Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

Canisteo Village

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

 

6

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.60 ppb112.60 ppb
20192.40 ppb112.40 ppb
2020ND10ND
2021ND10ND
2022ND10ND
20231.20 ppb111.20 ppb

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
2018-06-1926439-SR-3POCS2.60 ppb
2019-04-231900022389-SR-2POCS2.40 ppb
2020-11-242019373-001POCSND
2021-08-1180891POCSND
2022-10-052216457-001POCSND
2023-10-042315239-001POC1.20 ppb