1,1,1-Trichloroethane
Palm Ranch Irrigation District
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 8 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2016-07-19 | 3761-001-0819 | ND |
| 2016-07-19 | 3761-002-0852 | ND |
| 2016-07-19 | 3761-007-0838 | ND |
| 2016-07-19 | 3761-013-0854 | ND |
| 2016-08-30 | 3761-001-0700 | ND |
| 2016-08-30 | 3761-002-0805 | ND |
| 2016-08-30 | 3761-004-0720 | ND |
| 2016-08-30 | 3761-007-0740 | ND |
| 2019-05-28 | 3761-001-0850 | ND |
| 2019-06-04 | 3761-002-0635 | ND |
| 2019-06-11 | 3761-007-0636 | ND |