Know Your Environment. Protect Your Health.

Dichlorodifluoromethane

Altoona Waterworks

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.75 ppb441.10 ppb - 2.20 ppb
20190.823 ppb440.280 ppb - 1.70 ppb
20201.13 ppb331.000 ppb - 1.20 ppb
20210.930 ppb440.860 ppb - 1.000 ppb
20221.48 ppb440.920 ppb - 2.50 ppb
20230.724 ppb53ND - 1.50 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-1210445592.20 ppb
2018-06-1910624572.20 ppb
2018-09-1810813711.10 ppb
2018-12-1710978511.50 ppb
2019-03-1111087400.470 ppb
2019-06-1811288441.70 ppb
2019-09-1611482150.840 ppb
2019-12-0911644940.280 ppb
2020-06-1611937841.20 ppb
2020-09-1512148131.20 ppb
2020-12-1512324511.000 ppb
2021-03-1512438230.860 ppb
2021-03-1512438230.860 ppb
2021-06-1512593781.000 ppb
2021-11-0812883941.000 ppb
2022-01-1912966850.920 ppb
2022-05-0313111241.10 ppb
2022-09-2113383612.50 ppb
2022-10-2013451961.40 ppb
2023-01-25CB00795-02ND
2023-01-26CB00861-02ND
2023-02-08CB01247-010.920 ppb
2023-06-12CB06321-091.20 ppb
2023-11-07CB13662-011.50 ppb