Hexachlorobutadiene
City of West Richland
NOTE: City of West Richland purchases water from City of Richland which is required to test for hexachlorobutadiene. Sample information shown below was taken by City of Richland.
Hexachlorobutadiene is an industrial chemical and possible human carcinogen.
42
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 | ND | 3 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 11 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 5 | 0 | ND |
ppb = parts per billion
All test results
NOTE: City of West Richland purchases water from City of Richland which is required to test for hexachlorobutadiene. Sample information shown below was taken by City of Richland.
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-05 | ND | |
| 2019-03-08 | ND | |
| 2019-04-11 | ND | |
| 2019-05-09 | ND | |
| 2019-06-06 | ND | |
| 2019-07-11 | ND | |
| 2019-08-08 | ND | |
| 2019-09-12 | ND | |
| 2019-09-18 | ND | |
| 2019-10-10 | ND | |
| 2019-11-07 | ND | |
| 2019-12-12 | ND | |
| 2019-12-13 | ND | |
| 2021-01-21 | 4070629 | ND |
| 2021-02-12 | 4076883 | ND |
| 2021-03-11 | 4087469 | ND |
| 2021-05-18 | 4118748 | ND |
| 2021-05-18 | 4118749 | ND |
| 2021-07-08 | 4142812 | ND |
| 2021-08-19 | 4169230 | ND |
| 2021-09-09 | 4178932 | ND |
| 2021-10-13 | 4194903 | ND |
| 2021-11-17 | 4208636 | ND |
| 2021-12-08 | 4216629 | ND |
| 2022-01-12 | 4233604 | ND |
| 2022-02-09 | 4241715 | ND |
| 2022-03-09 | 4258463 | ND |
| 2022-04-14 | 4272582 | ND |
| 2022-05-11 | 4279794 | ND |
| 2022-06-08 | 4296744 | ND |
| 2022-07-13 | 4315945 | ND |
| 2022-08-10 | 4330297 | ND |
| 2022-09-14 | 4365601 | ND |
| 2022-10-13 | 4361675 | ND |
| 2022-10-13 | 4361676 | ND |
| 2022-11-09 | 4381443 | ND |
| 2022-12-14 | 4392465 | ND |
| 2023-01-11 | 4399229 | ND |
| 2023-03-08 | 4426940 | ND |
| 2023-04-12 | 4443144 | ND |
| 2023-05-10 | 4452809 | ND |
| 2023-06-20 | 4482853 | ND |