1,1,1-Trichloroethane
Golden State Water Company - Arden Water Services
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.
15
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 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 9 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-01-14 | 2706-001-1150 | ND |
| 2014-01-14 | 2706-002-1111 | ND |
| 2014-01-14 | 2706-006-1223 | ND |
| 2014-01-14 | 2706-008-1303 | ND |
| 2014-10-14 | 2706-005-0946 | ND |
| 2017-02-16 | 9590-001-1220 | ND |
| 2017-02-28 | 9590-001-1147 | ND |
| 2017-02-28 | 9590-002-1234 | ND |
| 2017-02-28 | 9590-006-1018 | ND |
| 2017-02-28 | 9590-008-1100 | ND |
| 2017-03-14 | 9590-008-1056 | ND |
| 2017-07-11 | 9590-005-1311 | ND |
| 2017-09-12 | 9590-008-1037 | ND |
| 2017-12-05 | 9590-008-1055 | ND |
| 2018-02-28 | 9590-001-0840 | ND |