Chlorodifluoromethane

City of Fresno

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.

MORE ABOUT THIS CONTAMINANT

386

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2013	0.134 ppb	102	12	ND - 9.10 ppb
2014	0.0995 ppb	197	24	ND - 4.60 ppb
2015	0.254 ppb	87	18	ND - 14.0 ppb
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
2013-08-06	A3G1808-01A	ND
2013-08-06	A3G1808-17A	ND
2013-08-06	A3G1808-05A	ND
2013-08-06	A3H0212-01A	ND
2013-08-06	A3H0212-17A	ND
2013-08-06	A3H0212-09A	ND
2013-08-06	A3H0212-05A	ND
2013-08-06	A3G1808-13A	ND
2013-08-06	A3G1808-09A	ND
2013-08-06	A3H0212-13A	ND
2013-08-07	A3H0331-13A	0.680 ppb
2013-08-07	A3H0332-05A	ND
2013-08-07	A3H0331-09A	ND
2013-08-07	A3H0331-01A	ND
2013-08-07	A3H0332-01A	ND
2013-08-07	A3H0332-13A	ND
2013-08-07	A3H0331-05A	ND
2013-08-07	A3H0332-09A	ND
2013-08-07	A3H0331-17A	0.350 ppb
2013-08-15	A3H1177-05A	ND
2013-08-15	A3H1178-09A	ND
2013-08-15	A3H1178-17A	ND
2013-08-15	A3H1177-13A	ND
2013-08-15	A3H1177-09A	ND
2013-08-15	A3H1178-01A	ND
2013-08-15	A3H1178-13A	ND
2013-08-15	A3H1177-01A	ND
2013-08-15	A3H1178-05A	ND
2013-08-20	A3H1518-17A	0.400 ppb
2013-08-20	A3H1518-09A	ND
2013-08-20	A3H1518-13A	ND
2013-08-20	A3H1518-01A	ND
2013-08-20	A3H1519-09A	ND
2013-08-20	A3H1519-17A	ND
2013-08-20	A3H1518-05A	ND
2013-08-20	A3H1519-01A	ND
2013-08-20	A3H1519-13A	ND
2013-08-20	A3H1519-05A	ND
2013-08-21	A3H1584-13A	ND
2013-08-21	A3H1584-09A	0.110 ppb
2013-08-21	A3H1584-05A	0.270 ppb
2013-08-21	A3H1585-13A	ND
2013-08-21	A3H1584-17A	0.0910 ppb
2013-08-21	A3H1585-05A	ND
2013-08-21	A3H1585-09A	ND
2013-08-21	A3H1585-17A	ND
2013-08-21	A3H1585-01A	ND
2013-08-21	A3H1584-01A	0.360 ppb
2013-08-22	A3H1748-05A	ND
2013-08-22	A3H1748-01A	0.510 ppb
2013-08-22	A3H1748-17A	ND
2013-08-22	A3H1748-09A	0.150 ppb
2013-08-22	A3H1748-13A	ND
2013-08-22	A3H1747-01A	ND
2013-08-22	A3H1747-17A	ND
2013-08-22	A3H1747-05A	ND
2013-08-22	A3H1747-13A	ND
2013-08-22	A3H1747-09A	ND
2013-08-27	A3H2089-17A	ND
2013-08-27	A3H2090-13A	ND
2013-08-27	A3H2160-01A	ND
2013-08-27	A3H2090-05A	ND
2013-08-27	A3H2090-01A	ND
2013-08-27	A3H2160-05A	ND
2013-08-27	A3H2089-13A	ND
2013-08-27	A3H2090-09A	ND
2013-08-27	A3H2089-01A	ND
2013-08-27	A3H2089-09A	ND
2013-08-27	A3H2089-05A	ND
2013-08-28	A3H2091-01A	1.20 ppb
2013-08-28	A3H2091-05A	ND
2013-08-28	A3H2091-09A	ND
2013-10-24	A3J1835-09A	ND
2013-10-24	A3J1835-08A	ND
2013-10-24	A3J1835-02A	ND
2013-10-24	A3J1835-03A	ND
2013-10-24	A3J1835-05A	ND
2013-10-24	A3J1834-10A	ND
2013-10-24	A3J1833-08A	ND
2013-10-24	A3J1834-11A	ND
2013-10-24	A3J1833-09A	ND
2013-10-24	A3J1834-09A	ND
2013-10-24	A3J1833-03A	ND
2013-10-24	A3J1833-04A	ND
2013-10-24	A3J1833-07A	0.460 ppb
2013-10-24	A3J1835-10A	ND
2013-10-24	A3J1833-02A	ND
2013-10-24	A3J1834-04A	ND
2013-10-24	A3J1833-10A	ND
2013-10-24	A3J1835-04A	ND
2013-10-24	A3J1833-01A	ND
2013-10-24	A3J1834-07A	ND
2013-10-24	A3J1835-06A	ND
2013-10-24	A3J1835-01A	9.10 ppb
2013-10-24	A3J1833-05A	ND
2013-10-24	A3J1834-12A	ND
2013-10-24	A3J1834-08A	ND
2013-10-24	A3J1833-06A	ND
2013-10-24	A3J1834-06A	ND
2013-10-24	A3J1835-07A	ND
2013-11-01	A3J2304-01A	ND
2013-11-07	A3K0336-01A	ND
2014-02-04	A4B0012-17A	ND
2014-02-04	A4B0001-17A	0.390 ppb
2014-02-04	A4B0001-01A	ND
2014-02-04	A4B0012-13A	ND
2014-02-04	A4B0012-05A	ND
2014-02-04	A4B0012-01A	ND
2014-02-04	A4B0001-09A	ND
2014-02-04	A4B0001-13A	ND
2014-02-04	A4B0001-05A	ND
2014-02-04	A4B0012-09A	ND
2014-02-05	A4B0134-01A	ND
2014-02-05	A4B0166-01A	ND
2014-02-05	A4B0144-05A	ND
2014-02-05	A4B0144-01A	ND
2014-02-05	A4B0144-09A	ND
2014-02-05	A4B0132-01A	ND
2014-02-05	A4B0144-13A	ND
2014-02-05	A4B0132-05A	ND
2014-02-05	A4B0132-09A	ND
2014-02-06	A4B0236-09A	ND
2014-02-06	A4B0236-05A	ND
2014-02-06	A4B0235-05A	ND
2014-02-06	A4B0236-01A	2.50 ppb
2014-02-06	A4B0236-13A	ND
2014-02-06	A4B0235-09A	ND
2014-02-06	A4B0235-01A	ND
2014-02-06	A4B0235-17A	ND
2014-02-06	A4B0235-13A	ND
2014-02-06	A4B0236-17A	ND
2014-02-11	A4B0717-09A	ND
2014-02-11	A4B0711-13A	ND
2014-02-11	A4B0711-05A	ND
2014-02-11	A4B0717-18A	ND
2014-02-11	A4B0711-01A	ND
2014-02-11	A4B0717-01A	ND
2014-02-11	A4B0711-09A	ND
2014-02-11	A4B0717-13A	ND
2014-02-12	A4B0820-13A	ND
2014-02-12	A4B0820-05A	ND
2014-02-12	A4B0846-01A	ND
2014-02-12	A4B0812-01A	ND
2014-02-12	A4B0812-17A	ND
2014-02-12	A4B0812-13A	ND
2014-02-12	A4B0820-17A	ND
2014-02-12	A4B0820-09A	ND
2014-02-12	A4B0820-01A	ND
2014-02-13	A4B0946-13A	0.340 ppb
2014-02-13	A4B0961-01A	ND
2014-02-13	A4B0961-09A	ND
2014-02-13	A4B0946-01A	ND
2014-02-13	A4B0967-01A	ND
2014-02-13	A4B0946-09A	ND
2014-02-13	A4B0946-17A	2.40 ppb
2014-02-13	A4B0961-05A	ND
2014-02-13	A4B0946-05A	ND
2014-02-18	A4B1229-01A	ND
2014-02-18	A4B1233-09A	0.280 ppb
2014-02-18	A4B1233-01A	0.120 ppb
2014-02-18	A4B1233-13A	ND
2014-02-18	A4B1225-01A	0.260 ppb
2014-02-18	A4B1215-13A	ND
2014-02-18	A4B1215-01A	ND
2014-02-18	A4B1215-05A	ND
2014-02-18	A4B1233-05A	ND
2014-02-19	A4B1282-05A	ND
2014-02-19	A4B1282-17A	ND
2014-02-19	A4B1282-13A	ND
2014-02-19	A4B1281-17A	ND
2014-02-19	A4B1282-09A	ND
2014-02-19	A4B1281-05A	ND
2014-02-19	A4B1282-01A	ND
2014-02-19	A4B1281-09A	ND
2014-02-19	A4B1281-13A	ND
2014-02-19	A4B1281-01A	ND
2014-02-20	A4B1365-01A	ND
2014-02-20	A4B1364-09A	ND
2014-02-20	A4B1364-05A	0.240 ppb
2014-02-20	A4B1366-13A	ND
2014-02-20	A4B1364-17A	ND
2014-02-20	A4B1364-13A	ND
2014-02-20	A4B1366-05A	ND
2014-02-20	A4B1364-01A	ND
2014-02-20	A4B1366-09A	ND
2014-02-20	A4B1366-01A	ND
2014-02-25	A4B1773-01A	ND
2014-02-25	A4B1770-01A	ND
2014-02-25	A4B1771-01A	ND
2014-03-05	A4C0168-01A	ND
2014-03-05	A4C0167-01A	ND
2014-03-05	A4C0167-05A	0.210 ppb
2014-03-05	A4C0173-01A	ND
2014-03-05	A4C0168-05A	ND
2014-03-06	A4C0425-01A	ND
2014-03-06	A4C0426-01A	0.110 ppb
2014-03-06	A4C0426-05A	ND
2014-03-11	A4C0678-01A	ND
2014-03-11	A4C0679-09A	ND
2014-03-11	A4C0679-05A	ND
2014-03-12	A4C0680-01A	ND
2014-03-12	A4C0681-01A	ND
2014-03-13	A4C0995-01A	ND
2014-03-13	A4C0995-05A	ND
2014-03-14	A4C1063-01A	ND
2014-03-25	A4C1786-01A	ND
2014-03-25	A4C1788-01A	ND
2014-03-26	A4C1837-01A	ND
2014-03-26	A4C1837-05A	ND
2014-04-02	A4C2132-01A	0.120 ppb
2014-05-06	A4D2336-01A	ND
2014-08-04	A4H0001-01A	ND
2014-08-04	A4H0002-06A	ND
2014-08-04	A4H0002-01A	ND
2014-08-04	A4H0002-11A	ND
2014-08-04	A4H0002-21A	ND
2014-08-04	A4H0001-06A	ND
2014-08-04	A4H0002-16A	ND
2014-08-05	A4H0101-26A	ND
2014-08-05	A4H0101-11A	ND
2014-08-05	A4H0101-01A	ND
2014-08-05	A4H0101-06A	ND
2014-08-05	A4H0101-16A	ND
2014-08-05	A4H0101-31A	ND
2014-08-06	A4H0204-01A	ND
2014-08-06	A4H0204-11A	ND
2014-08-06	A4H0204-26A	ND
2014-08-06	A4H0204-06A	ND
2014-08-06	A4H0204-21A	ND
2014-08-06	A4H0204-31A	0.180 ppb
2014-08-07	A4H0208-31A	ND
2014-08-07	A4H0208-11A	ND
2014-08-07	A4H0208-16A	ND
2014-08-07	A4H0208-26A	ND
2014-08-07	A4H0208-06A	ND
2014-08-07	A4H0208-01A	3.80 ppb
2014-08-08	A4H0516-06A	ND
2014-08-08	A4H0516-01A	ND
2014-08-08	A4H0516-11A	ND
2014-08-08	A4H0516-16A	0.310 ppb
2014-08-11	A4H0874-01A	ND
2014-08-11	A4H0874-26A	ND
2014-08-11	A4H0874-11A	ND
2014-08-11	A4H0874-16A	ND
2014-08-11	A4H0874-06A	ND
2014-08-11	A4H0874-21A	ND
2014-08-12	A4H0873-21A	0.120 ppb
2014-08-12	A4H0873-01A	ND
2014-08-12	A4H0873-16A	0.180 ppb
2014-08-12	A4H0873-31A	ND
2014-08-12	A4H0873-26A	ND
2014-08-12	A4H0873-06A	2.00 ppb
2014-08-12	A4H0873-11A	0.150 ppb
2014-08-13	A4H0955-06A	ND
2014-08-13	A4H0955-01A	ND
2014-08-13	A4H0955-26A	0.120 ppb
2014-08-13	A4H0955-16A	ND
2014-08-13	A4H0955-11A	0.110 ppb
2014-08-14	A4H0957-21A	ND
2014-08-14	A4H0957-16A	ND
2014-08-14	A4H0957-01A	ND
2014-08-14	A4H0957-26A	ND
2014-08-14	A4H0958-01A	ND
2014-08-14	A4H0957-06A	ND
2014-08-14	A4H0957-11A	ND
2014-08-15	A4H1343-06A	ND
2014-08-15	A4H1343-01A	ND
2014-08-15	A4H1343-11A	ND
2014-08-18	A4H1460-11A	ND
2014-08-18	A4H1460-01A	ND
2014-08-18	A4H1460-21A	ND
2014-08-18	A4H1460-31A	ND
2014-08-18	A4H1460-16A	ND
2014-08-18	A4H1460-26A	ND
2014-08-18	A4H1460-06A	ND
2014-08-19	A4H1625-01A	ND
2014-08-19	A4H1625-21A	0.810 ppb
2014-08-19	A4H1625-06A	ND
2014-08-19	A4H1625-26A	ND
2014-08-19	A4H1625-16A	ND
2014-08-19	A4H1625-11A	ND
2014-08-19	A4H1625-31A	ND
2014-08-20	A4H1626-21A	ND
2014-08-20	A4H1626-26A	ND
2014-08-20	A4H1626-31A	ND
2014-08-20	A4H1626-16A	0.130 ppb
2014-08-20	A4H1626-01A	0.120 ppb
2014-08-20	A4H1626-06A	ND
2014-08-20	A4H1626-11A	ND
2014-08-21	A4H1628-06A	ND
2014-08-21	A4H1627-01A	ND
2014-08-21	A4H1627-11A	ND
2014-08-21	A4H1627-16A	ND
2014-08-21	A4H1627-21A	ND
2014-08-21	A4H1627-06A	4.60 ppb
2014-08-22	A4H2079-01A	ND
2014-08-22	A4H2079-06A	ND
2014-08-22	A4H2079-16A	ND
2014-08-22	A4H2079-11A	ND
2015-02-10	A5B0532-16A	ND
2015-02-10	A5B0532-01A	0.1000 ppb
2015-02-10	A5B0532-11A	ND
2015-02-10	A5B0533-01A	ND
2015-02-10	A5B0533-11A	0.110 ppb
2015-02-10	A5B0533-06A	ND
2015-02-10	A5B0532-06A	ND
2015-02-10	A5B0533-21A	ND
2015-02-10	A5B0533-16A	ND
2015-02-11	A5B0572-16A	0.560 ppb
2015-02-11	A5B0612-21A	ND
2015-02-11	A5B0572-11A	0.370 ppb
2015-02-11	A5B0572-01A	ND
2015-02-11	A5B0572-06A	ND
2015-02-11	A5B0612-11A	ND
2015-02-11	A5B0612-01A	0.680 ppb
2015-02-11	A5B0612-06A	ND
2015-02-12	A5B0634-01B	ND
2015-02-12	A5B0634-16B	ND
2015-02-12	A5B0621-21A	ND
2015-02-12	A5B0621-16A	ND
2015-02-12	A5B0634-06B	ND
2015-02-12	A5B0621-06A	ND
2015-02-12	A5B0621-11A	ND
2015-02-12	A5B0621-01A	ND
2015-02-12	A5B0634-21B	0.0960 ppb
2015-02-12	A5B0634-11B	ND
2015-02-18	A5B1156-21A	ND
2015-02-18	A5B1156-16A	ND
2015-02-18	A5B1155-06A	0.110 ppb
2015-02-18	A5B1156-06A	0.310 ppb
2015-02-18	A5B1156-11A	0.440 ppb
2015-02-18	A5B1156-01A	ND
2015-02-18	A5B1155-01A	ND
2015-02-18	A5B1155-11A	ND
2015-02-18	A5B1155-16A	ND
2015-02-18	A5B1155-21A	ND
2015-02-19	A5B1158-06A	ND
2015-02-19	A5B1157-06A	ND
2015-02-19	A5B1158-11A	ND
2015-02-19	A5B1158-01A	ND
2015-02-19	A5B1158-16A	ND
2015-02-19	A5B1157-21A	ND
2015-02-19	A5B1157-11A	ND
2015-02-19	A5B1157-16A	ND
2015-02-19	A5B1157-01A	0.610 ppb
2015-02-24	A5B1816-11A	ND
2015-02-24	A5B1815-06A	ND
2015-02-24	A5B1817-01A	ND
2015-02-24	A5B1815-01A	ND
2015-02-24	A5B1816-06A	ND
2015-02-24	A5B1158-21A	ND
2015-02-24	A5B1815-11A	ND
2015-02-24	A5B1816-01A	0.120 ppb
2015-02-24	A5B1815-16A	ND
2015-02-25	A5B1819-01A	0.0920 ppb
2015-02-25	A5B1820-01A	ND
2015-02-25	A5B1818-16A	ND
2015-02-25	A5B1818-21A	ND
2015-02-25	A5B1819-11A	ND
2015-02-25	A5B1818-11A	ND
2015-02-25	A5B1818-06A	ND
2015-02-25	A5B1819-06A	ND
2015-02-25	A5B1818-01A	ND
2015-02-25	A5B1819-16A	0.0830 ppb
2015-02-26	A5B1822-01A	ND
2015-02-26	A5B1821-16A	ND
2015-02-26	A5B1821-11A	ND
2015-02-26	A5B1822-06A	ND
2015-02-26	A5B1821-06A	ND
2015-02-26	A5B1821-01A	ND
2015-02-26	A5B2060-01A	ND
2015-02-26	A5B1822-11A	2.00 ppb
2015-02-26	A5B1822-16A	ND
2015-02-26	A5B1821-21A	ND
2015-03-03	A5C0001-01A	ND
2015-03-03	A5C0002-01A	ND
2015-03-03	A5C0001-11A	ND
2015-03-03	A5C0001-06A	ND
2015-03-03	A5C0001-16A	ND
2015-03-03	A5C0001-21A	0.420 ppb
2015-03-03	A5C0002-06A	1.90 ppb
2015-03-04	A5C0003-06A	0.0900 ppb
2015-03-04	A5C0003-01A	ND
2015-04-02	A5D0086-04A	ND
2015-04-02	A5D0086-02A	14.0 ppb
2015-12-03	A5K2250-01A	ND