Trichlorofluoromethane

Carle Place Water District

Trichlorofluoromethane (Freon 11) 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.

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232

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2014	0.202 ppb	46	11	ND - 1.20 ppb
2015	0.140 ppb	39	8	ND - 0.910 ppb
2016	0.0370 ppb	46	3	ND - 0.610 ppb
2017	ND	37	0	ND
2018	ND	34	0	ND
2019	ND	30	0	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1,300 ppb

The EWG Health Guideline of 1,300 ppb for trichlorofluoromethane 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
2014-01-07	1401152-002-POCS	1.000 ppb
2014-01-14	1401534-002-POCS	ND
2014-01-21	1401864-001A-POC	ND
2014-01-28	1401B26-001-POCS	ND
2014-02-04	1402041-001-POCS	1.000 ppb
2014-02-11	1402459-001-POCS	ND
2014-02-18	1402794-001-POCS	ND
2014-02-25	1402C87-002-POCS	ND
2014-03-05	1403202-002-POCS	ND
2014-03-11	1403673-002-POCS	ND
2014-03-18	1403C15-001-POCS	0.950 ppb
2014-03-25	1403G87-001-POCS	ND
2014-04-01	1404035-001-POCS	0.970 ppb
2014-04-08	1404569-001-POCS	ND
2014-04-22	1404F67-001-POCS	ND
2014-05-13	1405845-001A-POC	ND
2014-05-15	1404B00-001-POCS	ND
2014-05-20	1405E02-001A	ND
2014-05-27	1405H98-001-POCS	ND
2014-06-03	1406145-001-POCS	0.650 ppb
2014-06-10	1406658-001-POCS	ND
2014-06-17	1406B95-001A-POC	ND
2014-06-24	1406H04-001A-POC	ND
2014-07-01	1407017-001A-POC	0.620 ppb
2014-07-08	1407408-001A-POC	ND
2014-07-15	1407987-001-POCS	ND
2014-07-22	1407E93-001A-POC	ND
2014-08-05	1408167-001-POCS	0.720 ppb
2014-08-12	1408705-001A-POC	ND
2014-08-19	1408C87-001A-POC	ND
2014-08-26	1408I18-001A-POC	ND
2014-09-02	1409022-001A-POC	0.890 ppb
2014-09-10	1409736-001A-POC	ND
2014-09-17	1409C71-001-POCS	ND
2014-09-23	1409H07-001-POCS	ND
2014-10-07	1410420-002-POCS	0.540 ppb
2014-10-14	1410864-001-POCS	ND
2014-10-29	1410J12-001-POCS	ND
2014-11-05	1411222-001-POCS	0.730 ppb
2014-11-12	1411718-001-POCS	ND
2014-11-18	1411B72-001-POCS	ND
2014-11-25	1411G47-001-POCS	ND
2014-12-02	1412107-001-POCS	1.20 ppb
2014-12-09	1412653-001-POCS	ND
2014-12-16	1412C28-001-POCS	ND
2014-12-23	1412G70-001-POCS	ND
2015-01-06	1501251-001-POCS	0.560 ppb
2015-01-12	1501529-002-POCS	ND
2015-01-20	1501A80-002-POCS	ND
2015-01-21	1501C57-001-POCS	ND
2015-02-03	1502065-001-POCS	0.610 ppb
2015-02-10	1502527-001-POCS	ND
2015-02-18	1502A52-001	ND
2015-03-03	1503090-001	0.590 ppb
2015-03-10	1503592-001	ND
2015-04-07	1504384-001-POCS	0.810 ppb
2015-04-14	1504956-002	ND
2015-04-21	1504F41-001-POCS	ND
2015-05-05	1505224-001-POCS	0.640 ppb
2015-05-12	1505778-001	ND
2015-05-19	1505D23-001	ND
2015-05-26	1505H79-001-POCS	ND
2015-06-02	1506106-001-POCS	0.690 ppb
2015-06-09	1506713-001-POCS	ND
2015-06-16	1506C53-001-POCS	ND
2015-06-23	1506H93-001-POCS	ND
2015-07-07	1507334-001-POCS	ND
2015-07-14	1507894-002-POCS	ND
2015-07-21	1507E42-001-POCS	ND
2015-07-28	1507J59-002	ND
2015-08-04	1508148-002-POCS	ND
2015-08-11	1508791-002-POCS	ND
2015-09-08	1509458-001-POCS	ND
2015-09-16	1511042-002-POCS	ND
2015-09-22	1509G47-002-POCS	ND
2015-10-06	1510382-002-POCS	0.910 ppb
2015-10-13	1510888-002-POCS	ND
2015-10-20	1510E75-001-POCS	ND
2015-10-27	1510K08-001-POCS	ND
2015-11-10	1511730-001-POCS	ND
2015-11-17	1511136-002-POCS	ND
2015-11-17	1511C83-002-POCS	ND
2015-12-01	1512019-002-POCS	0.640 ppb
2015-12-08	1512626-001-POCS	ND
2015-12-15	1512C33-0022-POC	ND
2016-01-05	1601129-002	ND
2016-01-05	1601129-002-POCS	0.570 ppb
2016-01-12	1601652-002-POCS	ND
2016-01-19	1601C40-002	ND
2016-01-26	1601G72-002	ND
2016-02-10	1602803-001-POCS	ND
2016-02-16	1602B17-002-POCS	ND
2016-02-23	1602G10-002-POCS	ND
2016-03-01	1603010-002	0.610 ppb
2016-03-08	1603578-001	ND
2016-03-15	1603B58-002	ND
2016-03-22	1603H02-002	ND
2016-04-05	1604429-002	0.520 ppb
2016-04-12	1604A71-002	ND
2016-04-19	1604H27-002	ND
2016-04-26	1604N41-002	ND
2016-05-03	1605152-002	ND
2016-05-03	1605153-002	ND
2016-05-17	1605E39-001	ND
2016-05-24	1605L73-002	ND
2016-06-08	1606720-001	ND
2016-06-14	1606D20-002	ND
2016-06-21	1606K09-001	ND
2016-06-29	1606S20-002	ND
2016-07-05	1607158-002-POCS	ND
2016-07-12	1607847-002-POCS	ND
2016-07-19	1607E83-002	ND
2016-07-26	1607L45-002	ND
2016-08-02	1608143-002	ND
2016-08-09	1608871-002	ND
2016-08-16	1608E72-002	ND
2016-08-23	1608L58-002A	ND
2016-09-06	1609241-002	ND
2016-09-13	1609997-002	ND
2016-09-13	1609997-002-POCS	ND
2016-09-20	1609G07-002	ND
2016-09-27	1609N123-001	ND
2016-10-11	701631002	ND
2016-10-18	702260002	ND
2016-10-25	702831003-POCS	ND
2016-11-01	703349003	ND
2016-11-09	704078001-POCS	ND
2016-11-15	704511001-POCS	ND
2016-12-06	706057001	ND
2016-12-13	706671001	ND
2016-12-20	707261001	ND
2017-01-03	708099001	ND
2017-01-10	708686002	ND
2017-01-17	709190001	ND
2017-02-07	7010705001	ND
2017-02-14	7011216001	ND
2017-02-21	7011678001-POCS	ND
2017-02-21	7011678001	ND
2017-03-07	7012741001	ND
2017-03-13	7013273001	ND
2017-03-21	7013753001	ND
2017-04-04	7014819002	ND
2017-04-11	7015451003-POCS	ND
2017-04-18	7016159002	ND
2017-05-02	7017414001	ND
2017-05-09	7018088001	ND
2017-05-15	7018586001	ND
2017-06-06	7020417002-POCS	ND
2017-06-13	7021172001-POCS	ND
2017-06-20	702837001-POCS	ND
2017-07-03	7023031001-POCS	ND
2017-07-10	7023518002-POCS	ND
2017-07-18	7024465001	ND
2017-08-01	7025766001-POCS	ND
2017-08-08	7026448001	ND
2017-08-15	7027184001	ND
2017-09-05	7028825001-POCS	ND
2017-09-12	7029624001-POCS	ND
2017-09-19	7030352001-POCS	ND
2017-10-03	7031683001	ND
2017-10-10	7032362001-POCS	ND
2017-10-17	7033087001-POCS	ND
2017-11-08	7035129001-POCS	ND
2017-11-14	7035629001	ND
2017-11-21	7036261001-POCS	ND
2017-12-05	7037196001-POCS	ND
2017-12-12	7037873001-POCS	ND
2017-12-19	7038520001	ND
2018-01-02	7039420002POCS	ND
2018-01-09	7039886001-POCS	ND
2018-01-23	7041060002-POCS	ND
2018-02-06	7042084001-POCS	ND
2018-02-13	7042736001-POCS	ND
2018-02-20	7043349001-POCS	ND
2018-03-06	7044522001-POCS	ND
2018-03-13	7045138001-POCS	ND
2018-03-21	7045887001-POCS	ND
2018-04-03	7046962001	ND
2018-04-10	7047800001	ND
2018-04-17	7048611001	ND
2018-05-01	7050010001-POCS	ND
2018-05-08	7050960001-POCS	ND
2018-05-15	7051696001-POCS	ND
2018-06-05	7053650001-POCS	ND
2018-06-12	7054595001-POCS	ND
2018-07-03	7057062001-POCS	ND
2018-07-10	7057626001-POCS	ND
2018-07-17	7058459002-POCS	ND
2018-08-07	7060608001-POCS	ND
2018-08-14	7061441003-POCS	ND
2018-08-21	7062236001-POCS	ND
2018-09-04	7063515001-POCS	ND
2018-09-10	7064182001-POCS	ND
2018-09-18	7065171001-POCS	ND
2018-10-02	7066551001-POCS	ND
2018-10-09	7067228002-POCS	ND
2018-10-16	7068040002	ND
2018-11-05	7069972001-POCS	ND
2018-11-13	7070806001-POCS	ND
2018-11-20	7071627001-POCS	ND
2018-12-11	7073531001-POCS	ND
2018-12-18	7074235001-POCS	ND
2019-01-02	7075227001	ND
2019-01-08	7075823001	ND
2019-01-15	7076589001	ND
2019-02-05	7078455001-POCS	ND
2019-02-19	7079967001-POCS	ND
2019-03-05	7081236001	ND
2019-03-12	7082034001	ND
2019-04-02	7084246001-POCS	ND
2019-04-09	7085097002-POCS	ND
2019-05-14	7089369001-POCS	ND
2019-05-22	7090411001-POCS	ND
2019-06-04	7091918001	ND
2019-06-11	7093100001-POCS	ND
2019-07-02	7096087001	ND
2019-07-09	7096701002	ND
2019-07-23	7098510003-POCS	ND
2019-08-06	70100128001-POCS	ND
2019-08-20	70102065001-POCS	ND
2019-09-03	70103425001	ND
2019-09-10	70104362001-POCS	ND
2019-09-17	70105237001-POCS	ND
2019-10-02	70106988001-POCS	ND
2019-10-08	70107642002	ND
2019-10-15	70108487001-POCS	ND
2019-11-04	70110526001	ND
2019-11-12	70111430001	ND
2019-11-19	70112330001	ND
2019-12-03	70113806001	ND
2019-12-10	70114748001	ND
2019-12-17	70115728001	ND