Bromochloromethane
City of San Jose - EVG/EDV/COY
Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.
12
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | 0.0288 ppb | 8 | 2 | ND - 0.120 ppb |
| 2014 | ND | 3 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 1 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2013-03-04 | 201303060518AM | ND |
| 2013-03-04 | 201303060528AM | ND |
| 2013-03-04 | 201303060525AM | ND |
| 2013-07-16 | 201307170641AM | 0.120 ppb |
| 2013-09-09 | 201309110418AM | ND |
| 2013-09-09 | 201309110363AM | ND |
| 2013-09-09 | 201309110410AM | 0.110 ppb |
| 2013-12-02 | 201312040583AM | ND |
| 2014-01-21 | 9590-005-0914 | ND |
| 2014-01-21 | 9590-006-0839 | ND |
| 2014-02-18 | 9588-012-0902 | ND |
| 2017-09-12 | 5867-004-0943 | ND |