Know Your Environment. Protect Your Health.

Toluene

Bryants Creek Subdivision

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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND40ND
2021N/A00N/A
2022N/A00N/A
20234.85 ppb2410ND - 106.0 ppb

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
2020-02-02AD60439ND
2020-02-02AD60441ND
2020-02-02AD60440ND
2020-02-02AD60438ND
2023-01-3122238480.510 ppb
2023-01-3122238490.580 ppb
2023-01-3122238500.580 ppb
2023-01-3122238510.600 ppb
2023-02-2223015040.520 ppb
2023-02-222301501ND
2023-02-222301502ND
2023-02-2223015030.530 ppb
2023-06-0523039712.58 ppb
2023-06-0523039742.10 ppb
2023-06-0523039722.50 ppb
2023-06-142310835106.0 ppb
2023-06-202310889ND
2023-06-202310888ND
2023-06-202310890ND
2023-06-202310891ND
2023-09-192312323ND
2023-09-192312324ND
2023-09-202312326ND
2023-09-202312325ND
2023-11-082317365ND
2023-11-082317367ND
2023-11-082317368ND
2023-11-082317366ND