compounds benzene and 1,3-butadiene.
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For women, inhaling benzene can lead to irregular periods and shrink their ovaries.
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The order had been prompted by the levels of benzene in the air.
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Only the Benzene-Toulene-Xylene unit remained shut on Thursday, the sources said.
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The Intercontinental Terminals Company said increased levels of benzene were detected early Thursday.
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The emissions also contain trace amounts of other harmful chemicals, including the carcinogen benzene.
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The 100 exposed drums contain ethyl benzene, chloroform, toluene, xylene, and other organic chemicals.
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The World Health Organization (PDF) considers exposure to benzene a major public health concern.
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The house's right side is blackened from a fire set by somebody's benzene torch.
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This ice cloud is a hybrid of hydrogen cyanide and benzene, which condensed together.
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They also convert benzene into phenol, which is used to build plant cell walls.
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These contain toxic substances, such as arsenic, benzene, zinc, radioactive materials and other contaminants.
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A couple thousand pounds of 2000,3-butadiene, benzene, and butane were released as well.
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In the end, a few smidgens of organics remained, including benzene and propane molecules.
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Houseplants can:Remove indoor pollutants called volatile organic compounds (VOCs), including benzene, formaldehyde, and trichloroethylene.
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He wanted his blood tested specifically for benzene, but his insurance wouldn't cover it.
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The company said the benzene likely came when the fuels were exposed to the air.
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The WTC dust that he breathed in contained asbestos, benzene, jet fuel and other carcinogens.
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The blue line follows hard to speculate groups such as rubber, benzene and some textiles.
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Many of the chemicals pose known threats to human health, such as benzene and acetaldehyde.
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The third is VOCs (volatile organic compounds), which are potentially dangerous chemicals like benzene or formaldehyde.
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The third tells you the concentration of VOCs (volatile organic compounds), potentially dangerous chemicals like benzene.
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So yes, it literally rains oil on Titan, and sometimes it snows, in the form of benzene.
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Kekulé's dream of carbon atoms dancing in rings led to his model of the structure of benzene.
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JP-8, the jet fuel often used to ignite trash, released clouds of benzene, a known carcinogen.
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Natural gas also contains the compound benzene, which is considered a carcinogen by the World Health Organization.
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Most of the research has looked at long-term exposure in industrial settings, with higher benzene concentrations.
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Shell reports it has released 100 pounds of benzene and toluene each due to a sinking roof.
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Acute exposure to benzene can cause headaches, dizziness or loss of consciousness, the World Health Organization says.
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Three days later we found out that we had driven into one of the largest benzene spills.
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It results in more acetaldehyde and formaldehyde emissions but less benzene and butadiene emissions than gasoline vehicles.
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Benzene disrupts how cells work, and in the long-term, can damage the immune system and cause cancer.
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No injuries were reported, but air monitors detected high levels of benzene, a toxic chemical linked to cancer.
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E-cigarette smokers' pee also showed similar exposures to three volatile organic compounds: toluene, benzene, and carbon disulfide.
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Those who decide to stay have to contend with a drinking water supply contaminated with cancer-causing benzene.
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Burning plastic bottles released dioxin and hydrochloric acid, and burning foam cups released dioxin, benzene, and other carcinogens.
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Scented candles often contain potentially harmful ingredients like benzene, but essential oils can also be confusing to use.
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The pollutants included benzene, which is a carcinogen, and methane, which is a major contributor to climate change.
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The project includes a one million tonne per year (tpy) aromatics plant and a 500,000-tpy benzene unit.
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Harvey's destruction contributed to the release of various hazardous and carcinogenic chemicals including benzene, vinyl chloride and butadiene.
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According to Solidar Suisse, workers often handled chemicals such as benzene, which has been linked to poisoning and leukaemia.
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The CPCIF will propose benchmarks for 23 products including refined oil products, ethylene and aromatic hydrocarbons such as benzene.
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This has often revealed levels of toxic chemicals, such as benzene, many times higher than those allowed by law.
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Shell last week instituted a temporary shelter-in-place for workers after air monitors detected elevated levels of benzene.
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Fumes from the exposed fuels triggered elevated benzene readings on Thursday at an air monitor located near the site.
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The complex would process crude at international prices to make polyethylene, polypropylene, xylene, benzene and other products, Nasser said.
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Benzene liquid or vapor exposure can irritate the eyes and throat, and cause redness and blisters on the skin.
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"We caught benzene vapor immediately early this morning, and our plan was activated and executed as designed," she said.
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Often, it contains small amounts of volatile, toxic, organic compounds such as benzene, formaldehyde, butadiene, carbon tetrachloride, naphthalene and chloroform.
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The seven were exposed to toluene, xylene, naphtha and benzene "causing them severe injuries and damages," according to the lawsuit.
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"The biggest source of toxins is through inhalation and crude oil has benzene, which is a carcinogen," explained an environmentalist.
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Officials on Friday closed a seven-mile stretch of the channel after chemicals, including benzene, were detected in the water.
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Soil tested in 2008 was found to contain benzene at 43,000 times safe levels, as well as arsenic and mercury.
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However, some research shows that heating benzaldehyde can form benzene, a chemical long known to cause leukemia and other cancers.
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Through a lot of trial and error, I discovered that benzene could thin the tar out to an appropriate consistency.
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Ammonia, benzene, cyanide, lead; a laundry list of toxins formerly trapped in coal ore are now likely airborne before us.
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Short-term health effects of benzene inhalation include "drowsiness, dizziness, headaches, tremors, confusion, and/or unconsciousness," according to the CDC.
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OSHA has reasonably protective standards for a few toxic substances, such as asbestos, benzene, and formaldehyde, but enforcement is challenging.
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Chemicals used in oil fracking that may be released into air and water include the cancer-causers benzene and formaldehyde.
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Other than causing cancer, long term exposure to benzene can cause excessive bleeding and can increase the chance of infection.
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Along with methane, many other toxins —including benzene — were released and have since been found in homes in Porter Ranch.
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Plants like the nearby Valero facility emit a slew of poisonous chemicals like benzene and hydrogen cyanide into our neighborhoods.
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A Royal Dutch Shell facility on Wednesday had ordered employees to avoid an area where it detected elevated levels of benzene.
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Air samples collected in the area also contained above-normal levels of benzene, a known carcinogen, and other potentially dangerous compounds.
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It constantly monitors the air around you, measuring the amounts of harmful gases, VOCs like acetone, methanol, benzene, formaldehyde, ethanol, etc.
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Natural gas leaks release not only methane, but a host of other dangerous air pollutants as well — like the carcinogen benzene.
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Recent research by HARC has measured elevated levels of benzene and other air toxics near pipelines and storage tanks near Houston.
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Benzene is a known carcinogen, and other evaporated hydrocarbons contribute to the formation of ground-level ozone smog and particulate matter.
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Capacity is designed to be 1.250 million tones of purified terephthalic acid, 840,000 tonnes of paraxylene and 340,000 tonnes of benzene.
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But instead of just salt water, his method also used a more potent chemical solvent called benzene to finish the job.
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Environmentalists and public health advocates say the memos could greatly increase levels of air pollutants like mercury, benzene and nitrogen oxides.
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Then comes layers of fluorocarbon powder and liquid waxes that often contain nasty solvent-based additives such as benzene, toluene, and xylene.
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The latter substance can form the carcinogen benzene when combined with ascorbic acid, according to the US Food and Drug Administration (FDA).
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Some of those noxious gases include carbon monoxide, ethylene, sulfur dioxide, nitrogen oxides, propylene, propane, ethane, benzene and other volatile organic compounds.
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A study published this year in the journal Environmental Pollution found that the carcinogenic chemical benzene can be present in many salons.
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It found elevated amounts of benzene, a carcinogen, and other harmful chemicals, but not at levels that are known to endanger health.
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People shut their doors and windows tight to stop the benzene, a sweet-smelling, highly-flammable carcinogen, from seeping into their homes.
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It also monitors the humidity and temperature to know what particles are in the air, including pollen, NO2, formaldehyde, benzene, and other bacteria.
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According to two reports from the operator, about 292,2000 pounds of pollution were released, including toxic chemicals such as benzene, butane, and xylene.
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Royal Dutch Shell on Wednesday had ordered employees to avoid an area at its facility where it had detected elevated levels of benzene.
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No injuries were reported, but authorities testing the air detected high levels of benzene, a toxic chemical which has been linked to cancer.
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Other toxic chemicals such as benzene are released which pose a threat to families living near oil and gas operations and to workers.
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A number of other chemicals are released during vaping which are potentially hazardous, including acetaldehyde, benzene, cadmium and formaldehyde, to name a few.
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Painters can be exposed to fumes from paint, which may contain chemicals like benzene, which has been linked to a higher risk of
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Over the long term and in high doses, benzene has been linked to cancer, blood disorders, and fetal development issues in pregnant women.
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"I'm not worried," said Lillie Patton, a resident of Pasadena, Texas, one of the communities that closed schools because of danger from benzene fumes.
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The U.S. Environmental Protection Agency (EPA) classifies benzene, a component of gasoline stored in some of the tanks that burned, as a known carcinogen.
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When asked about long-term exposure to benzene, Jarrett said there was little research out there that looked at the compound at these levels.
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In addition to its climate impacts, petrochemical production can release airborne toxins such as 1,3-Butadiene, benzene, and toluene, causing cancer and other illnesses.
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In addition to the sky-high levels of benzene the investigation identified, the facility was leaking other chemicals into the surrounding neighborhood for years.
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"Major" air pollution sources are subject to much stricter rules for what they must do to reduce emissions such as mercury compounds and benzene.
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Pollutants, including pentacholorphenol, benzene naphthalene, toluene, and phenol, have migrated from the ponds, contaminating the shallow ground water beneath the site and the Laramie River.
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"Benzene is one of the chemicals that's associated with oil and gas production and is a known cause of certain types of leukemia," she said.
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Harris County's environmental public health division director, Michael Schaffer, said a reading of 1 part per million of benzene was detected at 2:55 a.m.
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ITC said workers monitoring the scene of the fire had detected increased levels of benzene, but said these levels did not represent an immediate risk.
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When these toxic compounds, which included formaldehyde and benzene, become concentrated in closed environments, they can make the occupants of that space feel incredibly sick.
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On Thursday, a Tokyo government survey found benzene at 1.4 times safe levels in water under a building set to sell produce, media reports said.
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Los Angeles air, among the most polluted in the nation, tends to have a background concentration of benzene between 0.1 and 583 parts per billion.
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What's more, groundwater wells outside the perimeter of the landfill were found to be contaminated with carcinogens like benzene in "high concentrations," the state said.
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Studies have shown that toxic pollutants like benzene and toluene from spills and contaminated soil can permeate certain types of plastic pipes as they age.
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Benzene, a chemical often found at drilling sites in the Rocky Mountain state, can lead to cancer and infertility, according to the Center for Disease Control.
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It also releases sulfur dioxide and nitrogen oxide gasses as well as benzene, lead, mercury and other harmful substances into the air, the study authors note.
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It has been delayed because of concerns about the clean-up of toxic pollution at its proposed new home, including unsafe levels of cancer-causing benzene.
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But greens are pushing back: Environmentalists and public health advocates say the memos could greatly increase levels of air pollutants like mercury, benzene and nitrogen oxides.
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Burning fossil fuels also sends carcinogenic particles into the air, like benzene (a chemical linked to childhood leukemia and blood disorders) and formaldehyde (a known carcinogen).
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The Texas Gulf Coast is home to many of the nation's oil refineries and chemical plants, which routinely use chemicals like benzene that are known carcinogens.
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We now know that when inhaled, even in small amounts, benzene can cause drowsiness, dizziness, and headaches, as well as eye, skin, and respiratory tract irritation.
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Benzene, a toxic, flammable chemical found in crude oil and gasoline, is known to cause central nervous system damage and bone marrow damage, and is carcinogenic.
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Workers had resorted to dipping their hands in chemicals like kerosene and benzene after their shifts to clean the graphite and carbon black off their hands.
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It contains "more than 7,000 chemicals, including approximately 70 known cancer-causing agents such as formaldehyde, benzene, vinyl chloride, arsenic, ammonia and hydrogen cyanide," she noted.
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What took us so long to reduce the amount of benzene in gasoline or toxic flame retardants in our waters, food, furniture, bedding, fabrics and breastmilk?
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Compounds such as sulphur dioxide, benzene and carbon monoxide, that haven't been issues in western cities for decades, may be a significant problem in African cities.
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And as a result, wood smoke contains a lot of pollutants: chemicals like benzene and formaldehyde, as well as fine particles that can irritate lungs and eyes.
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At the end of the canal, behind a rusting benzene barge and a copse of pines, loom the slender distillation towers of Mitsubishi Polycrystalline Silicon America Corporation.
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Also, according to a study by the Clean Air Task Force, extraction from urban oil fields exposes people to toxic and carcinogenic chemicals like formaldehyde and benzene.
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Emails from its own scientists show the International Agency for Research on Cancer failed to comprehensively review evidence on human exposure to the cancer-causing chemical benzene.
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The rest of the cases were associated with chemicals present in much smaller amounts, like benzene and hexavalent chromium (a chemical that can turn clear water yellow).
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The Coast Guard filings also showed some 365 tons of toxic chemicals like sulfur dioxide, ammonia, toluene, benzene, and carbon monoxide escaped from facilities during the storm.
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In one case, a sinking tank roof at Exxon's Baytown facility resulted in the release of hazardous gases — including volatile organic compounds and benzene — above permitted levels.
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The state's environmental regulator said monitors detected up to 190.68 parts per billion of benzene in Deer Park early Thursday, a level that can cause headaches and nausea.
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The gene they picked was for cytochrome P450 13E1, a mammalian enzyme that oxidises a wide range of volatile organic compounds, including benzene, chloroform, trichloroethylene and carbon tetrachloride.
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To test the effectiveness of their idea, the researchers put their modified ivy to work inside chambers filled with air containing high levels of either benzene or chloroform.
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Ryan Sitton, commissioner of Texas energy regulator, the Railroad Commission, said more fire-suppression equipment on ITC tanks could have led to greater releases of benzene, not less.
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The BLM rule simply makes straightforward financial and economic sense, and it also helps to reduce risks by lessening climate warming pollution, smog and toxic carcinogens like benzene.
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This, in turn, reduces more directly harmful emissions like benzene and particulate matter, because those co-pollutants are also released when carbon emissions pour out of power plants.
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And, while certain of them, such as benzene and toluene, are known to be harmful when inhaled, for the most part their health effects have not been studied.
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Burning it emits particulate pollution under 2.5 microns that crosses the blood-brain barrier, as well as co-contaminants we breathe such as formaldehyde, benzene and other toxins.
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The sites contain what the Environmental Protection Agency calls legacy contamination: lead, arsenic, polychlorinated biphenyls, benzene and other toxic and carcinogenic compounds from industrial activities many years ago.
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This explosion led to high benzene levels in the air, school closures and community shelter-in-place orders for days: stay where you are, turn off air conditioning.
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The Clean Air Coalition in western New York deployed vacuum pumps attached to plastic-lined 5-gallon buckets to monitor the harmful benzene emissions coming from a coke refinery.
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The LCD screens being made by Foxconn require benzene, chromium, cadmium, mercury, zinc, and copper, according to Peter Adriaens, a professor of environmental engineering at the University of Michigan.
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The Jiangsu environmental protection bureau said in a statement late Thursday that the environmental monitoring station in the area had found no abnormal concentrations of toluene, xylene or benzene.
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He said that the next step for TAXA is to genetically engineer a plant that can mop up toxic gases commonly found in the home, like formaldehyde and benzene.
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Officials don't yet know what caused the release of benzene vapor from underneath the foam blanket, Harris County Fire Marshall Laurie Christensen said at a news conference Thursday morning.
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Demand for the site may be limited by heavy contamination from some 150 years of refining, which left behind a cocktail of hazardous chemicals such as benzene and toluene.
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Scientists from my organization, the Environmental Defense Fund, are on the scene helping Houston monitor a hazardous plume of carcinogenic benzene released last week from a damaged oil refinery.
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It's not only designed to capture particular matter, like smoke, dust, and pollen, but now is also capable of trapping harmful gases like formaldehyde, benzene, toluene, and naphthalene, Dyson claims.
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Schools in Houston suburbs were closed for several days after air quality monitors detected elevated levels of benzene, a cancer-causing chemical that was contained in ITC tanks that burned.
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The blaze released toxic benzene which led five school systems with more than 108,000 students to shut for two days, and prompted two cities to tell residents to stay indoors.
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Air monitors in the area detected a spike in benzene levels last week, but they were "were not high enough, long enough" to cause long-term health effects, he said.
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"We don't understand the implications of this type of (benzene) exposure on pregnant mothers, children (and) the elderly, who have shown to be more susceptible to air pollution," he said.
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|
Or of being employed by a tire manufacturer and soaking, day in and day out, in a vat of benzene, a chemical we now know to be a potent carcinogen.
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Under the 700,000-tonne monthly supply deal, Saudi Aramco will provide Egypt with 400,000 tonnes of gas oil, 200,000 tonnes of benzene and 100,000 tonnes of Mazut, the source said.
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It is contaminated with benzene and toluene, both hazardous materials, said Tim Ratsep, a program administrator for Delaware's Department of Natural Resources and Environmental Control, which is cleaning the site.
|
|
Ten oil refineries had levels of the pollutant benzene that were above the government's "action level" at their fence lines as of September of last year, according to a new report.
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Also included in the new study is data on the rate of methane leakage over time, and an analysis of potential carcinogens released from the well, including benzene, toluene, and xylene.
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Perhaps the scientists can use the benzonitrile as a proxy to understand how much benzene there is, and perhaps use that to gather more information about the presumed presence of PAHs.
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For starters, it contains well beyond the 40 different "pyrogenic species" Parrington says his analyses account for, which include various forms of carbon, and toxic aromatic compounds like benzene and toluene.
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If this rule had applied in the past, it would have hampered EPA's ability to protect us from toxic chemicals like benzene, lead, mercury, formaldehyde, air pollutants, and even radioactive substances.
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"People who live close to fracking sites are exposed to a variety of air pollutants including volatile organic compounds (VOCs) such as benzene, xylene and toluene," the Environment America report reads.
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A local doctor found her son in the 79th to 85th percentile for three of them — benzene, ethylbenzene and o-xylene — and her story was picked up by local news media.
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The zero-sulfur, zero-benzene gasoline produced through the STG+TM process can be sold directly into the wholesale market or mixed with crude oil at the wellsite for simplified logistics.
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Harris County Judge Lina Hidalgo said at a news conference on Thursday that the benzene escaped through the foam that was sprayed to blanket the tanks and put out the flames.
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|
In Houston, the EPA confirmed a chemical leak from a Harvey-damaged refinery only after independent testing by the Environmental Defense Fund identified toxic benzene as the cause of neighbors' complaints.
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This plant was also shut down during Harvey, and it released huge amounts of chemicals, including 28,03113 pounds of benzene and 56,000 pounds of nitrogen oxide gases, according to The New Republic.
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Benzene has a pungent odor, and inhaling it can irritate the skin, eyes and the respiratory system, while severe exposure can harm the nervous system or lead to unconsciousness, according to experts.
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|
Last week, schools in Houston suburbs were closed for several days after air quality monitors detected elevated levels of benzene, a cancer-causing chemical that was contained in ITC tanks that burned.
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On Friday, Texas filed a lawsuit against ITC alleging unauthorized air pollution and unauthorized outdoor burning, citing the three-day fire and releases of benzene and volatile organic compounds into the air.
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At the entrance to Bath & Body Works, a device that resembled an electronic parking meter was balanced on a tripod; the digital display read "BENZENE," followed by a series of indecipherable ideograms.
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Benzene, which is a natural part of crude oil and gasoline, is a colorless, flammable liquid with a sweet odor that is known to cause cancer, according to the American Cancer Society.
|
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Preliminary air sampling in the Manchester district of Houston showed concentrations of up to 324 parts per billion of benzene, said Loren Raun, chief environmental science officer for the Houston Health Department.
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The state on Friday filed suit against ITC alleging unauthorized air pollution and unauthorized outdoor burning, citing the three-day fire and releases of benzene and volatile organic compounds into the air.
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|
The agency also tested the air quality in the area over the weekend, finding low levels of benzene, one of the potentially cancer-causing chemicals they also found in the ditch water.
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|
For instance, lightning struck equipment at the Dow Chemical Company plant in Freeport, Texas, releasing about 2000,2109 pounds of pollution, including toxic chemicals that can threaten human health, such as benzene and toluene.
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Although the risk factors for leukemia are only partly understood, scientists have linked it to genetic disorders such as Fanconi anemia and Down syndrome, and to exposure to radiation or toxins like benzene.
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|
In addition, the aerosol from e-cigarettes can contain cancer-causing chemicals such as formaldehyde and benzene; diacetyl, a chemical linked to serious lung disease; and heavy metals, including nickel, tin and lead.
|
|
Four markers were sent to the laboratory, and two dry-erase ones tested positive for a group of compounds often found in petroleum products and known as B.T.E.X.: benzene, toluene, ethylbenzene and xylene.
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One of those compounds, benzene, is a known carcinogen and was found in a package of six magnetic markers purchased on Amazon and produced by The Board Dudes, a brand owned by Mattel.
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|
An Expo dry-erase scented marker, also purchased on Amazon, tested positive for some of the B.T.E.X. compounds, though not benzene and none at levels considered worrying by toxicologists, according to the report.
|
|
State media reported the chemical that caused the explosion was benzene, a highly flammable and toxic compound classified as a carcinogen, adding that the pesticide factory failed a government safety inspection last year.
|
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It had also discussed paying a six-figure penalty to settle claims by the Obama administration that it was illegally emitting 80 tons each year of hazardous chemicals, like benzene, a known carcinogen.
|
|
The American Cancer Society website says long-term exposure to benzene, a colorless chemical with a sweet odor, is known to cause cancer, in particular leukemia, as well as anemia and other blood ailments.
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|
Symptoms commonly associated with exposure to benzene and other chemicals include coughing, difficulty breathing, burning, headaches, nausea, dizziness and irritation to eyes, ears, nose and throat, Harris County Public Health spokeswoman Elizabeth Perez said.
|
|
He added that, while the three high-flash hydrocarbon solvents he tested seem relatively safe, there are tons of less studied hydrocarbon solvents out there, some of which may contain risky substances, like benzene.
|
|
Residents of the surrounding neighborhood of Manchester complained of foul-smelling air, and EDF measured levels of the carcinogen benzene that soared over some state standards, ProPublica and the Texas Tribune reported last week.
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|
The plants performed well, reducing benzene levels from 2,000 milligrams per cubic metre to 250 over the course of eight days, and chloroform levels from 800 to near zero over the course of 11.
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"The LAB manufacturing facility will be fully integrated within the ADNOC refining complex, taking feedstocks of kerosene and benzene and benefiting from the suite of utilities and services of the Ruwais complex," ADNOC said.
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Inhaling benzene, a chemical with a pungent odor, can cause minor irritation to skin, eyes and the respiratory system, while severe exposure can harm the nervous system or lead to unconsciousness, according to experts.
|
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It is also reviewing the reid vapour pressure (rvp), final boiling point, and benzene and oxygen content levels for these assessments, as well as the need to state specific maximum aromatic and olefins levels.
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"Valero has informed EPA that it believes it significantly underestimated the amount of (volatile organic chemicals) and benzene released in its original report to the State of Texas Environmental Electronic Reporting System," Gray said.
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|
A public interest group said this week that it had found toxic substances in a number of school supplies, including asbestos in a Playskool crayon and another carcinogen, benzene, in a dry-erase marker.
|
|
Saudi Aramco declined to comment, while a spokeswoman for Total said the company was still interested in developing petrochemicals units downstream of SATORP's refinery, which already produces some petrochemicals products: paraxylene, benzene and propylene.
|
|
In that case, a whistle-blower who worked for a Koch refinery in Corpus Christi, Texas, told authorities that the company had covered up the fact that it was "hemorrhaging" benzene, a known carcinogen.
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The National Cancer Institute specifically states exposure to benzene increases the risk of AML leukemia — the very cancer that has plagued Aliya Hall, who, according to her mother, had no family history of such diseases.
|
|
The cities of Deer Park and Galena Park, both east of Houston, had issued shelter-in-place advisories to residents after reports of high levels of benzene or other volatile organic compounds (VOCs) were detected.
|
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Potential cancer-causing agents such as asbestos that coated the World Trade Center buildings' lower columns, and benzene, a component of jet fuel that stoked uncontrollable fires, have long been a cancer concern for researchers.
|
|
Texas industry, including refineries and petrochemical plants, released an extra 8.3 million pounds (3.8 million kg) of air pollutants including cancer-causing benzene, during Harvey, said the report by the Washington-based Environmental Integrity Project.
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He remembered becoming obsessed with modern art as a ten-year-old and how he desperately wanted to be a hippie, drenching himself in benzene as he made elaborate batiks in his school's art room.
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Benzene can be extremely harmful to human health if found at high enough quantities, though readings near the leak have shown levels that are below the threshold when it would be considered a health risk.
|
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A shelter-in-place advisory was issued on Thursday for thousands of residents living in Houston suburbs after a petrochemical fire at a nearby gasoline-production facility released dangerous levels of the toxic chemical benzene.
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The agency, which used the order to outline its preliminary findings, also said high benzene and gasoline vapor levels had at one point kept emergency responders from the "assumed failure site" for about 83 hours.
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But the team focused in on its ability to break down the harmful compounds benzene and chloroform, which have been linked with cancer, according to the American Cancer Society and the US Environmental Protection Agency.
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Throughout Wednesday, local and federal officials had assured the public that air-quality readings were "well below hazardous levels" and that there "was no potential threat" posed by elevated levels of benzene in the air.
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East of Houston, a Chevron chemical plant in Cedar Bayou was releasing 28,000 pounds of benzene, 703,000 pounds of acid-rain forming nitrogen oxide gases, and 40,000 pounds of various other chemicals from "miscellaneous" sources.
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Philadelphia Energy Solutions delayed a planned shutdown of 50,000 bpd hydrotreater and a benzene unit at the Girard Point section of the Philadelphia refinery complex due to severe weather conditions, a source told Reuters Wednesday.
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While nicotine does have some health benefits when used alone, many of the ingredients in e-juice, as well as some heating coils, have been shown to leach toxic chemicals, such as lead and benzene.
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The aromatics unit for which Honeywell UOP's technology is being considered under one of the MoUs, would convert benzene and paraxylene, byproducts of gasoline production, into 2 million tons annually of feedstocks for chemicals and plastics.
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What's more, several studies report that heating propylene glycol and glycerin under normal vaping conditions can produce an array of toxic chemicals, including benzene, a known human carcinogen, and fine particles, which can cause heart disease.
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Unmodified versions of Devil's vine, tested for comparison, reduced benzene only from 2,000 to 1,400 milligrams per cubic metres over the same eight-day period, and had no statistically significant effect on chloroform levels at all.
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They also kept the viscosity constant and reduced the surface tension — the attractive force that holds liquid molecules together at the surface — by mixing in a common ingredient in detergent called sodium dodecyl benzene sulfonate (SDBS) .
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When cleaning products are thrown away or washed down the drain, the chemicals they contain, including things like benzene and formaldehyde, which are commonly found in air fresheners, ultimately end up in lakes, rivers and landfills.
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The Exxon settlement is expected to reduce releases of volatile organic compounds by more than 7,000 tons per year and reduce toxic air pollutants like benzene by more than 1,500 tons per year, Mr. Wood said.
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Some studies have suggested that electronics manufacturing workers, who are often exposed to chemicals such as benzene and lead that are known to have detrimental health impacts, experience elevated rates of certain cancers and other diseases.
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The U.S. sanctions imposed in November banned purchases of Iranian petrochemical products which include "any aromatic, olefin, and synthesis gas, and any of their derivatives, including ethylene, propylene, butadiene, benzene, toluene, xylene, ammonia, methanol, and urea".
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Hundreds of people showed up Friday to be checked at a medical clinic in Deer Park after air monitors a day earlier showed a spike in benzene, a cancer-causing chemical contained in the tanks of gasoline.
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Last month, Governor Yuriko Koike ordered a delay in moving Tsukiji market, a popular tourist destination, because of concerns about the cleanup of toxic pollution, including unsafe levels of cancer-causing benzene, at its proposed new home.
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Unaltered pothos plants did break down chloroform and benzene to clean the air, but the researchers found that the modified plant did so far more efficiently -- making it more useful as a potential filter in the home.
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And afterward, the benzene levels stayed high even after the explosion: Weeks after the plant blew up, a monitor across an expressway from schools and hundreds of homes was still picking up high levels of the chemical.
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Philadelphia Energy Solutions delayed a planned shutdown of a 50,000-bpd hydrotreater and a benzene unit at the Girard Point section of the Philadelphia refinery complex due to severe weather conditions, a source told Reuters on Wednesday.
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But by the dawn of the modern dry cleaning era, the 1820s, most cleaners used materials like benzene, kerosene, petroleum, and turpentine, which did a fair job of pulling out stains but were blatantly toxic, and often flammable.
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The emissions can cause myriad health problems, and include gases such as nitrogen oxides, which cause smog and can bring breathing troubles associated with it, as well as hydrocarbons that are toxic even in small quantities, like benzene.
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UNDERCUTTING MARKET The U.S. sanctions imposed in November banned purchases of Iranian petrochemical products which include "any aromatic, olefin, and synthesis gas, and any of their derivatives, including ethylene, propylene, butadiene, benzene, toluene, xylene, ammonia, methanol, and urea".
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Public health officials blamed the odorant for many of the symptoms residents complained about, though they said they don't expect long-term illnesses from the gas, which is mostly methane, or trace elements such as cancer-causing benzene.
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Officials have not disclosed a cause of the blast, but one worker told Caixin, a Chinese business news outlet, that a tanker truck carrying natural gas had caught fire, setting off an explosion in a benzene storage area.
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Many in the medical community, including the doctor who treated her mother, theorize MDS may be caused by exposure to chemicals like benzene, which is present in many traditional cleaning products, as well as gasoline, soda cans, and cigarettes.
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The environmental protection bureau in the area said an emergency plan to remove and treat toxic wastewater from a river close to the blast site was underway, with surface water concentrations of dangerous chemicals such as benzene exceeding standards.
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BANGKOK, March 3 (Reuters) - Thai Oil Pcl, Thailand's top oil refiner, said on Thursday it had started operations at the country's first linear alkyl benzene (LAB) plant in late February and that it should help boost margins this year.
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Found in crude oil, gasoline and cigarette smoke, benzene can cause anemia by preventing bone marrow from producing enough red blood cells, and can also damage the immune system, according to the Centre for Disease Control and Prevention (CDCP).
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High levels of the carcinogen benzene were detected in a Houston neighborhood close to a Valero Energy refinery, local health officials said Tuesday, heightening concerns over potentially hazardous leaks from oil and gas industry sites damaged by Hurricane Harvey.
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Late last year, the Colorado Department of Public Health and Environment published a study that said benzene and other chemicals used in oil and gas development could cause negative health impacts to people as far as 2,000 feet away.
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A human health and safety buffer is the only solution that will protect communities from the toxic air emissions associated with oil drilling, including hydrocarbons like benzene that are most dangerous and potent up to half a mile away.
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As someone who has survived kidney cancer — my oncologist vaguely explained it was "one of those environmental cancers" — I can promise you these aren't things we want to breathe: probable carcinogens like cadmium, arsenic, benzene and formaldehyde, among others.
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"If allowed to happen, approximately 7,500 migrant children will be detained in an area contaminated with lead, arsenic, benzene, PFAS, and myriad other harmful chemicals associated with increased risk of cancer and permanent neurodevelopmental damage," the Earthjustice report said.
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Inner-city traffic, closer proximity to polluting factories, and substandard housing have often left poorer neighborhoods (often primarily populated by people of color) more exposed to air-borne pollutants such as carbon monoxide and dioxide, benzene, and sulfur dioxide.
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On Thursday, however, residents of Deer Park and nearby Galena Park, both just east of Houston, were told to shelter in place for about eight hours after reports of high levels of benzene or other volatile organic compounds were detected.
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Under Section 123 of the Clean Air Act, the EPA is required to regulate facilities that emit one or more of 189 hazardous air toxics like benzene, dioxin, and lead that cause health problems such as cancer and birth defects.
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Michael Jerrett, chair of the environmental health sciences department at the University of California, Los Angeles, conducted several studies in March 2015, after the leak was fixed, and found the toxic chemical compounds hexane and benzene inside two Porter Ranch homes.
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After a fire caused a dike at the facility to break, "large (and still unknown) quantities" of toxic chemicals, xylene and benzene, spilled into a nearby waterway for five days, Harris County District Attorney Kim Ogg said in a statement.
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The City of Deer Park, 20 miles (32 km) east of Houston, had issued a morning shelter-in-place advisory to its 34,000 residents after reports of high levels of benzene or other volatile organic compounds (VOCs) within city limits.
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They found 377 chemical compounds in the smoke, including 20 that are known environmental toxins, such as carbon monoxide, and 13 that are known or suspected to cause cancer, like benzene and toluene, according to a report in JAMA Dermatology.
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A 7-mile (11-km) stretch of the channel was closed on Friday after chemicals, including benzene, were detected in the water, leading to a bottleneck of tankers unable to enter or exit a busy area of the Houston port.
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But three months of widespread, ongoing diesel generator use presents a different problem: Diesel exhaust, which "contains more than 40 toxic air contaminants, including many known or suspected cancer-causing substances, such as benzene, arsenic, and formaldehyde," according to one study.
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An inspection last year by the State Administration of Work Safety found 13 safety problems, including extensive leaks, a lack of safety training, "poor site management" and a shortage of operating procedures and technical specifications posted in the benzene tank area.
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"The JV will serve Saudi Aramco's Jazan Refinery and terminal at JEC, a megaproject that will process heavy and medium crude oil to create liquefied petroleum gas, sulfur, asphalt, benzene and paraxylene, and add 400,000 barrels per day of refining capacity," it added.
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Coke making is a hot and dirty business: At the plant, coal is baked in 10 metal "batteries" to around 2,000 degrees Fahrenheit, distilling chemicals such as benzene and toluene, 35 tons of sulfur, and 145,43 gallons of crude coal tar every day.
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Following a three-day blaze that consumed 11 storage tanks at ITC's facility, a containment wall breach spilled toxic chemicals xylene and benzene into the waterway that connects Houston to the Gulf of Mexico, halting traffic in the nation's busiest oil port.
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Port officials plan to send a small ship through the closed area on Sunday and then test it for benzene and volatile organic compounds, according to JJ Plunkett, port agent for Houston Pilots, whose members guide ships in and out of the channel.
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To test the plants' powers of purification, the team placed unaltered as well as altered plants in glass tubes containing either chloroform or benzene gas and left them for 11 days before measuring the concentration of gas in each of the tubes.
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Those at risk of coming in contact with cancer-causing substances on the job include:• aluminum workers• painters• tar pavers (who come in contact with the carcinogen benzene)• rubber manufacturers• hairdressers who deal with dyes daily• nail-salon workers breathing in dangerous fumes
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The NDRC's climate role was partly a legacy of veteran climate change official Xie Zhenhua, who joined it in 2007 after resigning from what was then the State Environmental Protection Administration, in the wake of a toxic benzene leak in northeastern China.
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The cause of the blast has not been confirmed, but one worker said a tanker truck carrying natural gas had caught fire, setting off an explosion in a benzene storage area, according to a report from Caixin, a Chinese business news outlet.
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DEER PARK, Texas (Reuters) - Hundreds of neighborhood residents of a petrochemical plant that burned for three days and briefly emitted cancer-causing benzene into the air brought their coughs, headaches and other symptoms to a mobile clinic on Friday set up by local health officials.
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When the plant was shut down during Harvey, it released 27771,8373 pounds of carbon monoxide, 7777,20311 pounds of nitrogen oxide, 2311,000 pounds of ethylene, 11,000 pounds of propane, and a couple thousand pounds of 1,3-butadiene, benzene, and butane, according to The New Republic.
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There's evidence that long-term exposure to high levels of some of the toxins Parisa found in snow can do a number on your health—Benzene, present in gasoline and cigarette smoke—can mess with your cell function, damage the immune system, and cause leukemia.
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The City of Deer Park, 20 miles (393 km) east of Houston, issued a shelter-in-place advisory to its 34,000 residents after reports of high levels of benzene or other volatile organic compounds (VOCs) within city limits, the municipality said on its website.
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The City of Deer Park, 20 miles (32 km) east of Houston, issued a shelter-in-place advisory to its 34,000 residents after reports of "action levels" of benzene or other volatile organic compounds (VOCs) within city limits, the municipality said on its website.
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The City of Deer Park, 20 miles (32 km) east of Houston, issued a shelter-in-place advisory to its 34,000 residents after reports of high levels of benzene or other volatile organic compounds (VOCs) within city limits, the municipality said on its website.
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A variety of toxins are allowed to be dumped at the Stebbings Road site by the company South Island Aggregates (SIA) including hydrocarbons, dioxins, furans, benzene (a carcinogen that causes leukemia and anemia), toluene (a solvent and neurotoxin particularly dangerous to children), and xylene.
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These reasonable safeguards were designed to limit the release of methane pollution during oil and gas or production and have an additional benefit of protecting communities from other harmful pollutants released alongside this potent gas, such as benzene and other smog-forming volatile organic compounds.
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EPA officials stressed the good news in their draft findings: that the majority of pollutants measured, including aluminum and selenium, dioxin-like chemicals and volatile chemicals like benzene, were detected at levels less than what the computer models used for historical permits had estimated.
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The China Petroleum and Chemical Industry Federation (CPCIF), China's oil industry lobbying group, plans to make a proposal by September on how to set benchmarks for the CO2 produced while manufacturing products ranging from diesel fuel to benzene, it said in its China Chemical Industry News newsletter.
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Intercontinental Terminals Company's "make-shift dike" broke after the fire, which sent "large (and still unknown) quantities of xylene and benzene, highly toxic chemicals, into Tucker Bayou, which flows directly into the Galveston Bay," according to a news release from Harris County District Attorney Kim Ogg.
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In order to frack, a company first must drill a vertical well, which it then pumps full of water mixed with dozens of different toxic chemicals that are known to be human carcinogens or regulated under the Safe Drinking Water Act, such as benzene or toluene.
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The largest, a look at 30,000 people by the National Institute for Occupational Safety and Health, acknowledged that urban firefighters may be exposed to carcinogens like formaldehyde, benzene and asbestos, and found that firefighters have higher rates of several types of cancers than the population as a whole.
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And in the lead-up to Harvey, refineries along the Gulf Coast burned off a lot of chemicals: Chevron's Baytown plant alone flared 766,000 pounds of various chemicals including carbon monoxide, nitrous oxide, and benzene — a known carcinogen — according its own filing with the Texas Commission on Environmental Quality.
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With its optimistic title — a quotation from a 1983 statement by Wojnarowicz and Mr. Bidlo in Benzene magazine avowing that a Pier 34 could pop up in any abandoned building — "Something Possible Everywhere" is a call to action for New York's artists, an invitation to trespass and collaborate.
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"Hobbled oil refineries and damaged fuel facilities along the Gulf Coast of Texas from Tropical storm Harvey have released more than two million pounds of dangerous chemicals into the air this week, adding new health threats to Houston's already considerable woes," including carcinogenic benzene and nitrogen oxide, they report.
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But by far the biggest health concern is the long-term increased risk of cancer in workers as well as those living and working within a mile of a fracking site or pipeline compressor station, due to exposure to emissions of well-known carcinogens such as benzene and formaldehyde.
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Spokesman David Gray said in an email late on Thursday that benzene and volatile organic chemicals that leaked into the air in Houston's Manchester neighborhood, whose residents reported powerful fumes in the days after the storm hit, probably came from a storage tank roof that partially collapsed on Aug. 27.
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Damaged refineries and other oil facilities have already released more than two million pounds of hazardous substances into the air this week, including nitrogen oxide as well as benzene and other volatile organic compounds, according to a tally by the Environmental Defense Fund of company filings to Texas state environmental regulators.
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In a statement (which supplied the exhibition with its title) published in the Fall-Winter 220-84 issue of the newsprint journal Benzene and reprinted in the show's catalogue, Wojnarowicz and Bidlo described what they found: There is no rent, no electricity, no running water, no dealers, no sales, no curatorial interferences.
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"It does happen a lot, but I think yesterday's was a little bit scarier because it was benzene and they sounded the alarms for a long time and people were freaking out a bit more than a usual spill," Vanessa Gray told VICE News of the frequent industrial hazard alerts her community experiences.
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The report details chemicals measured by a drone flown through the smoke clouds directly above the burn site over the course of two weeks last fall, and provides the first ever confirmation that significant levels of volatile organic chemicals, including acetone, benzene and toluene — all substances known to cause cancer — are widely prevalent.
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