1,1,1-Trichloroethane
City of Baltimore
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.
17
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 | N/A | 0 | 0 | N/A |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 1 | 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 |
|---|---|---|
| 2014-02-04 | 0300002_01_TREAT | ND |
| 2014-02-11 | 0300002_02_TREAT | ND |
| 2014-02-12 | 0300002_02_TREAT | ND |
| 2016-05-05 | 0300002_TREATED_ | ND |
| 2016-05-10 | 0300002_TREATED_ | ND |
| 2016-05-16 | 0300002_TREATEDT | ND |
| 2017-04-06 | TREATED_A | ND |
| 2018-02-14 | E18002961001 | ND |
| 2018-05-14 | E18004097001 | ND |
| 2018-05-14 | E18004097004 | ND |
| 2018-09-17 | E19000965008 | ND |
| 2018-10-25 | E19001402004 | ND |
| 2019-05-09 | MONT13033376 | ND |
| 2019-05-09 | MONT23033376 | ND |
| 2019-05-10 | ASH3033376 | ND |
| 2019-05-21 | E19003945012 | ND |
| 2019-07-31 | E20000429004 | ND |