Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Norwich Public Utilities

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

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND20ND
2022ND30ND
2023ND30ND

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
2018-09-18PH-0453-6304497VOC1ND
2018-09-18PH-0453-6304496VOC1ND
2018-10-03PH-0453-6304498VOC1ND
2019-08-29PH-0453-6305609VOC1ND
2019-08-29PH-0453-6305611VOC1ND
2019-09-16PH-0453-6305610VOC1ND
2020-07-09PH-0453-6306438VOC1ND
2020-07-09PH-0453-6306437VOC1ND
2020-07-09PH-0453-6306436VOC1ND
2021-06-07PH-0453-6307352VOC1ND
2021-06-23PH-0453-6307354VOC1ND
2022-01-18PH-0453-6307960VOC1ND
2022-02-03PH-0453-6307962VOC1ND
2022-11-29PH-0453-6307961VOC1ND
2023-11-14D3K1545-01VOCND
2023-11-14D3K1545-02VOCND
2023-11-14D3K1545-03VOCND