1,1,1-Trichloroethane
Carmel Water Department
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.
11
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 5 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 4 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-02-10 | 2014020476RV-140 | ND |
| 2014-07-15 | 2014072011RV-140 | ND |
| 2014-07-15 | 2014072013RV-140 | ND |
| 2014-07-15 | 2014072015RV-140 | ND |
| 2014-07-15 | 2014072017RV-140 | ND |
| 2015-02-09 | 2015020398RV-150 | ND |
| 2017-01-18 | 2017011262RV-170 | ND |
| 2017-01-18 | 2017011263RV-170 | ND |
| 2017-01-18 | 2017011264RV-170 | ND |
| 2017-02-13 | 2017021036RV-170 | ND |
| 2019-03-14 | 2019031070RV-190 | ND |