Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

City of Castroville

1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 200 ppb

The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-28AE20664ND
2018-03-28AE20680ND
2019-06-18AE71110ND
2019-06-18AE71116ND
2020-01-28AE95679ND
2020-01-28AE95685ND
2021-06-28AF59673ND
2021-06-28AF59675ND
2022-02-08AF83711ND
2022-02-08AF83715ND
2023-03-28AG34417ND
2023-03-28AG34419ND