1,1,1-Trichloroethane
Medford Waterworks
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 11 | 0 | ND |
2015 | ND | 8 | 0 | ND |
2016 | ND | 7 | 0 | ND |
2017 | ND | 9 | 0 | ND |
2018 | ND | 9 | 0 | ND |
2019 | ND | 12 | 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 |
---|---|---|
2014-01-21 | 767181 | ND |
2014-01-21 | 767182 | ND |
2014-04-29 | 783005 | ND |
2014-04-29 | 783002 | ND |
2014-04-29 | 782999 | ND |
2014-04-30 | 783265 | ND |
2014-04-30 | 783269 | ND |
2014-09-17 | 819124 | ND |
2014-09-17 | 819122 | ND |
2014-12-03 | 834158 | ND |
2014-12-03 | 834157 | ND |
2015-03-02 | 845773 | ND |
2015-03-02 | 845772 | ND |
2015-06-23 | 867428 | ND |
2015-06-23 | 867430 | ND |
2015-09-15 | 883132 | ND |
2015-09-15 | 883133 | ND |
2015-10-28 | 891588 | ND |
2015-10-28 | 891587 | ND |
2016-01-25 | 902619 | ND |
2016-01-25 | 902620 | ND |
2016-04-27 | 918276 | ND |
2016-04-27 | 918278 | ND |
2016-08-08 | 937718 | ND |
2016-08-08 | 937719 | ND |
2016-11-02 | 957000 | ND |
2017-02-14 | 973713 | ND |
2017-05-16 | 990557 | ND |
2017-06-26 | 1000152 | ND |
2017-06-26 | 1000146 | ND |
2017-06-26 | 1000149 | ND |
2017-06-27 | 1000575 | ND |
2017-06-27 | 1000578 | ND |
2017-08-01 | 1008017 | ND |
2017-10-03 | 1022345 | ND |
2018-01-23 | 1038433 | ND |
2018-03-13 | 1044964 | ND |
2018-04-10 | 1049494 | ND |
2018-04-10 | 1049492 | ND |
2018-05-01 | 1052800 | ND |
2018-10-08 | 1085722 | ND |
2018-10-08 | 1085721 | ND |
2018-11-07 | 1091794 | ND |
2018-11-07 | 1091795 | ND |
2019-02-11 | 1104479 | ND |
2019-02-11 | 1104476 | ND |
2019-02-11 | 1104477 | ND |
2019-04-10 | 1114638 | ND |
2019-04-10 | 1114629 | ND |
2019-04-10 | 1114631 | ND |
2019-07-15 | 1134329 | ND |
2019-07-15 | 1134328 | ND |
2019-07-15 | 1134331 | ND |
2019-09-10 | 1146712 | ND |
2019-10-15 | 1155129 | ND |
2019-10-15 | 1155130 | ND |