Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Riverdale Park Tract Community Services District

Perfluorononanoic acid, otherwise known as PFNA or C9, is a PFC similar in function and use to PFOA. These chemicals were used in the production of non-stick, stain repellent and chemically inert coatings. Click here to read more about perfluorinated chemicals.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND30ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND40ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.006 ppt

The EWG Health Guideline of 6 ppt for perfluorononanoic acid was defined by EPA recommended application of the toxicity value for PFDA published in the Integrated Risk Information System’s toxicological review . This health guideline harm to the immune system and harm to fetal growth and child development.

EPA Maximum Contaminant
Level (MCL): 10 ppt

ppt = parts per trillion

All test results

Date Lab ID Result
2019-06-18CA5000019_003_003-201906181030ND
2019-09-10CA5000019_003_003-201909101745ND
2019-12-20CA5000019_003_003-201912201101ND
2020-03-30CA5000019_003_003-202003301133ND
2020-04-27CA5000019_003_003-202004271000ND
2020-07-21CA5000019_003_003-202007210800ND
2020-10-07CA5000019_003_003-202010071140ND
2021-01-27CA5000019_003_003-202101270915ND
2021-04-14CA5000019_003_003-202104140929ND
2021-07-21CA5000019_003_003-202107210841ND
2021-10-27CA5000019_003_003-202110271040ND
2022-01-11CA5000019_003_003-202201111000ND
2022-04-11CA5000019_003_003-202204111246ND
2022-07-13CA5000019_003_003-202207131010ND
2022-10-03CA5000019_003_003-202210031350ND
2023-01-03CA5000019_003_003-202301031254ND
2023-05-22CA5000019_003_003-202305221000ND
2023-07-11CA5000019_003_003-202307111400ND
2023-10-03CA5000019_003_003-202310031245ND