Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Gurdon Waterworks

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

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND60ND
2020ND30ND
2021ND20ND
2022ND30ND
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
2018-01-2218025000709ND
2019-01-2319024002101ND
2019-01-2319024002009ND
2019-04-3019122001708ND
2019-08-0619220001809ND
2019-09-0319248000101ND
2019-11-1819324000209ND
2020-02-0420037002101ND
2020-02-0420037002201ND
2020-02-0420037002001ND
2021-02-0921041002401ND
2021-02-0921041002108ND
2022-01-1022013000101ND
2022-01-1122013002609ND
2022-10-03O202442-VOC-1ND