Chlorodifluoromethane
City of Porterville
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.
64
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 | 0.390 ppb | 32 | 8 | ND - 8.20 ppb |
| 2014 | 0.259 ppb | 32 | 8 | ND - 4.80 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 |
|---|---|---|
| 2013-09-16 | B3I1567-13 | ND |
| 2013-09-16 | B3I1567-16 | 0.410 ppb |
| 2013-09-16 | B3I1567-01 | ND |
| 2013-09-17 | B3I1806-25 | 0.160 ppb |
| 2013-09-17 | B3I1806-19 | ND |
| 2013-09-17 | B3I1806-01 | ND |
| 2013-09-17 | B3I1806-13 | ND |
| 2013-09-17 | B3I1806-28 | ND |
| 2013-09-17 | B3I1806-04 | 1.80 ppb |
| 2013-09-17 | B3I1806-16 | ND |
| 2013-09-17 | B3I1806-22 | ND |
| 2013-09-17 | B3I1806-10 | ND |
| 2013-09-17 | B3I1806-07 | 0.830 ppb |
| 2013-09-18 | B3I1853-16 | ND |
| 2013-09-18 | B3I1853-19 | ND |
| 2013-09-18 | B3I1853-04 | ND |
| 2013-09-18 | B3I1853-22 | ND |
| 2013-09-18 | B3I1853-07 | ND |
| 2013-09-18 | B3I1853-01 | ND |
| 2013-09-18 | B3I1853-13 | ND |
| 2013-09-18 | B3I1853-25 | ND |
| 2013-09-18 | B3I1853-10 | ND |
| 2013-09-19 | B3I1957-01 | ND |
| 2013-09-19 | B3I1957-04 | ND |
| 2013-09-19 | B3I1957-07 | ND |
| 2013-09-19 | B3I1957-13 | 0.370 ppb |
| 2013-09-19 | B3I1957-10 | ND |
| 2013-09-26 | B3I2610-09 | 0.440 ppb |
| 2013-09-26 | B3I2610-13 | 8.20 ppb |
| 2013-09-26 | B3I2610-04 | ND |
| 2013-10-22 | B3J2231-01 | 0.280 ppb |
| 2013-11-19 | B3K1750-01 | ND |
| 2014-03-10 | B4C1040-04 | ND |
| 2014-03-10 | B4C1040-07 | ND |
| 2014-03-10 | B4C1040-10 | ND |
| 2014-03-10 | B4C1040-01 | ND |
| 2014-03-11 | B4C1205-01 | ND |
| 2014-03-11 | B4C1201-10 | 1.20 ppb |
| 2014-03-11 | B4C1205-04 | 0.530 ppb |
| 2014-03-11 | B4C1205-07 | ND |
| 2014-03-11 | B4C1201-07 | ND |
| 2014-03-11 | B4C1201-01 | 0.350 ppb |
| 2014-03-11 | B4C1201-04 | 0.490 ppb |
| 2014-03-12 | B4C1357-07 | ND |
| 2014-03-12 | B4C1357-04 | ND |
| 2014-03-12 | B4C1362-01 | ND |
| 2014-03-12 | B4C1357-01 | ND |
| 2014-03-12 | B4C1357-10 | ND |
| 2014-03-13 | B4C1432-01 | ND |
| 2014-03-13 | B4C1432-07 | 0.130 ppb |
| 2014-03-13 | B4C1432-04 | 0.540 ppb |
| 2014-03-17 | B4C1726-01 | ND |
| 2014-03-17 | B4C1726-08 | ND |
| 2014-03-17 | B4C1726-11 | ND |
| 2014-03-17 | B4C1726-05 | ND |
| 2014-03-18 | B4C1885-07 | ND |
| 2014-03-18 | B4C1886-01 | 4.80 ppb |
| 2014-03-18 | B4C1885-04 | ND |
| 2014-03-18 | B4C1885-01 | ND |
| 2014-03-18 | B4C1885-10 | ND |
| 2014-03-20 | B4C2126-05 | ND |
| 2014-03-20 | B4C2126-12 | ND |
| 2014-03-20 | B4C2126-09 | 0.250 ppb |
| 2014-03-20 | B4C2126-01 | ND |