1,1,1-Trichloroethane
South Montebello Irrigation District
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.
24
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 | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-05-23 | 2706-005-0930 | ND |
| 2014-08-22 | 2706-009-0925 | ND |
| 2014-08-22 | 2706-003-0910 | ND |
| 2014-12-22 | 2706-007-0845 | ND |
| 2015-05-26 | 2706-005-0940 | ND |
| 2015-09-24 | 2706-003-1010 | ND |
| 2015-09-24 | 2706-009-1037 | ND |
| 2015-11-24 | 2706-007-1023 | ND |
| 2016-05-25 | 9588-005-0925 | ND |
| 2016-08-25 | 9588-003-1000 | ND |
| 2016-08-25 | 9588-009-1020 | ND |
| 2016-11-22 | 9588-007-1030 | ND |
| 2017-05-25 | 9588-005-1030 | ND |
| 2017-08-30 | 9588-007-1035 | ND |
| 2017-08-30 | 9588-009-1155 | ND |
| 2017-08-30 | 9588-003-1050 | ND |
| 2018-05-29 | 9588-005-1040 | ND |
| 2018-08-15 | 9588-007-1115 | ND |
| 2018-08-15 | 9588-009-1025 | ND |
| 2018-08-15 | 9588-003-1100 | ND |
| 2019-05-02 | 9588-005-0915 | ND |
| 2019-08-05 | 9588-007-1050 | ND |
| 2019-08-05 | 9588-003-1025 | ND |
| 2019-08-15 | 9588-009-1140 | ND |