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  2. Trichlorosilane - Wikipedia

    en.wikipedia.org/wiki/Trichlorosilane

    Trichlorosilane (TCS) is an inorganic compound with the formula HCl 3 Si. It is a colourless, volatile liquid. Purified trichlorosilane is the principal precursor to ultrapure silicon in the semiconductor industry. In water, it rapidly decomposes to produce a siloxane polymer while giving off hydrochloric acid.

  3. Effluent guidelines - Wikipedia

    en.wikipedia.org/wiki/Effluent_guidelines

    The United States Environmental Protection Agency (EPA) issues Effluent Guideline regulations for categories of industrial sources of water pollution under Title III of the Clean Water Act (CWA). [1] The standards are technology-based, i.e. they are based on the performance of treatment and control technologies (e.g., Best Available Technology ).

  4. Downcycling - Wikipedia

    en.wikipedia.org/wiki/Downcycling

    Downcycling symbol. Downcycling, or cascading, is the recycling of waste where the recycled material is of lower quality and functionality than the original material. [1] [2] Often, this is due to the accumulation of tramp elements in secondary metals, which may exclude the latter from high-quality applications.

  5. EPA sets the first limit on toxic ‘forever chemicals’ in ...

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  6. Local limit set for water used by Amazon, others. Amazon to ...

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    The estimated cost of expanding the St. Joseph Energy Center water plant is almost $21.4 million, plus $6.3 million to extend water lines, according to the water agreement that commissioners ...

  7. Fort Worth takes steps to limit forever chemicals in water as ...

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    The 2024 Water Conservation Plan, approved moments earlier, detailed a roster of programs and regulations to limit consumption, not just contamination. (The Texas Commission on Environmental ...

  8. California sets long-awaited drinking water limit for 'Erin ...

    lite.aol.com/pf/story/0001/20240417/c5cb...

    The new limit will cost public water systems $483,446 to $172.6 million annually to monitor and treat water exceeding the standard, according to state water board estimates. Cástulo Estrada, board vice president of the Coachella Valley Water District and utilities manager for Coachella city, said the limit would have “unprecedented ...

  9. Effluent limitation - Wikipedia

    en.wikipedia.org/wiki/Effluent_limitation

    An effluent limitation is a United States Clean Water Act standard of performance reflecting a specified level of discharge reduction achievable by the best available technology or related standards for various sources of water pollution.