Know Your Environment. Protect Your Health.

Chloromethane

Collins/gowanda Correctional Facilities

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
20182.55 ppb330.340 ppb - 3.90 ppb
20191.81 ppb220.610 ppb - 3.00 ppb
20202.60 ppb112.60 ppb
20212.80 ppb112.80 ppb
20221.50 ppb111.50 ppb
2023ND10ND

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
2018-03-05480-132291-13.90 ppb
2018-05-08480-135652-13.40 ppb
2018-08-20480-140641-10.340 ppb
2019-02-26480-149528-10.610 ppb
2019-08-13EHS1900040899-SR-2PO3.00 ppb
2020-08-12480-173768-1POC2.60 ppb
2021-09-21480-189918-12.80 ppb
2022-03-16EHS2200008609-1POC1.50 ppb
2023-08-15R2307490-001ND