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  2. Bioremediation of polychlorinated biphenyls - Wikipedia

    en.wikipedia.org/wiki/Bioremediation_of...

    PCBs share the basic chemical structure of biphenyl and one or more of the hydrogen atoms on the aromatic rings are replaced by chlorine atoms. [1] PCBs is in viscous liquid form at normal temperature and has a poor solubility in water. The aromatic hydrocarbon structure gives PCBs relatively high molecular stability.

  3. Warren County PCB Landfill - Wikipedia

    en.wikipedia.org/wiki/Warren_County_PCB_Landfill

    Within a few months of burying the PCBs, EPA found significant PCB air emissions at the landfill and 1/2 mile away, but citizens did not learn about this report for another 15 years. The 60,000 tons of PCB-contaminated soil were buried within about 7 feet of groundwater. Warren County's first independent scientist, Dr. Charles Mulchi, had ...

  4. Polychlorinated biphenyl - Wikipedia

    en.wikipedia.org/wiki/Polychlorinated_biphenyl

    In 2008, concentrations as high as 35 ng/m 3, 10 times higher than the EPA guideline limit of 3.4 ng/m 3, have been documented inside some houses in the U.S. [31] Volatilization of PCBs in soil was thought to be the primary source of PCBs in the atmosphere, but research suggests ventilation of PCB-contaminated indoor air from buildings is the ...

  5. HAZMAT Class 6 Toxic and infectious substances - Wikipedia

    en.wikipedia.org/wiki/HAZMAT_Class_6_Toxic_and...

    Note 2: A liquid in Division 6.1 meeting criteria for Packing Group I, Hazard Zones A or B stated in paragraph (a)(2) of this section is a material poisonous by inhalation subject to the additional hazard communication requirements in 49CFR 172.203(m)(3), 49CFR 172.313 and Table 1 of 49CFR 172.504(e) of this subchapter.

  6. HAZMAT Class 9 Miscellaneous - Wikipedia

    en.wikipedia.org/wiki/HAZMAT_Class_9_Miscellaneous

    Any material that meets the definition in 49 CFR 171.8 for an elevated temperature material, a hazardous substance, a hazardous waste, or a marine pollutant. A new sub-class, class 9A, has been in effect since January 1, 2017. This is limited to the labeling of the transport of lithium batteries.

  7. Hazardous waste in the United States - Wikipedia

    en.wikipedia.org/wiki/Hazardous_waste_in_the...

    "In terms of hazardous waste, a landfill is defined as a disposal facility or part of a facility where hazardous waste is placed in or on land and which is not a pile, a land treatment facility, a surface impoundment, an underground injection well, a salt dome formation, a salt bed formation, an underground mine, a cave, or a corrective action ...

  8. Kalamazoo Superfund Site - Wikipedia

    en.wikipedia.org/wiki/Kalamazoo_Superfund_Site

    The EPA and companies responsible for the waste in this area, which includes a three-mile section of Portage Creek as well as part of the Kalamazoo River, into which it flows, are currently involved in an effort to reduce the amount of toxic waste at the site, which is contaminated by PCBs (polychlorinated biphenyls) from paper mills and other ...

  9. Globally Harmonized System of Classification and Labelling of ...

    en.wikipedia.org/wiki/Globally_Harmonized_System...

    The pictogram for harmful substances of the Globally Harmonized System of Classification and Labelling of Chemicals.. The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) is an internationally agreed-upon standard managed by the United Nations that was set up to replace the assortment of hazardous material classification and labelling schemes previously used around ...

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    is pcb contaminatedwhat causes pcb in soil
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