1,2,3-Trichloropropane
San Joaquin County-raymus Village
1,2,3-Trichloropropane is a potent carcinogen that contaminates drinking water in agricultural regions where it was historically used as soil fumigant. Click here to read more about carcinogenic VOCs.
16
Samples
0
Samples exceeding legal limit (MCL)
11
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | 0.00900 ppb | 2 | 1 | ND - 0.0180 ppb |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 0.00910 ppb | 10 | 7 | ND - 0.0200 ppb |
| 2019 | 0.00575 ppb | 4 | 3 | ND - 0.00900 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.0007 ppb
The EWG Health Guideline of 0.0007 ppb for 1,2,3-trichloropropane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-07-18 | 5867-001-1315 | 0.0180 ppb |
| 2016-07-18 | 5867-002-1255 | ND |
| 2018-03-20 | 5867-001-0910 | 0.0170 ppb |
| 2018-03-20 | 5867-002-0920 | 0.00700 ppb |
| 2018-04-06 | 5867-001-1210 | 0.0200 ppb |
| 2018-04-06 | 5867-002-1115 | 0.0150 ppb |
| 2018-06-11 | 5867-001-1400 | 0.0110 ppb |
| 2018-06-11 | 5867-002-1415 | ND |
| 2018-09-11 | 5867-001-1340 | 0.0110 ppb |
| 2018-09-11 | 5867-002-1400 | ND |
| 2018-12-11 | 5867-001-1030 | 0.01000 ppb |
| 2018-12-11 | 5867-002-1000 | ND |
| 2019-05-09 | 5867-001-1130 | 0.00700 ppb |
| 2019-06-11 | 5867-001-1310 | 0.00900 ppb |
| 2019-09-11 | 5867-001-1045 | 0.00700 ppb |
| 2019-12-03 | 5867-002-1335 | ND |