Metolachlor
City of Frost
Metolachlor is a herbicide applied on corn, soybeans and other crops. The EPA has classified metolachlor as a possible human carcinogen.
9
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 |
|---|---|---|---|---|
| 2018 | 0.500 ppb | 1 | 1 | 0.500 ppb |
| 2019 | 0.125 ppb | 4 | 2 | ND - 0.400 ppb |
| 2020 | 0.1000 ppb | 1 | 1 | 0.1000 ppb |
| 2021 | 0.1000 ppb | 1 | 1 | 0.1000 ppb |
| 2022 | 0.1000 ppb | 1 | 1 | 0.1000 ppb |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-17 | Q1828590001 | 0.500 ppb |
| 2019-02-06 | Q1905804001 | ND |
| 2019-04-18 | Q1915789002 | 0.1000 ppb |
| 2019-07-29 | Q1948666003 | 0.400 ppb |
| 2019-10-22 | Q1973212005 | ND |
| 2020-01-23 | Q2002753003 | 0.1000 ppb |
| 2021-09-16 | Q2125444001 | 0.1000 ppb |
| 2022-08-23 | Q2224991006 | 0.1000 ppb |
| 2023-03-22 | Q2310853004 | ND |