Metolachlor
City of Ottawa
Metolachlor is a herbicide applied on corn, soybeans and other crops. The EPA has classified metolachlor as a possible human carcinogen.
6
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 | 0.540 ppb | 1 | 1 | 0.540 ppb |
| 2015 | 0.540 ppb | 1 | 1 | 0.540 ppb |
| 2016 | 0.340 ppb | 1 | 1 | 0.340 ppb |
| 2017 | 0.940 ppb | 1 | 1 | 0.940 ppb |
| 2018 | 3.00 ppb | 1 | 1 | 3.00 ppb |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-06-17 | 133969 | 0.540 ppb |
| 2015-06-16 | 350179 | 0.540 ppb |
| 2016-06-13 | 562342 | 0.340 ppb |
| 2017-06-14 | 778213 | 0.940 ppb |
| 2018-06-13 | 987800 | 3.00 ppb |
| 2019-06-19 | 1188331 | ND |