2,4,5-TP (Silvex)
Moore
2(2,4,5-trichlorophenoxy) propionic acid (2,4,5-TP or Silvex) is a cancer-causing herbicide banned in the U.S. in 1985 because of its toxicity. It is still detected as a groundwater contaminant in areas where it was sprayed or stored.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 100 | 0 | ND |
2019 | ND | 50 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 3 ppb
The EWG Health Guideline of 3 ppb for 2,4,5-TP 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 harm to internal organs.
EPA Maximum Contaminant
Level (MCL) 50 ppb
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2018-02-19 | AB20094-01 | ND |
2018-02-19 | AB20094-02 | ND |
2018-02-19 | AB20094-03 | ND |
2018-02-19 | AB20094-04 | ND |
2018-02-19 | AB20094-05 | ND |
2018-02-19 | AB20094-06 | ND |
2018-02-19 | AB20094-07 | ND |
2018-02-19 | AB20094-08 | ND |
2018-02-19 | AB20094-09 | ND |
2018-02-19 | AB20094-10 | ND |
2018-02-19 | AB20094-11 | ND |
2018-02-19 | AB20094-12 | ND |
2018-02-19 | AB20094-13 | ND |
2018-02-19 | AB20094-14 | ND |
2018-02-19 | AB20094-15 | ND |
2018-02-19 | AB20094-16 | ND |
2018-02-19 | AB20094-17 | ND |
2018-02-19 | AB20094-18 | ND |
2018-02-19 | AB20094-19 | ND |
2018-02-19 | AB20094-20 | ND |
2018-02-19 | AB20094-21 | ND |
2018-02-20 | AB21073-01 | ND |
2018-02-20 | AB21073-02 | ND |
2018-02-20 | AB21073-03 | ND |
2018-02-20 | AB21073-04 | ND |
2018-04-24 | AD24093-01 | ND |
2018-04-24 | AD24093-02 | ND |
2018-04-24 | AD24093-03 | ND |
2018-04-24 | AD24093-04 | ND |
2018-04-24 | AD24093-05 | ND |
2018-04-24 | AD24093-06 | ND |
2018-04-24 | AD24093-07 | ND |
2018-04-24 | AD26043-03 | ND |
2018-04-25 | AD26043-04 | ND |
2018-04-25 | AD26043-05 | ND |
2018-04-25 | AD26043-06 | ND |
2018-04-25 | AD26043-07 | ND |
2018-04-25 | AD26043-08 | ND |
2018-04-25 | AD26043-09 | ND |
2018-04-26 | AD27014-01 | ND |
2018-04-26 | AD27014-02 | ND |
2018-04-26 | AD27014-03 | ND |
2018-04-26 | AD27014-04 | ND |
2018-04-26 | AD27014-05 | ND |
2018-04-29 | AD30014-06 | ND |
2018-04-29 | AD30014-07 | ND |
2018-04-29 | AD30014-08 | ND |
2018-04-29 | AD30014-09 | ND |
2018-04-29 | AD30014-10 | ND |
2018-04-29 | AD30014-11 | ND |
2018-07-25 | AG25140-01 | ND |
2018-07-25 | AG25140-02 | ND |
2018-07-25 | AG25140-03 | ND |
2018-07-25 | AG25140-04 | ND |
2018-07-25 | AG25140-05 | ND |
2018-07-25 | AG25140-06 | ND |
2018-07-25 | AG25140-07 | ND |
2018-07-25 | AG25140-08 | ND |
2018-07-25 | AG25140-09 | ND |
2018-08-20 | AH21150-01 | ND |
2018-08-20 | AH21150-02 | ND |
2018-08-20 | AH21150-03 | ND |
2018-08-20 | AH21150-04 | ND |
2018-08-20 | AH21150-05 | ND |
2018-08-20 | AH21150-06 | ND |
2018-08-20 | AH21150-07 | ND |
2018-08-20 | AH21150-08 | ND |
2018-08-27 | AH28116-01 | ND |
2018-08-27 | AH28116-02 | ND |
2018-08-27 | AH28116-03 | ND |
2018-08-27 | AH28116-04 | ND |
2018-08-27 | AH28116-05 | ND |
2018-08-27 | AH28116-06 | ND |
2018-08-27 | AH28116-07 | ND |
2018-08-27 | AH28116-08 | ND |
2018-10-14 | AJ16032-01 | ND |
2018-10-14 | AJ16032-02 | ND |
2018-10-14 | AJ16032-03 | ND |
2018-10-14 | AJ16032-04 | ND |
2018-10-14 | AJ16032-05 | ND |
2018-10-14 | AJ16032-06 | ND |
2018-10-14 | AJ16032-07 | ND |
2018-10-14 | AJ16032-08 | ND |
2018-10-14 | AJ16032-09 | ND |
2018-10-21 | AJ23076-01 | ND |
2018-10-21 | AJ23076-02 | ND |
2018-10-21 | AJ23076-03 | ND |
2018-10-21 | AJ23076-04 | ND |
2018-10-21 | AJ23076-05 | ND |
2018-10-21 | AJ23076-06 | ND |
2018-10-21 | AJ23076-07 | ND |
2018-10-21 | AJ23076-08 | ND |
2018-10-29 | AJ30030-01 | ND |
2018-10-29 | AJ30030-02 | ND |
2018-10-29 | AJ30030-03 | ND |
2018-10-29 | AJ30030-04 | ND |
2018-10-29 | AJ30030-05 | ND |
2018-10-29 | AJ30030-06 | ND |
2018-10-29 | AJ30030-07 | ND |
2018-10-29 | AJ30030-08 | ND |
2019-02-24 | BB25002-01 | ND |
2019-02-24 | BB25002-02 | ND |
2019-02-24 | BB25002-03 | ND |
2019-02-24 | BB25002-04 | ND |
2019-02-24 | BB25002-05 | ND |
2019-02-24 | BB25002-06 | ND |
2019-02-24 | BB25002-07 | ND |
2019-02-24 | BB25002-08 | ND |
2019-02-24 | BB25002-09 | ND |
2019-02-24 | BB25002-10 | ND |
2019-02-24 | BB25002-11 | ND |
2019-02-24 | BB25002-12 | ND |
2019-04-07 | BD09110-01 | ND |
2019-04-07 | BD09110-02 | ND |
2019-04-07 | BD09110-03 | ND |
2019-04-07 | BD09110-04 | ND |
2019-04-07 | BD09110-05 | ND |
2019-04-07 | BD09110-06 | ND |
2019-04-14 | BD16116-01 | ND |
2019-04-14 | BD16116-02 | ND |
2019-04-14 | BD16116-03 | ND |
2019-04-14 | BD16116-04 | ND |
2019-04-14 | BD16116-05 | ND |
2019-04-14 | BD16116-06 | ND |
2019-04-14 | BD16116-07 | ND |
2019-08-12 | BH13170-01 | ND |
2019-08-12 | BH13170-02 | ND |
2019-08-12 | BH13170-03 | ND |
2019-08-12 | BH13170-04 | ND |
2019-08-13 | BH13170-05 | ND |
2019-08-13 | BH13170-06 | ND |
2019-08-19 | BH20149-04 | ND |
2019-08-19 | BH20149-05 | ND |
2019-08-19 | BH20149-06 | ND |
2019-08-20 | BH20149-01 | ND |
2019-08-20 | BH20149-02 | ND |
2019-08-20 | BH20149-03 | ND |
2019-10-29 | BJ29066-01 | ND |
2019-10-29 | BJ29066-02 | ND |
2019-10-29 | BJ29066-03 | ND |
2019-10-29 | BJ29066-04 | ND |
2019-10-29 | BJ29066-05 | ND |
2019-10-29 | BJ29066-06 | ND |
2019-11-04 | BK05138-01 | ND |
2019-11-04 | BK05138-02 | ND |
2019-11-04 | BK05138-03 | ND |
2019-11-04 | BK05138-04 | ND |
2019-11-04 | BK05138-05 | ND |
2019-11-04 | BK05138-06 | ND |
2019-11-04 | BK05138-07 | ND |