Know Your Environment. Protect Your Health.

Toluene

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Toluene is a volatile solvent that harms the nervous and immune systems, damages the liver and may increase the risk of miscarriage and birth defects. Read More.

Toluene is a petroleum-derived chemical found in gasoline and used as a solvent in paints, adhesives and cleaning supplies. Toluene is highly neurotoxic. Exposure can cause fatigue and nausea, and may lead to nervous system disorders.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 150 ppb

The EWG Health Guideline of 150 ppb for toluene 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): 1,000 ppb

The legal limit for toluene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-27AE08318ND
2018-06-14AE13735ND
2018-09-05AE17680ND
2018-11-14AE21351ND
2019-03-07AE26871ND
2019-05-06AE29805ND
2019-08-06AE34770ND
2019-11-13AE40149ND
2020-03-12AE46094ND
2020-05-27AE49082ND
2020-07-22AE51792ND
2020-11-30AE58081ND
2021-03-11AE62653ND
2021-06-16AE67542ND
2021-09-21AE72334ND
2021-11-30AE75646ND
2022-02-23AE79542ND
2022-06-01AE84526ND
2022-09-14AE89724ND
2022-11-29AE93463ND
2023-01-24AE95948ND
2023-04-18AF00390ND
2023-07-18AF05696ND
2023-10-17AF10285ND