Chlorodifluoromethane
Los Angeles Department of Water and Power
Chlorodifluoromethane (Freon 22) is a refrigerant, solvent and aerosol propellant banned in 2000 under the Montreal Protocol because of its ozone-depleting properties. Freons can cause heart, nervous system and liver damage.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | ND | 29 | 0 | ND |
2014 | 0.169 ppb | 9 | 4 | ND - 0.708 ppb |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2013-04-09 | AW06664 | ND |
2013-04-10 | AW06734 | ND |
2013-04-10 | AW06676 | ND |
2013-04-10 | AW06730 | ND |
2013-04-10 | AW06672 | ND |
2013-04-11 | AW06714 | ND |
2013-04-11 | AW06668 | ND |
2013-04-11 | AW06726 | ND |
2013-04-11 | AW06718 | ND |
2013-04-11 | AW06722 | ND |
2013-04-11 | AW06680 | ND |
2013-07-24 | AW14349 | ND |
2013-07-24 | AW14345 | ND |
2013-07-24 | AW14353 | ND |
2013-07-24 | AW14341 | ND |
2013-07-25 | AW14487 | ND |
2013-07-25 | AW14483 | ND |
2013-07-25 | AW14491 | ND |
2013-07-25 | AW14479 | ND |
2013-10-29 | AW21562 | ND |
2013-10-29 | AW21554 | ND |
2013-10-29 | AW21558 | ND |
2013-10-29 | AW21550 | ND |
2013-10-30 | AW21576 | ND |
2013-10-30 | AW21584 | ND |
2013-10-30 | AW21588 | ND |
2013-10-30 | AW21580 | ND |
2013-10-31 | AW21570 | ND |
2013-10-31 | AW21566 | ND |
2014-03-18 | AX05578 | 0.415 ppb |
2014-03-18 | AX05576 | 0.708 ppb |
2014-03-18 | AX05572 | 0.263 ppb |
2014-03-19 | AX05662 | ND |
2014-03-19 | AX05670 | ND |
2014-03-19 | AX05666 | 0.138 ppb |
2014-03-20 | AX05768 | ND |
2014-03-20 | AX05776 | ND |
2014-03-20 | AX05772 | ND |