1,1,1-Trichloroethane
Morro Bay PW Department - Water Division
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.
16
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 8 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 8 | 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 |
|---|---|---|
| 2015-05-05 | 5867-005-0840 | ND |
| 2015-05-05 | 5867-006-0845 | ND |
| 2015-05-05 | 5867-016-1055 | ND |
| 2015-05-05 | 5867-019-0910 | ND |
| 2015-05-05 | 5867-020-0915 | ND |
| 2015-05-05 | 5867-030-0745 | ND |
| 2015-05-05 | 5867-031-0750 | ND |
| 2015-05-05 | 5867-032-0830 | ND |
| 2018-05-01 | 5867-005-0919 | ND |
| 2018-05-01 | 5867-006-0930 | ND |
| 2018-05-01 | 5867-016-1010 | ND |
| 2018-05-01 | 5867-019-0938 | ND |
| 2018-05-01 | 5867-020-0950 | ND |
| 2018-05-01 | 5867-030-0822 | ND |
| 2018-05-01 | 5867-031-0833 | ND |
| 2018-05-01 | 5867-032-0905 | ND |