Dichlorodifluoromethane
Stromsburg, City of
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 | 2 | 0 | ND |
2015 | 0.167 ppb | 3 | 1 | ND - 0.500 ppb |
2016 | 0.210 ppb | 3 | 1 | ND - 0.630 ppb |
2017 | 0.375 ppb | 2 | 1 | ND - 0.750 ppb |
2018 | 1.18 ppb | 2 | 2 | 1.15 ppb - 1.21 ppb |
2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-10-07 | 324596 | ND |
2014-10-07 | 324597 | ND |
2015-07-28 | 371458 | 0.500 ppb |
2015-08-31 | 375522 | ND |
2015-08-31 | 375523 | ND |
2016-08-22 | 0.630 ppb | |
2016-08-22 | ND | |
2016-09-06 | ND | |
2017-07-25 | ND | |
2017-08-21 | 0.750 ppb | |
2018-07-30 | 560164 | 1.21 ppb |
2018-08-27 | 568522 | 1.15 ppb |
2019-07-16 | 621250 | ND |
2019-08-26 | 628429 | ND |