1,1,1-Trichloroethane
Gray Water 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.
27
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 | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2014-03-31 | ND | |
| 2014-06-30 | ND | |
| 2014-09-30 | ND | |
| 2014-12-29 | ND | |
| 2015-03-31 | K001375001 | ND |
| 2015-06-29 | K012988001 | ND |
| 2015-09-30 | K026741001 | ND |
| 2015-12-31 | K042308001 | ND |
| 2016-03-31 | L001035001 | ND |
| 2016-06-30 | L012374001 | ND |
| 2016-09-22 | L027494001 | ND |
| 2016-12-30 | L042460001 | ND |
| 2017-03-16 | M001246001 | ND |
| 2017-04-18 | 1704126-01 | ND |
| 2017-05-02 | 1700081-01 | ND |
| 2017-09-14 | 1710838-01 | ND |
| 2017-11-14 | 1716829-01 | ND |
| 2018-01-18 | 1801019-01 | ND |
| 2018-04-05 | 1804067-01 | ND |
| 2018-04-10 | 1804-01052-001 | ND |
| 2018-09-19 | 1809-02456-001 | ND |
| 2018-10-19 | 1810-02580-001 | ND |
| 2019-01-11 | 1901-00958-002 | ND |
| 2019-04-16 | 1904-01907-001 | ND |
| 2019-04-23 | 1904-02647-001 | ND |
| 2019-07-10 | 1907-01178-001 | ND |
| 2019-10-16 | 1910-02077-001 | ND |