Trihalomethanes definition

Trihalomethanes. (THM) means chemical compounds in which three of the four hydrogen atoms of methane (CH4) are replaced by halogen atoms. Trihalomethanes are environmental pollutants, and many are considered carcinogenic.
Trihalomethanes or “THMs" means one of the family of organic compounds, named as derivatives of methane, wherein three (3) of the four (4) hydrogen atoms in methane are each substituted by a halogen atom in the molecular structure.
Trihalomethanes means chemical compounds in which three of the four hydrogen atoms of methane (CH4) are replaced by halogen atoms.

Examples of Trihalomethanes in a sentence

  • On January 27, 2015, James Henry, Environmental Health Supervisor at the GCHD, sent a FOIA request to the City of Flint requesting “testing locations and laboratory results within the City of Flint public water system for Coliform, E-Coli, Heterotrophic Bacteria and Trihalomethanes from January 1, 2010 to January 27, 2015.

  • National Interim Primary Drinking Water Regulations; Control of Trihalomethanes in Drinking Water.

  • Trihalomethanes in public water supplies and adverse birth outcomes.

  • Total Trihalomethanes (TTHMs) and Haloacetic Acids (HAAs) are by-products of disinfection treatment with chlorine.

  • Trihalomethanes can be analyzed in drinking water samples using various techniques including static headspace, purge and trap, liquid-liquid extraction and direct aqueous injection49,50.

  • Organic Chemicals Other Than Total Trihalomethanes, Sampling and Analytical Requirements.

  • The analysis may include Total Organic Carbon, 5-day Biochemical Oxygen Demand (BOD5), Chemical Oxygen Demand (COD), Nitrate Nitrogen (NO3-N), Ammonia Nitrogen (NH3-N), Total Kjeldahl Nitrogen (TKN), pH, Chloride, Total Phosphorus, Phenol, Total Volatile Organic Compounds, Fecal Coliform, Calcium, Sodium, Magnesium, Sodium Adsorption Ratio (SAR), Total Trihalomethanes, Toxicity Test Parameters and Total Dissolved Solids.

  • The maximum LRAA for HAA5 in 2020 was 2 ppb (the MCL is 60 ppb).Total Trihalomethanes (TTHMs) are formed when chlorine combines with naturally occurring organic material in water.

  • In the event of a Maximum Contaminant Level (MCL) violation for Total Trihalomethanes (THMs) at the Town of Madison, the City of Eden or any wholesale customers of those systems, Duke Energy will within 14 days of the request provide the latest available bromide monitoring data that can be incorporated into required Public Notices issued by the public water system(s).

  • Trihalomethanes and haloacids are DBPs.Some DBPs may also have other sources GV Guideline valueMAV Maximum acceptable value MC-LR Microcystin-LRNTU Nephelometric turbidity unitPMAV Provisional MAV (because it is provisional in the WHO Guidelines (WHO 2017) or the WHO has no guideline value but the DWSNZ have retained a MAV or developed their own)STXeq Saxitoxin-equivalentTCU True colour unit.


More Definitions of Trihalomethanes

Trihalomethanes. (THM) means any one or all members of this class of organic compounds.

Related to Trihalomethanes

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  • snippet means with respect to any Material Contract, a consent and agreement in favor of the Term Loan Collateral Agent (for the benefit of the Secured Parties) in substantially the form attached hereto as Exhibit F or otherwise in form and substance reasonably satisfactory to the Term Loan Collateral Agent and the Administrative Agent.","hash":"b253905eac2329f4ce5deee359573d97","id":7},{"snippetLinks":[{"key":"the-consent","type":"clause","offset":[6,17]},{"key":"dated-as-of","type":"definition","offset": [32,43]},{"key":"march","type":"clause","offset":[44,49]},{"key":"the-bank","type":"clause","offset":[72,80]},{"key":"sumitomo","type":"definition","offset":[87,95]},{"key":"heavy","type":"clause","offset":[96,101]},{"key":"industries","type":"clause","offset":[102,112]},{"key":"ltd","type":"clause","offset":[114,117]},{"key":"solely-for-purposes-of- section","type":"clause","offset":[120,150]},{"key":"borrower-and","type":"clause","offset":[173,185]},{"key":"certain","type":"clause","offset":[186,193]},{"key":"subsidiaries","type":"clause","offset":[208,220]}],"samples":[{"uri":"/contracts/8I1kKDYnIWF#consent-and-agreement","label":"Loan and Security Agreement (Axcelis Technologies Inc)","score":21},{"uri":"/contracts/ef30eXHgcuS#consent-and-agreement","label":"Loan and Security Agreement (Axcelis Technologies Inc)","score":21},{"uri":"/contracts/dwF8yXcI2kh#consent-and-agreement","label":"Loan and Security Agreement (Axcelis Technologies Inc)","score":21}],"size":6,"snippet":"means the Consent and Agreement dated as of March 30, 2009 by and among the Bank, SEN, Sumitomo Heavy Industries, Ltd. (solely for purposes of Section 2(b) thereunder), the Borrower and certain of Borrower’s Subsidiaries named therein.","hash":"e15b2264efd3078b83ce802817c2631f","id":8},{"snippetLinks":[{"key":"a-consent","type":"clause","offset":[6,15]},

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