Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Washington Ridge C.c.

1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND10ND
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1 ppb

The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2018-06-06CA2910013_005_005-201806061000ND
2018-07-18CA2910013_005_005-201807180930ND
2018-11-27CA2910013_005_005-201811271000ND
2019-03-27CA2910013_003_003-201903270845ND
2019-03-27CA2910013_002_002-201903270830ND
2019-03-27CA2910013_005_005-201903270900ND
2020-06-16CA2910013_005_005-202006161330ND