Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Riverdale Subdivision

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND10ND
2020ND20ND
2021ND10ND
2022ND10ND
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
2018-02-2138859101-VOCND
2018-05-1639301001ND
2018-08-2240588001-VOCND
2018-11-1941796901-VOCND
2019-02-2743169501-VOCND
2020-02-1748249101ND
2020-12-2253331101ND
2021-02-0953345401ND
2022-02-2857715901ND