1,1,1-Trichloroethane
Terra Bella Irrigation District - Tbt
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.
24
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 | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 8 | 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 |
|---|---|---|
| 2014-05-07 | 5810-027-0930 | ND |
| 2014-05-19 | 5810-028-1150 | ND |
| 2016-02-05 | 5810-004-1150 | ND |
| 2016-08-25 | 5810-004-1220 | ND |
| 2017-09-06 | 5810-013-1230 | ND |
| 2017-09-06 | 5810-002-1205 | ND |
| 2017-09-06 | 5810-025-1315 | ND |
| 2017-09-06 | 5810-020-1155 | ND |
| 2017-09-06 | 5810-016-1149 | ND |
| 2017-09-06 | 5810-009-1215 | ND |
| 2017-09-06 | 5810-014-1251 | ND |
| 2017-09-07 | 5810-024-1120 | ND |
| 2018-09-24 | 5810-033-1510 | ND |
| 2018-09-24 | 5810-027-1445 | ND |
| 2018-12-27 | 5810-033-1230 | ND |
| 2018-12-27 | 5810-027-1250 | ND |
| 2019-02-26 | 5810-027-1318 | ND |
| 2019-02-26 | 5810-033-1300 | ND |
| 2019-05-10 | 5810-027-1310 | ND |
| 2019-05-10 | 5810-033-1328 | ND |
| 2019-08-29 | 5810-027-1340 | ND |
| 2019-08-29 | 5810-033-1328 | ND |
| 2019-11-21 | 5810-027-1338 | ND |
| 2019-11-21 | 5810-033-1315 | ND |