Know Your Environment. Protect Your Health.

Toluene

Brent Utilities Board

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.

 

47

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND60ND
2020ND90ND
2021ND80ND
2022ND100ND
2023ND100ND

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
2018-01-291801290007-1ND
2018-04-30810430018-1ND
2018-09-2418090637-001AND
2018-10-3018100645-001AND
2019-01-2219010559-001AND
2019-04-2619040700-001AND
2019-07-2620114440001_IVOCND
2019-07-2620114443001_IVOCND
2019-10-0420124548001_IVOCND
2019-10-0420124549001_IVOCND
2020-03-0920145687004_IVOCND
2020-03-0920145687003_IVOCND
2020-03-0920145687002_IVOCND
2020-03-0920145687001_IVOCND
2020-05-1920155148001_IVOCND
2020-05-1920155148002_IVOCND
2020-07-0720161416002_IVOCND
2020-10-2720177359001_IVOCND
2020-10-2720177359002_IVOCND
2021-02-2535614541001_IVOCND
2021-02-2535614541002_IVOCND
2021-04-1935626991001_IVOCND
2021-04-1935626998001_IVOCND
2021-07-2735650493001ND
2021-07-2735650493002ND
2021-10-2235672325001_IVOCND
2021-10-2235672329001_IVOCND
2022-03-1035702618001_IVOCND
2022-03-1035703015002_IVOCND
2022-05-2335719603001_IVOCND
2022-05-2335719603002_IVOCND
2022-06-1335724366001_IVOCND
2022-06-1335724366002_IVOCND
2022-08-2635742678001_IVOCND
2022-08-2635742678002_IVOCND
2022-10-2435755187001_IVOCND
2022-10-2435755187002_IVOCND
2023-01-2435774467001_IVOCND
2023-01-2435774467002_IVOCND
2023-01-2435774467003_IVOCND
2023-01-2435774467004_IVOCND
2023-05-1935800886001_IVOCND
2023-05-1935800886002_IVOCND
2023-07-3135816711001_IVOCND
2023-07-3135816711002_IVOCND
2023-10-2035836003001_IVOCND
2023-10-2035836003002_IVOCND