Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Walnut Grove Utilities

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

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND10ND
2022ND30ND
2023ND100ND

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
2021-09-077387721001AND
2022-10-26FWJ0181-01ND
2022-11-14FWJ0184ND
2022-11-15FWJ0191ND
2023-02-07FXB0061-01ND
2023-02-07FXB0070-01ND
2023-02-09FXB0077-01ND
2023-04-04FXC0510ND
2023-04-04FXC0539-01ND
2023-04-05FXC0546-01ND
2023-04-05FXC0561-01ND
2023-04-06FXC0504-01ND
2023-04-06FXD0264-01ND
2023-08-02FXF0580-01ND