1,1,1-Trichloroethane
Middlesex Water System
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.
25
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 | 5 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | ND | 7 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-01-20 | 8715-012014-004V | ND |
| 2014-02-06 | 8715-020614-005V | ND |
| 2014-04-09 | 8715-040914-004V | ND |
| 2014-07-02 | 8715-070214-004V | ND |
| 2014-10-08 | 8715-100814-004V | ND |
| 2015-01-07 | ND | |
| 2015-03-12 | ND | |
| 2016-02-22 | 8715-022216-005V | ND |
| 2016-04-06 | 8715-040616-001V | ND |
| 2016-04-06 | 8715-040616-002V | ND |
| 2016-12-12 | 8715-121216-004V | ND |
| 2017-02-08 | 8715-020817-005V | ND |
| 2017-02-08 | 8715-020817-004V | ND |
| 2017-05-09 | 8715-050917-005V | ND |
| 2017-05-09 | 8715-050917-004V | ND |
| 2017-08-22 | 8715-082217-004V | ND |
| 2017-11-13 | 8715-111317-004V | ND |
| 2018-02-20 | 8715-022018-001V | ND |
| 2018-02-20 | 8715-022018-002V | ND |
| 2018-02-20 | 8715-022018-004V | ND |
| 2018-02-20 | 8715-022018-005V | ND |
| 2018-05-08 | 8715-050818-004V | ND |
| 2018-08-07 | 8715-080718-004V | ND |
| 2018-11-13 | 8715-111318-004V | ND |
| 2019-12-23 | 5971-19 | ND |