1,1,1-Trichloroethane
North Park PWD
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 6 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 8 | 0 | ND |
2017 | ND | 7 | 0 | ND |
2018 | ND | 9 | 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 |
---|---|---|
2014-01-13 | 4012044-02 | ND |
2014-01-13 | 4012044-03 | ND |
2014-01-13 | 4012044-04 | ND |
2014-01-13 | 4012044-01 | ND |
2014-02-03 | 4020627-01 | ND |
2014-02-03 | 4020627-02 | ND |
2015-02-02 | 5020857-02 | ND |
2015-02-02 | 5020857-01 | ND |
2015-04-06 | 5041658-02 | ND |
2015-04-06 | 5041658-04 | ND |
2016-01-04 | 6011059-01 | ND |
2016-01-11 | 6012037-01 | ND |
2016-04-04 | 6041263-01 | ND |
2016-04-04 | 6041263-02 | ND |
2016-07-12 | 6072555-01 | ND |
2016-07-12 | 6072555-02 | ND |
2016-10-04 | 6101157-02 | ND |
2016-10-04 | 6101157-01 | ND |
2017-01-17 | 7012788-01 | ND |
2017-01-17 | 7012788-03 | ND |
2017-01-17 | 7012788-02 | ND |
2017-04-03 | 7041052-01 | ND |
2017-04-03 | 7041052-02 | ND |
2017-10-02 | 7100444-01 | ND |
2017-10-02 | 7100444-03 | ND |
2018-01-08 | 8011248-02 | ND |
2018-01-08 | 8011248-01 | ND |
2018-03-14 | 18C0365-01_02 | ND |
2018-05-07 | 8051445-02 | ND |
2018-05-07 | 8051445-04 | ND |
2018-08-06 | 8081292-01 | ND |
2018-08-06 | 8081292-03 | ND |
2018-11-05 | 8110950-01 | ND |
2018-11-05 | 8110950-02 | ND |
2019-01-22 | 9013510-01 | ND |
2019-01-22 | 9013510-02 | ND |
2019-04-08 | 9042183-01 | ND |
2019-04-08 | 9042183-02 | ND |
2019-07-08 | 9071708-01 | ND |
2019-07-08 | 9071708-02 | ND |
2019-12-18 | 9123770-02 | ND |
2019-12-18 | 9123770-01 | ND |