Know Your Environment. Protect Your Health.

1,2,4-Trichlorobenzene

East Cocalico Township

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

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND160ND
2021ND60ND
2022ND40ND
2023ND160ND

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
2018-04-278045051-02REND
2018-04-278045051-08ND
2018-04-278045051-11ND
2018-04-278045051-10ND
2019-04-299041601-06ND
2019-04-299041601-08ND
2019-04-299041601-09ND
2019-04-299041601-02ND
2020-05-0122369761.00ND
2020-05-0122369740.00ND
2020-05-0122369717.00ND
2020-05-0122369694.00ND
2020-05-0122369671.00ND
2020-05-0122369648.00ND
2020-05-0122369625.00ND
2020-05-0122369602.00ND
2020-05-0122369579.00ND
2020-05-0122369534.00ND
2020-05-0122369556.00ND
2020-05-1122369502.00ND
2020-09-2523142973.00ND
2020-10-2223322762.00ND
2020-10-2923322720.00ND
2020-11-2023497276.00ND
2021-03-1024203655.00ND
2021-04-0824393847.00ND
2021-04-0824393826.00ND
2021-04-0824393797.00ND
2021-04-0824393874.00ND
2021-07-1424979171.00ND
2022-04-0826607716.00ND
2022-04-0826607761.00ND
2022-04-0826607740.00ND
2022-04-0826607689.00ND
2023-01-1128310388.00ND
2023-01-1128310361.00ND
2023-01-1128310433.00ND
2023-01-1128310412.00ND
2023-04-1228858472.00ND
2023-04-1228858474.00ND
2023-04-1228858471.00ND
2023-04-1228858473.00ND
2023-07-1229454828.00ND
2023-09-1329847883.00ND
2023-09-1329847885.00ND
2023-09-1329847888.00ND
2023-09-1329847886.00ND
2023-09-1329847887.00ND
2023-09-1329847884.00ND
2023-10-2530031825.00ND