Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Monson Water System

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND40ND
2020ND20ND
2021ND10ND
2022ND10ND
2023ND10ND

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
2019-03-29CA5403212_001_001-201903290920ND
2019-06-20CA5403212_001_001-201906201220ND
2019-09-06CA5403212_001_001-201909061145ND
2019-12-17CA5403212_001_001-201912171420ND
2020-03-06CA5403212_001_001-202003061310ND
2020-06-16CA5403212_001_001-202006161330ND
2021-09-28CA5403212_001_001-202109281115ND
2022-09-26CA5403212_001_001-202209261355ND
2023-09-11CA5403212_001_001-202309111230ND