• Maximum contaminant levels (MCLs) are standards that are set by the United States Environmental Protection Agency (EPA) for drinking water quality. An...
    6 KB (623 words) - 18:24, 4 July 2024
  • Thumbnail for Methyl tert-butyl ether
    development of a national Maximum Contaminant Level (MCL) standard in drinking water. The agency listed MTBE on its Contaminant Candidate List in 2022 but...
    23 KB (2,247 words) - 13:08, 13 May 2025
  • Thumbnail for Hexavalent chromium
    States Environmental Protection Agency (EPA) does not have a Maximum Contaminant Level (MCL) for hexavalent chromium. Attempts have been made to test...
    66 KB (7,085 words) - 03:45, 20 May 2025
  • Thumbnail for Safe Drinking Water Act
    Techniques) and nonenforceable health goals (Maximum Contaminant Level Goals, or MCLGs) for each included contaminant. As of 2019 EPA has issued 88 standards...
    63 KB (6,823 words) - 20:17, 7 May 2025
  • Thumbnail for Perfluorobutanesulfonic acid
    Water Regulations (NPDWR) for six PFAS compounds, specifying a maximum contaminant level (MCL) of 2000 parts per trillion (ppt) for PFBS and a "hazard...
    10 KB (793 words) - 08:18, 16 May 2025
  • Thumbnail for Perfluorooctanoic acid
    Council Recommends Nation's Most Protective Maximum Contaminant Levels for Three Unregulated Contaminants in Drinking Water". Albany, NY: New York State...
    125 KB (13,081 words) - 15:45, 22 May 2025
  • is regulated by state and federal laws and codes, which set maximum contaminant levels (MCLs) and Treatment Technique requirements for some pollutants...
    64 KB (6,973 words) - 03:42, 21 April 2025
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    previously unregulated PFAS compounds including PFHxA which has a maximum contaminant level (MCL) of 400 parts per billion (ppb). Its placing on the market...
    5 KB (353 words) - 23:50, 25 March 2025
  • Detection limits Maximum contaminant level Pesticides QuEChERS – method for testing pesticide residues Canada, Health (2009-05-15). "Maximum Residue Limits...
    5 KB (671 words) - 00:18, 27 October 2023
  • Thumbnail for Water fluoridation by country
    fluoride levels from mineral deposits and industrial pollution exceed the new recommendation. As of 2021 the federal maximum contaminant level for fluoride...
    105 KB (11,248 words) - 11:06, 12 May 2025
  • Thumbnail for Benzene
    regulation is based on preventing benzene leukemogenesis. The maximum contaminant level goal (MCLG), a nonenforceable health goal that would allow an...
    91 KB (9,585 words) - 23:11, 22 May 2025
  • strictest drinking water standards in the country for PFAS, setting maximum contaminant levels (MCLs) for PFOA and PFOS to 8 and 16 ppt respectively (down from...
    161 KB (16,605 words) - 15:35, 22 May 2025
  • pollutants of a single contaminant. Pollutants that originate from a point source are given allowable levels of contaminants to be discharged; this is...
    12 KB (1,379 words) - 13:35, 30 October 2023
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    the "maximum contaminant level goal" for public water systems as zero, but because of the limitations of water treatment technologies, a level of 0.5...
    133 KB (14,621 words) - 19:41, 8 April 2025
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    100). The maximum concentrations of contaminants allowed by legislation are often well below toxicological tolerance levels, because such levels can often...
    24 KB (2,490 words) - 12:36, 23 April 2025
  • Additionally, there are a lack of regulations regarding the maximum contaminant levels (MCL) allowed in drinking water sources. Cyanotoxins can have...
    52 KB (5,369 words) - 23:04, 21 February 2025
  • Thumbnail for 1,2,3-Trichloropropane
    enforceable Maximum Contaminant Level (MCL) of 5 ng/L (parts per trillion). The state of Alaska has promulgated standards establishing cleanup levels for 1...
    14 KB (1,290 words) - 18:15, 9 May 2024
  • previously unregulated PFAS compounds including HFPO-DA which has a maximum contaminant level (MCL) of 370 parts per trillion (ppt). Two previously regulated...
    28 KB (2,929 words) - 02:52, 15 March 2025
  • Thumbnail for Alachlor
    slightly toxic. The Maximum Contaminant Level Goal (MCLG) for Alachlor is zero, to prevent long-term effects. The Maximum Contaminant Level (MCL) for drinking...
    11 KB (954 words) - 01:57, 20 February 2025
  • Thumbnail for Hinkley groundwater contamination
    ingested hexavalent chromium and cancer in July 2014, establishing a maximum contaminant level (MCL) for hexavalent chromium of 10 parts per billion (ppb). Hexavalent...
    42 KB (4,779 words) - 21:21, 8 January 2025
  • Thumbnail for National Ambient Air Quality Standards
    Michigan Department Of Environmental Quality, January 2004. What is an Air Contaminant Pollutant? Fact Sheet "National Ambient Air Quality Standards (NAAQS)...
    24 KB (2,534 words) - 20:54, 9 January 2025
  • Thumbnail for Water fluoridation in the United States
    water. The U.S. Environmental Protection Agency (EPA) published a maximum contaminant level (MCL) standard of 4.0 mg/L for fluoride, applicable to public...
    43 KB (5,162 words) - 21:32, 16 May 2025
  • Thumbnail for Grand Canyon
    Canyon region. At 95% of sites, maximum observed uranium concentrations were below the EPA's Maximum Contaminant Level for drinking water, 30 μg/L. At...
    137 KB (13,989 words) - 18:15, 14 May 2025
  • so. Public water systems in New Jersey are required to meet a maximum contaminant level (MCL) standard of 14 ppt. The state also set a PFOS standard at...
    18 KB (1,616 words) - 08:27, 16 May 2025
  • Thumbnail for 1,4-Dichlorobenzene
    States Environmental Protection Agency (EPA) has set a target maximum contaminant level of 75 micrograms of p-DCB per liter of drinking water (75 μg/L)...
    13 KB (988 words) - 19:47, 6 April 2025
  • Thumbnail for Atrazine
    Atrazine (section Levels)
    in rats. The 4-hour inhalation LC50 is 5.2 mg/L in rats." The maximum contaminant level is 0.003 mg/L and the reference dose is 0.035 mg/kg/day. A September...
    48 KB (4,906 words) - 10:19, 8 April 2025
  • Thumbnail for Perfluorohexanesulfonic acid
    for 5 previously unregulated PFASs including PFHxS, setting a maximum contaminant level (MCL) of 51 parts per trillion (ppt) or 0.051 μg/L. Perfluorooctanesulfonic...
    19 KB (2,050 words) - 23:50, 15 May 2025
  • Thumbnail for Radium
    Agency-defined Maximum Contaminant Level for radium is 5 pCi/L for drinking water; at the time of the Manhattan Project in the 1940s, the "tolerance level" for...
    80 KB (8,533 words) - 22:47, 22 May 2025
  • category require the maximum degree of emission reduction that the EPA determines to be achievable, which is known as the Maximum Achievable Control Technology...
    15 KB (767 words) - 23:18, 3 February 2025
  • Thumbnail for Coal combustion products
    waste-to-energy facility to produce electricity, the ash may contain higher levels of contaminants than coal ash. In that case the ash produced is often classified...
    64 KB (7,374 words) - 11:56, 27 April 2025