Dichlorodifluoromethane
City of Alhambra
Dichlorodifluoromethane (Freon-12) 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 |
---|---|---|---|---|
2014 | ND | 4 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 4 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-07-08 | 9588-013-0940 | ND |
2014-07-08 | 9588-011-0915 | ND |
2014-07-08 | 9588-007-0905 | ND |
2014-10-01 | 9588-014-1130 | ND |
2015-07-07 | 9588-007-0900 | ND |
2015-07-07 | 9588-011-0925 | ND |
2015-09-23 | 9588-013-0930 | ND |
2015-10-08 | 9588-014-1115 | ND |
2016-07-12 | 9588-007-0850 | ND |
2016-07-12 | 9588-013-1010 | ND |
2016-07-12 | 9588-011-1035 | ND |
2016-10-06 | 9588-014-1120 | ND |
2017-07-18 | 9588-013-1245 | ND |
2017-07-18 | 9588-007-1125 | ND |
2017-09-06 | 9588-011-0930 | ND |
2017-10-03 | 9588-014-1055 | ND |
2018-07-10 | 9588-011-1050 | ND |
2018-07-10 | 9588-013-1105 | ND |
2018-07-10 | 9588-007-0905 | ND |
2018-10-02 | 9588-014-1020 | ND |
2019-07-10 | 9588-011-1135 | ND |
2019-07-10 | 9588-013-1145 | ND |
2019-07-10 | 9588-007-1015 | ND |
2019-10-02 | 9588-014-1115 | ND |