Know Your Environment. Protect Your Health.

1,1,1,2-Tetrachloroethane

City of Zavalla

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

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND80ND
2020ND80ND
2021ND80ND
2022ND80ND
2023ND80ND

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
2018-02-12Q1805619003ND
2018-02-12Q1805619002ND
2018-05-17Q1820210003ND
2018-05-17Q1820210002ND
2018-08-15Q1832965003ND
2018-08-15Q1832965004ND
2018-12-03Q1849018002ND
2018-12-11Q1850895002ND
2019-02-11Q1906018001ND
2019-02-11Q1906018003ND
2019-04-29Q1917248002ND
2019-04-29Q1917248005ND
2019-08-21Q1957739003ND
2019-08-21Q1957739001ND
2019-11-05Q1975066001ND
2019-11-05Q1975066003ND
2020-01-22Q2002509006ND
2020-03-09Q2008888003ND
2020-04-08Q2014238001ND
2020-04-08Q2014238003ND
2020-07-14Q2027691001ND
2020-07-14Q2027691003ND
2020-10-07Q2039302001ND
2020-10-07Q2039302003ND
2021-01-12Q2100808004ND
2021-01-12Q2100808006ND
2021-04-08Q2109000003ND
2021-04-08Q2109000005ND
2021-07-28Q2119706001ND
2021-07-28Q2119706003ND
2021-10-05Q2127299001ND
2021-10-05Q2127299003ND
2022-01-05Q2200291013ND
2022-01-05Q2200291015ND
2022-04-05Q2210426001ND
2022-04-05Q2210426003ND
2022-07-08Q2219195002ND
2022-07-08Q2219195004ND
2022-10-04Q2229747001ND
2022-10-04Q2229747003ND
2023-01-09Q2300803004ND
2023-01-09Q2300803006ND
2023-05-15Q2318263003ND
2023-05-15Q2318263005ND
2023-08-07Q2332144003ND
2023-08-07Q2332144005ND
2023-10-10Q2343134001ND
2023-10-10Q2343134003ND