Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

Mountain View Trailer Park

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

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND50ND
2023ND40ND

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
2018-04-0418040775-02AND
2018-04-0418040775-03AND
2019-04-0919D0536-04ND
2019-04-0919D0536-02ND
2020-04-0720D0342-08ND
2020-04-0720D0342-04ND
2021-05-2021E1098-01ND
2021-06-2221F1301-01ND
2022-04-2722D1552-01ND
2022-06-0222F0177-01ND
2022-09-2122I1232-02ND
2022-09-2922I1465-01ND
2022-12-0722L0571-01ND
2023-03-1423C0976-01ND
2023-06-1323F0798-02ND
2023-09-1823I1038-01ND
2023-12-1223L0810-01-1ND