Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Hoosick Falls

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.

 

77

Samples

0

Samples exceeding legal limit (MCL)

14

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
20210.381 ppt327ND - 1.80 ppt
20220.0240 ppt261ND - 0.630 ppt
20230.547 ppt196ND - 1.80 ppt

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
2021-02-04410-28622-11.80 ppt
2021-02-04410-28622-41.80 ppt
2021-02-04410-28622-7-P25ND
2021-02-04410-28622-31.70 ppt
2021-02-04410-28622-8-FTBND
2021-02-04410-28622-9-LTBND
2021-02-04410-28622-21.70 ppt
2021-02-04410-28622-5-50ND
2021-02-04410-28622-6-75ND
2021-03-04410-31382-1ND
2021-03-04410-31382-3ND
2021-03-04410-31382-2ND
2021-05-18410-40418-3ND
2021-05-18410-40418-2ND
2021-05-18410-40418-11.70 ppt
2021-06-03410-42452-2ND
2021-06-03410-42452-3ND
2021-06-03410-42452-1ND
2021-07-01410-45809-2ND
2021-07-01410-45809-3ND
2021-07-01410-45809-1ND
2021-08-05410-50447-1ND
2021-08-05410-50447-3ND
2021-09-02410-53847-1ND
2021-09-02410-53847-2ND
2021-09-02410-53847-3ND
2021-09-24410-56678-1ND
2021-10-07410-58350-3ND
2021-11-18410-64207-11.80 ppt
2021-12-02410-65486-11.70 ppt
2021-12-16410-67377-3ND
2021-12-29GAC INFLUENTND
2022-01-13GAC INFLUENTND
2022-02-03410-71774-1ND
2022-03-03GAC INFLUENT030322ND
2022-03-07JH22017460.630 ppt
2022-03-07JH2201745ND
2022-03-07JH2201744ND
2022-04-07410-79423-3ND
2022-04-07410-79423-1ND
2022-05-05410-83056-1ND
2022-05-05410-83056-2ND
2022-05-05410-83056-3ND
2022-07-07410-90405-2ND
2022-07-07410-90405-1ND
2022-07-07410-90405-3ND
2022-07-07410-090405-1ND
2022-07-21410-92065-1ND
2022-08-18410-95085-2ND
2022-08-18410-95085-1ND
2022-08-18410-95085-3ND
2022-09-01410-96682-3ND
2022-09-01410-96682-5ND
2022-09-01410-96682-4ND
2022-09-26410-99464-1ND
2022-10-06410-101220-1ND
2022-12-01410-107636-1ND
2022-12-01410-107636-3ND
2023-01-05410-111429-1AND
2023-02-02410-114241-1ND
2023-03-02410-117488-1ND
2023-03-16410-119243-2ND
2023-03-16410-119243-1ND
2023-03-30410-120972-1ND
2023-03-30410-120972-2ND
2023-04-27410-124754-2ND
2023-06-01410-129018-2ND
2023-06-01410-129018-1ND
2023-07-06410-133677-1ND
2023-08-03410137604-31.70 ppt
2023-08-03410137604-21.70 ppt
2023-08-03410137604-11.80 ppt
2023-10-17410-147466-1-MID1.70 ppt
2023-11-28112823-PRE1.80 ppt
2023-11-28410-152696-3-POST1.70 ppt
2023-12-14410-154873-1-PREND
2023-12-14410-154873-3-POSTND