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  2. Toxicity characteristic leaching procedure - Wikipedia

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

    Toxicity characteristic leaching procedure (TCLP) is a soil sample extraction method for chemical analysis employed as an analytical method to simulate leaching through a landfill. 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 ...

  3. Maximum acceptable toxicant concentration - Wikipedia

    en.wikipedia.org/wiki/Maximum_Acceptable...

    The US EPA is the governmental organization responsible for writing and enforcing environmental regulations passed by Congress. The Clean Water Act was passed in 1972. Section 304(a)(1) of the Clean Water Act is the Water Quality Criteria (WQC) developed for the protection of aquatic life and human health. [ 4 ]

  4. EPA Methods - Wikipedia

    en.wikipedia.org/wiki/EPA_Methods

    The methods in the Agency index are known as EPA Methods. [ 1 ] [ 2 ] There are other types of methods such as the ASTM and United States Pharmacopeia , but the EPA Methods are developed through a regulatory process involving public notice, comment and revision and are legally binding whereas ASTM methods are developed through a consensus ...

  5. Title 40 of the Code of Federal Regulations - Wikipedia

    en.wikipedia.org/wiki/Title_40_of_the_Code_of...

    Title 40 is a part of the United States Code of Federal Regulations.Title 40 arranges mainly environmental regulations that were promulgated by the US Environmental Protection Agency (EPA), based on the provisions of United States laws (statutes of the U.S. Federal Code).

  6. Toxicity class - Wikipedia

    en.wikipedia.org/wiki/Toxicity_class

    The United States Environmental Protection Agency (EPA) uses four toxicity classes in its toxicity category rating. Classes I to III are required to carry a signal word on the label. Pesticides are regulated in the United States primarily by the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA).

  7. Cadmium telluride - Wikipedia

    en.wikipedia.org/wiki/Cadmium_telluride

    An early form of CdTe for IR use was marketed under the trademarked name of Irtran-6, but this is obsolete. CdTe is also applied for electro-optic modulators . It has the greatest electro-optic coefficient of the linear electro-optic effect among II-VI compound crystals (r 41 =r 52 =r 63 =6.8×10 −12 m/V).

  8. Form 1040 - Wikipedia

    en.wikipedia.org/wiki/Form_1040

    Form 1040-X (officially, the "Amended U.S. Individual Tax Return") is used to make corrections on Form 1040, Form 1040A, and Form 1040EZ tax returns that have been previously filed (note: forms 1040-A and 1040-EZ were discontinued starting with tax year 2018, but a 1040X may still be filed amending one of these tax forms filed for previous years).

  9. Discharge Monitoring Report - Wikipedia

    en.wikipedia.org/wiki/Discharge_Monitoring_Report

    EPA houses DMR data in its Integrated Compliance Information System (ICIS). The NPDES e-reporting Tool Discharge Monitoring Report (NetDMR) is an EPA web-based tool that allows NPDES permittees to electronically sign and submit their discharge monitoring reports to EPA via a secure internet connection (NetDMR is the new tool that replaced the ...