Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

State College Boro Water Auth.

1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND50ND
2021ND50ND
2022ND30ND
2023ND80ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 5 ppb

The EWG Health Guideline of 5 ppb for 1,2,4-trichlorobenzene 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 hormone disruption.

EPA Maximum Contaminant
Level (MCL): 70 ppb

The legal limit for 1,2,4-trichlorobenzene, established in 1992, was based on a toxicity study in laboratory animals conducted in 1981. This limit may not fully protect against hormone disruption.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-148B14177-01ND
2019-02-129B12139-01ND
2020-02-1221735594.00ND
2020-02-1221735593.00ND
2020-02-1221735592.00ND
2020-02-1221735591.00ND
2020-02-1221735590.00ND
2021-02-1623953990.00ND
2021-04-0724321964.00ND
2021-08-1625098831.00ND
2021-09-1325291234.00ND
2021-11-1525654880.00ND
2022-02-1526182280.00ND
2022-09-0127520783.00ND
2022-11-1627890860.00ND
2023-02-1428415050.00ND
2023-05-1628981571.00ND
2023-08-1429577810.00ND
2023-11-1330139892.00ND
2023-12-2030314230.00ND
2023-12-2030314293.00ND
2023-12-2030314251.00ND
2023-12-2030314272.00ND