Know Your Environment. Protect Your Health.

1,1,2-Trichloroethane

City of Nampa

1,1,2-Trichloroethane is a volatile neurotoxic solvent used for manufacturing products such as plastic wrap and carpet backing. It causes liver tumors in animal studies. Read More.

The EPA classifies 1,1,2- trichloroethane as a possible human carcinogen. The California public health goal of 0.3 parts per billion, set to protect against cancer, is 16 times lower than the amount allowed by the federal government, which is a Maximum Contaminant Level of 5 parts per billion.

Click here to read more about carcinogenic VOCs.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND100ND
2019N/A00N/A
2020ND10ND
2021ND70ND
2022ND20ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.3 ppb

The EWG Health Guideline of 0.3 ppb for 1,1,2-trichloroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

EPA Maximum Contaminant
Level (MCL): 5 ppb

The legal limit for 1,1,2-trichloroethane, established in 1992, was based on analytical detection limits at the time that the standard was set. This limit may not fully protect against the risk of cancer due to 1,1,2-trichloroethane exposure.

ppb = parts per billion

All test results

Date Lab ID Result
2018-07-02V1830569ND
2018-10-08V1850013ND
2018-10-08V1850014ND
2018-10-08V1850015ND
2018-10-08V1850019ND
2018-10-08V1850023ND
2018-10-08V1850025ND
2018-10-08V1850027ND
2018-10-08V1850028ND
2018-10-08V1850109ND
2020-07-14V2033050ND
2021-02-08V2105829ND
2021-02-08V2105826ND
2021-02-08V2105828ND
2021-03-08V2110615ND
2021-03-08V2110611ND
2021-03-08V2110613ND
2021-11-09V2160872ND
2022-11-16V2256977ND
2022-11-18V2256985ND
2023-02-01V2302073-04ND
2023-05-10V2309050-02ND
2023-11-30V2325654-01ND
2023-12-21V2327316-01ND