MTBE
Pleasant Ridge Mobile Home Park
MTBE was used as gasoline oxygenation additive to boost the octane number. In 2005, MTBE was replaced by ethanol as a gasoline additive. MTBE causes cancers in rats.
12
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 | 2 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 13 ppb
The EWG Health Guideline of 13 ppb for MTBE 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 cancer.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-20 | 1807F31-001A | ND |
| 2018-07-20 | 1807F31-002A | ND |
| 2019-02-28 | 1902I01-001A | ND |
| 2019-04-17 | 1904E36-001A | ND |
| 2019-09-13 | 1909B61-001A | ND |
| 2019-10-11 | 1910A81-001A | ND |
| 2020-08-28 | 2008P61-001A | ND |
| 2020-08-28 | 2008P61-003A | ND |
| 2021-09-08 | 2109729-001A | ND |
| 2021-09-08 | 2109729-002A | ND |
| 2023-08-03 | 2308422-001A | ND |
| 2023-08-03 | 2308422-002A | ND |