MTBE
Fairton Oaks M H Community
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 2.84 ppb | 1 | 1 | 2.84 ppb |
2015 | 2.95 ppb | 1 | 1 | 2.95 ppb |
2016 | 2.50 ppb | 1 | 1 | 2.50 ppb |
2017 | 2.10 ppb | 1 | 1 | 2.10 ppb |
2018 | 1.50 ppb | 1 | 1 | 1.50 ppb |
2019 | 0.760 ppb | 5 | 5 | 0.600 ppb - 0.900 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
---|---|---|
2014-04-15 | L4982987-1 | 2.84 ppb |
2015-04-02 | L5496866-1 | 2.95 ppb |
2016-04-11 | L6124725-1 | 2.50 ppb |
2017-04-18 | L6717905-1 | 2.10 ppb |
2018-06-01 | L7006464-1 | 1.50 ppb |
2019-04-22 | L7108915-1 | 0.900 ppb |
2019-04-22 | L7108915-2 | 0.900 ppb |
2019-08-20 | L7145015-1 | 0.700 ppb |
2019-08-20 | L7131844-1 | 0.600 ppb |
2019-11-05 | L7161765-1 | 0.700 ppb |