alpha-Chlordane
City of Friendswood
The cancer-causing pesticide chlordane was banned in 1988. Chlordane is persistent and accumulates in the body. It is still found in the environment and in the bodies of adults and newborn babies.
14
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-20 | AC43948 | ND |
| 2014-02-20 | AC43949 | ND |
| 2014-03-20 | AC47856 | ND |
| 2015-02-05 | AC79543 | ND |
| 2015-05-19 | AC92691 | ND |
| 2015-05-19 | AC92692 | ND |
| 2015-05-19 | AC92693 | ND |
| 2016-02-04 | AD22263 | ND |
| 2017-01-19 | AD65886 | ND |
| 2018-01-29 | AE11109 | ND |
| 2018-05-21 | AE27093 | ND |
| 2018-05-21 | AE27094 | ND |
| 2018-09-17 | AE40331 | ND |
| 2019-02-04 | AE52755 | ND |