1,1,1-Trichloroethane
Perkasie Regional Authority
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.
57
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | 0.0455 ppb | 11 | 1 | ND - 0.500 ppb |
| 2015 | 0.1000 ppb | 11 | 1 | ND - 1.10 ppb |
| 2016 | ND | 11 | 0 | ND |
| 2017 | ND | 10 | 0 | ND |
| 2018 | ND | 7 | 0 | ND |
| 2019 | ND | 7 | 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 |
|---|---|---|
| 2014-03-11 | L2515685-1 | ND |
| 2014-03-11 | L2515685-2 | ND |
| 2014-06-10 | L5101092-11 | 0.500 ppb |
| 2014-06-10 | L5101092-12 | ND |
| 2014-09-09 | L5170431-1 | ND |
| 2014-09-09 | L5170431-3 | ND |
| 2014-09-09 | L5170431-5 | ND |
| 2014-09-09 | L5170431-2 | ND |
| 2014-09-09 | L5170431-4 | ND |
| 2014-12-09 | L5292845-1 | ND |
| 2014-12-09 | L5292845-2 | ND |
| 2015-03-10 | 12501692 | 1.10 ppb |
| 2015-03-10 | 12501746 | ND |
| 2015-06-09 | 12867681 | ND |
| 2015-06-09 | 12867735 | ND |
| 2015-09-08 | 13250113 | ND |
| 2015-09-08 | 13250221 | ND |
| 2015-09-08 | 13250167 | ND |
| 2015-09-08 | 13250275 | ND |
| 2015-09-08 | 13250329 | ND |
| 2015-12-08 | 13619650 | ND |
| 2015-12-08 | 13619704 | ND |
| 2016-03-08 | 13972800 | ND |
| 2016-03-08 | 13972748 | ND |
| 2016-06-07 | 14389117 | ND |
| 2016-06-07 | 14389065 | ND |
| 2016-09-13 | 14889463 | ND |
| 2016-09-13 | 14889619 | ND |
| 2016-09-13 | 14889567 | ND |
| 2016-09-13 | 14889671 | ND |
| 2016-09-13 | 14889515 | ND |
| 2016-12-06 | 15356025 | ND |
| 2016-12-06 | 15356077 | ND |
| 2017-03-07 | 15780131 | ND |
| 2017-03-07 | 15780183 | ND |
| 2017-06-06 | 16240756 | ND |
| 2017-06-06 | 16240808 | ND |
| 2017-09-05 | 16711073 | ND |
| 2017-09-05 | 16710969 | ND |
| 2017-09-05 | 16711021 | ND |
| 2017-09-05 | 16710917 | ND |
| 2017-12-05 | 17146812 | ND |
| 2017-12-05 | 17146864 | ND |
| 2018-03-06 | 8024485-02 | ND |
| 2018-06-04 | 8052857-02 | ND |
| 2018-09-04 | 8084662-02 | ND |
| 2018-09-17 | 8093548-03 | ND |
| 2018-09-17 | 8093548-02 | ND |
| 2018-09-17 | 8093548-01 | ND |
| 2018-12-03 | 8110453-02RE | ND |
| 2019-03-05 | 9023322-02 | ND |
| 2019-06-04 | 9053891-02 | ND |
| 2019-09-03 | 9084135-02 | ND |
| 2019-11-11 | 9111441-02 | ND |
| 2019-11-11 | 9111441-03 | ND |
| 2019-11-11 | 9111441-01 | ND |
| 2019-12-03 | 9113323-02 | ND |