Chloromethane
Roslyn WD
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 36 | 0 | ND |
2015 | ND | 12 | 0 | ND |
2016 | ND | 14 | 0 | ND |
2017 | ND | 21 | 0 | ND |
2018 | ND | 25 | 0 | ND |
2019 | ND | 22 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
---|---|---|
2014-01-08 | 1401261-002-POCS | ND |
2014-02-11 | 1402494-002-POCS | ND |
2014-03-27 | 1403J26-002-POCS | ND |
2014-04-14 | 1404A24-002-POCS | ND |
2014-05-08 | 1405607-002-POCS | ND |
2014-05-16 | 1405C18-002-POCS | ND |
2014-05-16 | 1405C18-003-POCS | ND |
2014-05-16 | 1405C18-005-POCS | ND |
2014-05-16 | 1405C18-004-POCS | ND |
2014-06-05 | 1406390-002-POCS | ND |
2014-06-12 | 1406931-002-POCS | ND |
2014-06-17 | 1406B96-002-POCS | ND |
2014-06-24 | 1406H35-002-POCS | ND |
2014-07-08 | 1407453-002-POCS | ND |
2014-07-21 | 1407E33-002-POCS | ND |
2014-07-23 | 1407G36-002-POCS | ND |
2014-07-30 | 1407L12-002-POCS | ND |
2014-08-05 | 1408195-002-POCS | ND |
2014-08-12 | 1408739-002-POCS | ND |
2014-08-13 | 1408868-002-POCS | ND |
2014-08-14 | 08010 082014 | ND |
2014-08-15 | 02400 082014 | ND |
2014-08-18 | 07104 082014 | ND |
2014-08-20 | 07873 082014 | ND |
2014-08-20 | 04265 082014 | ND |
2014-08-21 | 1408F37-002-POCS | ND |
2014-08-25 | 1408H19-002-POCS | ND |
2014-08-27 | 05852 082014 | ND |
2014-09-04 | 1409267-002-POCS | ND |
2014-09-11 | 1409890-002-POCS | ND |
2014-09-18 | 1409E16-001-POCS | ND |
2014-10-09 | 1410647-002-POCS | ND |
2014-10-22 | 1410E31-002-POCS | ND |
2014-11-10 | 1411665-002-POCS | ND |
2014-11-21 | 1411E96-002-POCS | ND |
2014-12-05 | 1412410-002-POCS | ND |
2015-01-15 | 1501871-002-POCS | ND |
2015-02-10 | 1502633-001-POCS | ND |
2015-02-18 | 05852 022015 | ND |
2015-02-18 | 04265 022015 | ND |
2015-02-23 | 02400 022015 | ND |
2015-04-16 | 1504C10-002-POCS | ND |
2015-04-23 | 1504I52-001-POCS | ND |
2015-04-23 | 1504I52-002-POCS | ND |
2015-05-01 | 1505031-002-POCS | ND |
2015-05-22 | 07873 052015 | ND |
2015-05-28 | 1505K32-002-POCS | ND |
2015-06-09 | 1506722-002-POCS | ND |
2016-01-13 | 1604L15-001 | ND |
2016-02-11 | 1602918-002 | ND |
2016-02-11 | 1602918-001 | ND |
2016-05-03 | 1605147-001 | ND |
2016-06-22 | 1606L82-001 | ND |
2016-07-18 | 1607D67-002 | ND |
2016-07-19 | 1607E94-002 | ND |
2016-08-16 | 1608E60-002 | ND |
2016-08-23 | 1608L92-002 | ND |
2016-09-20 | 1609F92-001 | ND |
2016-09-29 | 1609P72-001 | ND |
2016-10-11 | 701661001 | ND |
2016-11-15 | 704522005-POC | ND |
2016-12-14 | 706837002 | ND |
2017-01-04 | 708255003-POC | ND |
2017-02-15 | 7011343003 | ND |
2017-03-08 | 7012866003-POCS | ND |
2017-04-06 | 7015144002 | ND |
2017-04-19 | 7016340004-POC | ND |
2017-04-19 | 7016340004 | ND |
2017-05-10 | 7018231002 | ND |
2017-05-12 | 7018516002-POC | ND |
2017-06-06 | 7020424002-POC | ND |
2017-07-20 | 7024744002-POCS | ND |
2017-07-21 | 7024907002-POC | ND |
2017-08-16 | 7027363002-POC | ND |
2017-08-23 | 7027973002-POC | ND |
2017-08-28 | 7028346002-POC | ND |
2017-09-07 | 7029110002-POC | ND |
2017-09-28 | 7031248001-POC | ND |
2017-10-12 | 7032735002-POC | ND |
2017-11-13 | 7035525002-POC | ND |
2017-11-16 | 7035924002-POC | ND |
2017-12-01 | 7036961002-POC | ND |
2017-12-01 | 7036957002-POC | ND |
2018-01-11 | 7040222002-POC | ND |
2018-01-19 | 7040884002-POC | ND |
2018-02-08 | 7042437002 | ND |
2018-02-27 | 7043967002-POC | ND |
2018-03-08 | 7044819001 | ND |
2018-03-13 | 7045126002 | ND |
2018-04-05 | 7047399001-POC | ND |
2018-05-07 | 7050698002 | ND |
2018-05-30 | 7053122001 | ND |
2018-06-12 | 7054579002 | ND |
2018-06-27 | 7056403002 | ND |
2018-07-17 | 7058450002 | ND |
2018-07-19 | 7058782002-POC | ND |
2018-07-26 | 7059540002-POC | ND |
2018-08-03 | 7060299002-POC | ND |
2018-08-07 | 7060662002-POC | ND |
2018-08-09 | 7060947002-POC | ND |
2018-09-17 | 7065090001 | ND |
2018-09-19 | 7065305001 | ND |
2018-10-17 | 7068227002 | ND |
2018-10-25 | 7069045002 | ND |
2018-11-15 | 7071210002 | ND |
2018-11-28 | 7072146002 | ND |
2018-12-04 | 7072741002 | ND |
2018-12-12 | 7073713001 | ND |
2019-01-08 | 7075818002 | ND |
2019-01-23 | 7077366001 | ND |
2019-02-14 | 7079548002 | ND |
2019-02-15 | 7079807002 | ND |
2019-03-04 | 7081159002 | ND |
2019-04-11 | 7085552002 | ND |
2019-04-25 | 7087227002 | ND |
2019-05-07 | 7088362002 | ND |
2019-06-04 | 7092008002 | ND |
2019-06-13 | 7093546002 | ND |
2019-06-14 | 7093737003 | ND |
2019-07-11 | 7097203001 | ND |
2019-07-25 | 7098830002-POC | ND |
2019-08-06 | 70100015002-POC | ND |
2019-08-14 | 70101279002 | ND |
2019-09-10 | 70104226002 | ND |
2019-09-12 | 70104647001 | ND |
2019-09-24 | 70106023002 | ND |
2019-10-09 | 70107824002-POC | ND |
2019-10-16 | 70108611002 | ND |
2019-11-13 | 70111657002 | ND |
2019-11-14 | 70111831002 | ND |