Di(2-ethylhexyl) adipate
Patterson Water System
Di(2-ethylhexyl) adipate is used in PVC plastic, plastic wrap and other consumer products. It is released as a pollutant from industrial sources and sewage treatment plants. In studies of laboratory animals, di(2-ethylhexyl) adipate can harm fetal development.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 6 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 200 ppb
The EWG Health Guideline of 200 ppb for di(2-ethylhexyl) adipate 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): 400 ppb
The legal limit for di(2-ethylhexyl) adipate, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-03 | 35390207001 | ND |
| 2018-05-03 | 35390207001 | ND |
| 2018-07-09 | 35403035001 | ND |
| 2018-07-09 | 35403035001 | ND |
| 2019-01-15 | 35442674001 | ND |
| 2019-01-15 | 35442674001 | ND |
| 2019-07-09 | 35480730001 | ND |
| 2019-07-09 | 35480730001 | ND |
| 2019-10-22 | 35507344001 | ND |
| 2019-10-22 | 35507344001 | ND |
| 2020-01-07 | 35522572001 | ND |
| 2020-01-07 | 35522572002 | ND |
| 2020-04-14 | 35544199001 | ND |
| 2020-09-28 | 35581278001 | ND |
| 2021-03-25 | 35621782001 | ND |
| 2021-11-30 | 35681445001 | ND |
| 2022-01-06 | 35688920001 | ND |
| 2022-07-28 | 35735506001 | ND |
| 2023-01-30 | 35776512001 | ND |
| 2023-10-09 | 35833383001 | ND |