1,1,1-Trichloroethane
Great Oaks Water Company Inc.
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.
48
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 | 0.187 ppb | 7 | 2 | ND - 0.730 ppb |
| 2015 | 0.750 ppb | 2 | 1 | ND - 1.50 ppb |
| 2016 | 0.127 ppb | 15 | 2 | ND - 1.40 ppb |
| 2017 | 0.251 ppb | 7 | 2 | ND - 0.960 ppb |
| 2018 | 0.885 ppb | 2 | 2 | 0.850 ppb - 0.920 ppb |
| 2019 | 0.124 ppb | 15 | 3 | ND - 0.700 ppb |
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 |
|---|---|---|
| 2014-03-27 | 9590-013-1030 | ND |
| 2014-05-15 | 9590-013-1115 | ND |
| 2014-08-25 | 9590-007-0855 | 0.730 ppb |
| 2014-08-25 | 9590-022-1505 | ND |
| 2014-08-25 | 9590-021-1545 | ND |
| 2014-08-25 | 9590-010-1035 | 0.580 ppb |
| 2014-08-27 | 9590-013-1230 | ND |
| 2015-09-22 | 9590-007-0850 | 1.50 ppb |
| 2015-09-22 | 9590-013-1000 | ND |
| 2016-05-25 | 9590-025-1415 | ND |
| 2016-08-22 | 9590-004-1230 | ND |
| 2016-08-22 | 9590-011-1325 | ND |
| 2016-08-22 | 9590-009-1410 | 0.510 ppb |
| 2016-08-24 | 9590-018-1315 | ND |
| 2016-08-24 | 9590-013-1230 | ND |
| 2016-08-24 | 9590-015-1450 | ND |
| 2016-08-24 | 9590-023-1405 | ND |
| 2016-08-25 | 9590-001-1205 | ND |
| 2016-08-25 | 9590-019-1350 | ND |
| 2016-08-25 | 9590-008-1255 | ND |
| 2016-08-25 | 9590-002-1435 | ND |
| 2016-09-06 | 9590-007-1400 | 1.40 ppb |
| 2016-09-28 | 9590-025-1400 | ND |
| 2016-11-02 | 9590-025-1115 | ND |
| 2017-03-08 | 9590-025-0930 | ND |
| 2017-04-13 | 9590-006-1000 | ND |
| 2017-06-01 | 9590-010-1030 | 0.800 ppb |
| 2017-08-30 | 9590-007-1030 | 0.960 ppb |
| 2017-08-30 | 9590-021-1510 | ND |
| 2017-08-31 | 9590-025-1440 | ND |
| 2017-08-31 | 9590-022-1515 | ND |
| 2018-08-29 | 9590-010-0930 | 0.920 ppb |
| 2018-08-30 | 9590-007-0930 | 0.850 ppb |
| 2019-08-28 | 9590-001-1420 | ND |
| 2019-08-28 | 9590-007-1120 | 0.510 ppb |
| 2019-08-28 | 9590-006-0920 | ND |
| 2019-08-28 | 9590-002-1030 | ND |
| 2019-08-29 | 9590-018-1000 | ND |
| 2019-08-29 | 9590-015-0850 | ND |
| 2019-08-29 | 9590-009-0745 | 0.650 ppb |
| 2019-08-29 | 9590-008-1410 | ND |
| 2019-08-29 | 9590-004-1310 | ND |
| 2019-09-05 | 9590-023-1400 | ND |
| 2019-09-05 | 9590-019-1145 | ND |
| 2019-09-05 | 9590-025-1250 | ND |
| 2019-09-12 | 9590-013-1430 | ND |
| 2019-09-12 | 9590-011-1300 | ND |
| 2019-09-12 | 9590-010-1145 | 0.700 ppb |