1,1,1-Trichloroethane
City of Caldwell
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.
26
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 | 3 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 13 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 7 | 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 |
|---|---|---|
| 2014-06-18 | V1422594 | ND |
| 2014-09-29 | V1438512 | ND |
| 2014-11-13 | V1445335 | ND |
| 2015-03-10 | V1509143 | ND |
| 2015-05-06 | V1517379 | ND |
| 2015-09-24 | V1541055 | ND |
| 2016-10-12 | V1647131 | ND |
| 2016-10-12 | V1647132 | ND |
| 2016-10-12 | V1647133 | ND |
| 2016-10-12 | V1647134 | ND |
| 2016-10-12 | V1647135 | ND |
| 2016-10-13 | V1647137 | ND |
| 2016-10-13 | V1647136 | ND |
| 2016-10-13 | V1647138 | ND |
| 2016-10-13 | V1647139 | ND |
| 2016-10-13 | V1647140 | ND |
| 2016-10-13 | V1647141 | ND |
| 2016-10-13 | V1647142 | ND |
| 2016-10-19 | V1647952 | ND |
| 2019-08-06 | V1938597 | ND |
| 2019-08-06 | V1938594 | ND |
| 2019-08-19 | V1941179 | ND |
| 2019-08-19 | V1941177 | ND |
| 2019-08-19 | V1941174 | ND |
| 2019-08-19 | V1941183 | ND |
| 2019-08-19 | V1941181 | ND |