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  2. Advanced oxidation process - Wikipedia

    en.wikipedia.org/wiki/Advanced_oxidation_process

    The AOP procedure is particularly useful for cleaning biologically toxic or non-degradable materials such as aromatics, pesticides, petroleum constituents, and volatile organic compounds in wastewater. [5] Additionally, AOPs can be used to treat effluent of secondary treated wastewater which is then called tertiary treatment. [6]

  3. VOC contamination of groundwater - Wikipedia

    en.wikipedia.org/wiki/VOC_contamination_of...

    In 1982, the Marine Corps discovered volatile organic compounds (VOCs) in several drinking water wells that fed into two of the eight water systems. The sources were traced to tetrachloroethylene (PCE) from a two dry cleaners – one on base, the other off the base and trichloroethylene which had been used in vehicle maintenance on the base ...

  4. VOC BioTreat - Wikipedia

    en.wikipedia.org/wiki/VOC_BioTreat

    VOC BioTreat™ is a U.S. patent pending technology for Ramboll Environ. This technology allows for the removal and chemical degradation of volatile organic compounds (VOCs) by piping them into a deep-tank aerated activated sludge wastewater treatment plant, [1] which meets U.S. Environmental Protection Agency (EPA) standards for VOC and hazardous air pollutant removal and can be used for ...

  5. Air stripping - Wikipedia

    en.wikipedia.org/wiki/Air_stripping

    This process is known as volatization or air stripping. Water is deposited into the system through the top and air is ventilated in through the bottom. Water that reaches the bottom of the system is typically considered treated, but additional testing may be done to determine if it is safe for consumption. [1]

  6. Toxicity characteristic leaching procedure - Wikipedia

    en.wikipedia.org/wiki/Toxicity_characteristic...

    The testing methodology is used to determine if a waste is characteristically hazardous, i.e., classified as one of the "D" listed wastes by the U.S. Environmental Protection Agency (EPA). The extract is analyzed for substances appropriate to the protocol. List of "D" wastes published by US EPA

  7. Project 2025’s Plan to Eliminate Public Schools Has Already ...

    www.aol.com/news/project-2025-plan-eliminate...

    Local, state and federal governments must fully and equitably fund public schoolsschools obligated to take and educate everyone—and stop diverting money to a system of charter and private ...

  8. Texas school district will eliminate its libraries and turn ...

    www.aol.com/texas-school-district-eliminate...

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  9. Biofilter - Wikipedia

    en.wikipedia.org/wiki/Biofilter

    These biological treatment systems effectively reduce water-borne diseases, dissolved organic carbon, turbidity and color in surface water, thus improving overall water quality. Typically in drinking water treatment; granular activated carbon or sand filters are used to prevent re-growth of microorganisms in water distribution pipes by reducing ...

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