1,2,3-Trichloropropane
City of South Pasadena
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | 0.0197 ppb | 3 | 2 | ND - 0.0400 ppb |
2017 | N/A | 0 | 0 | N/A |
2018 | 0.00866 ppb | 55 | 20 | ND - 0.0490 ppb |
2019 | 0.0147 ppb | 62 | 36 | ND - 0.0460 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 |
---|---|---|
2014-02-24 | 4B24023-01A | ND |
2014-09-30 | 4I30018-01A | ND |
2016-08-12 | 9588-002-1010 | ND |
2016-08-12 | 9588-005-0935 | 0.0190 ppb |
2016-08-12 | 9588-006-0955 | 0.0400 ppb |
2018-02-12 | 9588-005-0855 | 0.0210 ppb |
2018-02-12 | 9588-006-0845 | 0.0320 ppb |
2018-04-03 | 9590-005-0730 | ND |
2018-04-03 | 9590-006-0810 | ND |
2018-04-03 | 9590-008-0755 | ND |
2018-04-10 | 9590-007-0950 | ND |
2018-04-10 | 9590-008-0830 | ND |
2018-04-17 | 9590-008-1030 | ND |
2018-04-23 | 9590-008-0810 | ND |
2018-05-01 | 9590-005-0930 | ND |
2018-05-01 | 9590-006-0930 | ND |
2018-05-01 | 9590-008-0725 | ND |
2018-05-01 | 9590-017-0750 | ND |
2018-05-08 | 9590-008-0900 | ND |
2018-05-08 | 9590-017-0720 | ND |
2018-05-15 | 9590-008-1010 | ND |
2018-05-15 | 9590-017-0700 | ND |
2018-05-22 | 9590-008-1100 | ND |
2018-05-22 | 9590-017-0705 | ND |
2018-05-25 | 9588-005-0830 | ND |
2018-05-25 | 9588-006-0815 | ND |
2018-05-29 | 9590-008-0850 | ND |
2018-05-29 | 9590-017-0730 | ND |
2018-06-05 | 9590-005-0700 | ND |
2018-06-05 | 9590-006-0700 | ND |
2018-06-12 | 9590-008-0900 | 0.00580 ppb |
2018-06-19 | 9590-008-0845 | ND |
2018-06-25 | 9590-008-0820 | 0.00640 ppb |
2018-07-02 | 9590-005-0845 | 0.00840 ppb |
2018-07-02 | 9590-006-0900 | 0.0150 ppb |
2018-07-02 | 9590-008-0740 | 0.00690 ppb |
2018-07-17 | 9590-017-1200 | ND |
2018-08-07 | 9590-017-0700 | ND |
2018-08-14 | 9590-017-0700 | ND |
2018-08-21 | 5867-008-0900 | 0.0490 ppb |
2018-08-27 | 9588-005-0910 | 0.0290 ppb |
2018-08-27 | 9588-006-0900 | 0.0320 ppb |
2018-08-28 | 9590-017-0835 | ND |
2018-09-04 | 9590-005-1045 | 0.0250 ppb |
2018-09-04 | 9590-006-1045 | 0.0360 ppb |
2018-09-04 | 9590-008-0945 | 0.0240 ppb |
2018-09-04 | 9590-017-0740 | ND |
2018-09-18 | 9590-017-0705 | ND |
2018-09-25 | 9590-017-0700 | ND |
2018-10-02 | 9590-005-0845 | 0.0240 ppb |
2018-10-02 | 9590-006-0940 | 0.0300 ppb |
2018-10-02 | 9590-009-0810 | ND |
2018-10-02 | 9590-017-0715 | 0.00500 ppb |
2018-10-09 | 9590-008-0715 | 0.0220 ppb |
2018-10-09 | 9590-017-0810 | ND |
2018-10-30 | 9590-017-0700 | ND |
2018-11-06 | 9588-005-0840 | ND |
2018-11-06 | 9588-006-0825 | 0.0450 ppb |
2018-12-04 | 9590-006-0830 | 0.0320 ppb |
2018-12-26 | 9590-005-0830 | 0.0280 ppb |
2019-01-02 | 9590-005-0815 | 0.0270 ppb |
2019-01-02 | 9590-006-0920 | 0.0400 ppb |
2019-02-05 | 9590-005-0815 | 0.0290 ppb |
2019-02-05 | 9590-006-1100 | 0.0460 ppb |
2019-02-19 | 9588-005-0900 | 0.0250 ppb |
2019-02-19 | 9588-006-0850 | 0.0320 ppb |
2019-03-05 | 9590-005-0945 | 0.0290 ppb |
2019-03-05 | 9590-006-0830 | 0.0330 ppb |
2019-04-01 | 9590-005-0730 | 0.0200 ppb |
2019-04-01 | 9590-006-0945 | 0.0330 ppb |
2019-05-07 | 9590-005-0800 | 0.0260 ppb |
2019-05-07 | 9590-006-0900 | 0.0410 ppb |
2019-05-16 | 9588-005-0910 | 0.0220 ppb |
2019-05-16 | 9588-006-0915 | 0.0370 ppb |
2019-06-04 | 9590-005-0800 | 0.0240 ppb |
2019-06-04 | 9590-006-0900 | 0.0360 ppb |
2019-07-01 | 9590-005-0830 | 0.0210 ppb |
2019-07-01 | 9590-006-0830 | 0.0310 ppb |
2019-08-06 | 9590-005-0830 | 0.0240 ppb |
2019-08-06 | 9590-006-0830 | 0.0360 ppb |
2019-08-21 | 9588-005-0910 | 0.0200 ppb |
2019-08-21 | 9588-006-0900 | 0.0300 ppb |
2019-09-03 | 9590-005-0800 | 0.0220 ppb |
2019-09-03 | 9590-006-0815 | 0.0300 ppb |
2019-10-01 | 9590-005-0915 | 0.0200 ppb |
2019-10-01 | 9590-006-0915 | 0.0250 ppb |
2019-10-08 | 9590-034-0730 | ND |
2019-10-08 | 9590-035-0730 | ND |
2019-10-08 | 9590-036-0730 | ND |
2019-10-08 | 9590-038-0730 | ND |
2019-10-08 | 9590-047-0730 | 0.00560 ppb |
2019-11-05 | 9590-005-1000 | 0.0210 ppb |
2019-11-05 | 9590-006-1015 | 0.0240 ppb |
2019-11-06 | 9588-005-0910 | 0.0210 ppb |
2019-11-06 | 9588-006-0900 | 0.0230 ppb |
2019-12-03 | 9590-005-1000 | 0.0220 ppb |
2019-12-03 | 9590-006-1015 | 0.0210 ppb |
2019-12-03 | 9590-034-0820 | ND |
2019-12-03 | 9590-035-0800 | ND |
2019-12-03 | 9590-037-0810 | 0.00510 ppb |
2019-12-03 | 9590-038-0815 | ND |
2019-12-03 | 9590-040-0805 | ND |
2019-12-09 | 9590-034-1020 | ND |
2019-12-09 | 9590-035-1000 | ND |
2019-12-09 | 9590-037-1010 | ND |
2019-12-09 | 9590-038-1015 | ND |
2019-12-09 | 9590-040-1005 | ND |
2019-12-17 | 9590-034-1105 | ND |
2019-12-17 | 9590-035-1045 | ND |
2019-12-17 | 9590-038-1100 | ND |
2019-12-17 | 9590-040-1050 | ND |
2019-12-17 | 9590-041-1055 | ND |
2019-12-23 | 9590-034-1000 | ND |
2019-12-23 | 9590-035-1005 | ND |
2019-12-23 | 9590-038-1020 | ND |
2019-12-23 | 9590-040-1010 | ND |
2019-12-23 | 9590-041-1015 | ND |
2019-12-30 | 9590-034-1045 | ND |
2019-12-30 | 9590-035-1025 | 0.00740 ppb |
2019-12-30 | 9590-038-1040 | 0.00530 ppb |
2019-12-30 | 9590-040-1030 | ND |
2019-12-30 | 9590-041-1035 | ND |