Know Your Environment. Protect Your Health.

Toluene

Jennie Clarkson Home

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.

 

16

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
2020ND50ND
2021ND30ND
2022ND30ND
20239.20 ppb51ND - 46.0 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
2020-04-13AW06907-POCSND
2020-11-24AW22610-POCSND
2020-11-24AW22612-POCSND
2020-12-02420184511-POCSND
2020-12-02420184513-POCSND
2021-02-08AX02628-POCSND
2021-07-20AX14326-POCSND
2021-07-20AX14328-POCSND
2022-01-19AY01118-POCSND
2022-08-23AY14972-POCSND
2022-08-23AY14974-POCSND
2023-01-23AZ01381-POCSND
2023-09-19AZ17305-POCSND
2023-09-19AZ17307-POCSND
2023-10-19CP29905-POCSND
2023-11-28CP56007-POCS46.0 ppb