Trichlorotrifluoroethane
Grafton Waterworks
Trichlorotrifluoroethane (Freon 113) 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.
70
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 |
|---|---|---|---|---|
| 2014 | 0.636 ppb | 11 | 6 | ND - 4.10 ppb |
| 2015 | 0.298 ppb | 10 | 5 | ND - 1.80 ppb |
| 2016 | 0.275 ppb | 15 | 5 | ND - 1.70 ppb |
| 2017 | 0.422 ppb | 9 | 2 | ND - 2.70 ppb |
| 2018 | 0.117 ppb | 9 | 3 | ND - 0.520 ppb |
| 2019 | 0.237 ppb | 16 | 6 | ND - 0.890 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 4,000 ppb
The EWG Health Guideline of 4,000 ppb for trichlorotrifluoroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-10 | 773668 | ND |
| 2014-03-10 | 773667 | 0.240 ppb |
| 2014-04-07 | 778331 | 0.270 ppb |
| 2014-04-07 | 778330 | 0.580 ppb |
| 2014-04-07 | 778329 | ND |
| 2014-07-29 | 806742 | ND |
| 2014-07-29 | 806747 | 0.410 ppb |
| 2014-07-29 | 806744 | 4.10 ppb |
| 2014-12-15 | 835982 | ND |
| 2014-12-15 | 835983 | ND |
| 2014-12-15 | 835984 | 1.40 ppb |
| 2015-03-04 | 846464 | 1.80 ppb |
| 2015-03-04 | 846463 | 0.260 ppb |
| 2015-03-04 | 846461 | ND |
| 2015-05-26 | 861796 | 0.320 ppb |
| 2015-05-26 | 861797 | ND |
| 2015-05-26 | 861798 | ND |
| 2015-09-08 | 881968 | 0.280 ppb |
| 2015-09-09 | 881967 | ND |
| 2015-09-09 | 881966 | 0.320 ppb |
| 2015-12-28 | 899818 | ND |
| 2016-03-16 | 910607 | ND |
| 2016-03-16 | 910609 | 0.540 ppb |
| 2016-03-16 | 910606 | ND |
| 2016-05-16 | 921436 | ND |
| 2016-05-16 | 921438 | ND |
| 2016-05-16 | 921435 | 0.630 ppb |
| 2016-05-16 | 921437 | 0.840 ppb |
| 2016-08-31 | 942867 | ND |
| 2016-08-31 | 942865 | ND |
| 2016-08-31 | 942864 | ND |
| 2016-09-01 | 942866 | 1.70 ppb |
| 2016-09-01 | 942870 | 0.420 ppb |
| 2016-11-17 | 960027 | ND |
| 2016-11-17 | 960026 | ND |
| 2016-11-17 | 960029 | ND |
| 2017-03-16 | 978077 | ND |
| 2017-03-16 | 978076 | ND |
| 2017-03-16 | 978073 | 2.70 ppb |
| 2017-06-28 | 1001048 | ND |
| 2017-06-28 | 1001047 | ND |
| 2017-09-20 | 1019867 | ND |
| 2017-09-20 | 1019868 | ND |
| 2017-12-19 | 1034427 | ND |
| 2017-12-19 | 1034426 | 1.10 ppb |
| 2018-03-14 | 1045108 | ND |
| 2018-03-14 | 1045107 | ND |
| 2018-03-14 | 1045109 | 0.520 ppb |
| 2018-06-19 | 1062394 | ND |
| 2018-09-26 | 1083610 | 0.370 ppb |
| 2018-09-26 | 1083609 | 0.160 ppb |
| 2018-09-26 | 1083608 | ND |
| 2018-11-27 | 1094374 | ND |
| 2018-11-27 | 1094373 | ND |
| 2019-03-18 | 1110131 | ND |
| 2019-03-18 | 1110132 | ND |
| 2019-03-18 | 1110130 | 0.780 ppb |
| 2019-04-17 | 1116388 | ND |
| 2019-06-17 | 1128502 | 0.890 ppb |
| 2019-06-17 | 1128504 | 0.340 ppb |
| 2019-06-17 | 1128503 | ND |
| 2019-06-17 | 1128505 | ND |
| 2019-09-24 | 1151015 | ND |
| 2019-09-24 | 1151013 | ND |
| 2019-09-24 | 1151016 | 0.220 ppb |
| 2019-09-24 | 1151014 | 0.690 ppb |
| 2019-09-24 | 1151012 | 0.870 ppb |
| 2019-12-10 | 1164881 | ND |
| 2019-12-10 | 1164877 | ND |
| 2019-12-10 | 1164879 | ND |