Know Your Environment. Protect Your Health.

Toluene

Swta - Main System

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.

 

35

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND50ND
2020ND70ND
2021ND50ND
2022ND50ND
2023ND70ND

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
2018-01-098012152-02ND
2018-04-108042613-02ND
2018-04-108042612-01ND
2018-04-108042612-02ND
2018-04-108042612-03ND
2018-04-108042612-04ND
2019-04-239044997-01ND
2019-04-239044997-02ND
2019-04-239044997-03ND
2019-04-239044997-04ND
2019-04-239044997-05ND
2020-04-1422080230.00ND
2020-04-1422080293.00ND
2020-04-1422080209.00ND
2020-04-1422080188.00ND
2020-04-1422080167.00ND
2020-04-1422080251.00ND
2020-04-1422080272.00ND
2021-04-0624301763.00ND
2021-04-0624301826.00ND
2021-04-0624301784.00ND
2021-04-0624301805.00ND
2021-04-0624301847.00ND
2022-05-3126899461.00ND
2022-05-3126899524.00ND
2022-05-3126899482.00ND
2022-05-3126899503.00ND
2022-05-3126899545.00ND
2023-04-0428761153.00ND
2023-04-0428761150.00ND
2023-04-0428761155.00ND
2023-04-0428761154.00ND
2023-04-0428761152.00ND
2023-04-0428761151.00ND
2023-12-1230296285.00ND