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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

Perkasie Regional Authority

Trichlorofluoromethane (Freon 11) is a refrigerant, solvent and aerosol propellant banned in 2000 under the Montreal Protocol because of its ozone-depleting properties. Freons can cause heart, nervous system and liver damage.

 

43

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND110ND
2015ND110ND
2016ND110ND
2017ND100ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1,300 ppb

The EWG Health Guideline of 1,300 ppb for trichlorofluoromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-11L2515685-1ND
2014-03-11L2515685-2ND
2014-06-10L5101092-11ND
2014-06-10L5101092-12ND
2014-09-09L5170431-1ND
2014-09-09L5170431-5ND
2014-09-09L5170431-4ND
2014-09-09L5170431-2ND
2014-09-09L5170431-3ND
2014-12-09L5292845-2ND
2014-12-09L5292845-1ND
2015-03-1012501659ND
2015-03-1012501713ND
2015-06-0912867648ND
2015-06-0912867702ND
2015-09-0813250296ND
2015-09-0813250242ND
2015-09-0813250188ND
2015-09-0813250080ND
2015-09-0813250134ND
2015-12-0813619671ND
2015-12-0813619617ND
2016-03-0813972768ND
2016-03-0813972716ND
2016-06-0714389085ND
2016-06-0714389033ND
2016-09-1314889587ND
2016-09-1314889639ND
2016-09-1314889483ND
2016-09-1314889535ND
2016-09-1314889431ND
2016-12-0615356045ND
2016-12-0615355993ND
2017-03-0715780151ND
2017-03-0715780099ND
2017-06-0616240776ND
2017-06-0616240724ND
2017-09-0516710989ND
2017-09-0516710937ND
2017-09-0516710885ND
2017-09-0516711041ND
2017-12-0517146832ND
2017-12-0517146780ND