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EWG's Tap Water Database — 2019 UPDATE

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1,2,3-Trichloropropane

City of Chino Hills

1,2,3-Trichloropropane is a potent carcinogen that contaminates drinking water in agricultural regions where it was historically used as soil fumigant. Click here to read more about carcinogenic VOCs.

 

12

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20130.01000 ppb82ND - 0.0480 ppb
2014ND20ND
2015N/A00N/A
2016N/A00N/A
2017ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.0007 ppb

The EWG Health Guideline of 0.0007 ppb for 1,2,3-trichloropropane 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 cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2013-06-18B3F1931-050.0480 ppb
2013-06-18B3F1931-01ND
2013-06-18B3F1931-03ND
2013-09-24B3I2250-07ND
2013-09-24B3I2250-05ND
2013-12-16B3L1445-05ND
2013-12-16B3L1445-010.0320 ppb
2013-12-16B3L1445-03ND
2014-03-13B4C1347-01ND
2014-03-13B4C1347-03ND
2017-09-139588-024-1200ND
2017-09-149588-014-1410ND