Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Shady Harbor Fire District

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND10ND
2020ND10ND
2021ND40ND
2022ND10ND
2023ND10ND

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
2018-04-241801832-03_TO12ND
2018-04-241801832-01_TO12ND
2018-04-241801832-04_TO12ND
2018-04-241801832-02_TO12ND
2019-04-261901821-03_TO12ND
2020-04-292001792-04_TO12ND
2021-04-122101744-01_TO12ND
2021-04-122101744-02_TO12ND
2021-04-122101744-03_TO12ND
2021-04-122101744-04_TO12ND
2022-04-272201737-04_TO12ND
2023-04-252301874-04_TO12ND