Know Your Environment. Protect Your Health.

Chloromethane

Sawkill Trailer Park

Chloromethane is an industrial solvent, aerosol propellant and a refrigerant. It also forms as a byproduct of water disinfection. The EPA classifies chloromethane as possibly carcinogenic to humans.

 

27

Samples

0

Samples exceeding legal limit (MCL)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
20190.660 ppb52ND - 2.60 ppb
20204.16 ppb552.38 ppb - 5.94 ppb
20211.70 ppb32ND - 3.48 ppb
20225.21 ppb663.30 ppb - 7.30 ppb
20233.72 ppb43ND - 6.71 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 2.69 ppb

The EWG Health Guideline of 2.69 ppb for chloromethane was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-31SK180639ND
2018-06-27SM181259ND
2018-09-30SA182364ND
2018-12-31SM190020ND
2019-03-31SM1908180.700 ppb
2019-06-30BK1915342.60 ppb
2019-09-2910021998CND
2019-11-12EHS1900056697-01-ABND
2019-11-12EHS1900056697-01-POCND
2020-03-31040820382.38 ppb
2020-06-3007012064A3.05 ppb
2020-09-3009302018N5.94 ppb
2020-09-30093020185.94 ppb
2020-12-29123020133.50 ppb
2021-03-31040721391.62 ppb
2021-06-30063021943.48 ppb
2021-12-3101052259ND
2022-03-07EHS2200011902-SR-2P3.30 ppb
2022-03-3003302225F4.29 ppb
2022-06-30070622944.90 ppb
2022-09-30100522615.19 ppb
2022-11-16111622397.30 ppb
2022-12-31010423696.26 ppb
2023-03-0103012347BND
2023-06-30070523576.64 ppb
2023-09-20092023226.71 ppb
2023-11-2911292317B1.52 ppb