Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Dykeer Water Company

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.

 

79

Samples

0

Samples exceeding legal limit (MCL)

33

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
20210.470 ppt3014ND - 1.44 ppt
20220.494 ppt2614ND - 1.22 ppt
20230.609 ppt235ND - 3.60 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
2021-01-07L2100951-03-PFASND
2021-01-07L2100951-04-PFASND
2021-01-07L2100951-05-PFASND
2021-01-07L2100951-02-PFASND
2021-01-21L2103262-04-PFASND
2021-01-21L2103262-05-PFASND
2021-01-21L2103262-02-PFASND
2021-01-21L2103262-03-PFASND
2021-05-04L2123105-04-PFASND
2021-05-04L2123105-02-PFASND
2021-05-04L2123105-03-PFASND
2021-05-04L2123105-05-PFASND
2021-06-01L2129157-02-PFASND
2021-06-01L2129157-04-PFASND
2021-06-01L2129157-03-PFASND
2021-06-01L2129157-05-PFASND
2021-07-20L2138909-05-PFAS0.986 ppt
2021-07-20L2138909-03-PFAS0.588 ppt
2021-07-20L2138909-02-PFAS1.18 ppt
2021-07-20L2138909-04-PFAS0.920 ppt
2021-08-11L2143190-04-PFAS0.967 ppt
2021-08-11L2143190-02-PFAS1.26 ppt
2021-08-11L2143190-05-PFAS1.18 ppt
2021-08-11L2143190-03-PFAS0.797 ppt
2021-12-01L2166855-04-PFAS1.44 ppt
2021-12-01L2166855-02-PFAS1.12 ppt
2021-12-01L2166855-03-PFAS0.626 ppt
2021-12-28L2171316-02-PFAS0.710 ppt
2021-12-28L2171316-03-PFAS1.15 ppt
2021-12-28L2171316-01-PFAS1.18 ppt
2022-02-15L2209126-03-PFAS1.07 ppt
2022-02-15L2209126-02-PFAS0.635 ppt
2022-02-15L2209126-01-PFAS1.18 ppt
2022-03-20L2214677-03-PFASND
2022-03-20L2214677-02-PFAS1.09 ppt
2022-03-20L2214677-04-PFAS1.12 ppt
2022-06-19L2232816-03-PFAS0.880 ppt
2022-06-19L2232816-01-PFAS0.950 ppt
2022-06-19L2232816-02-PFAS0.620 ppt
2022-06-26L2234235-01-PFAS0.980 ppt
2022-06-26L2234235-02-PFAS0.740 ppt
2022-06-26L2234235-03-PFAS0.850 ppt
2022-07-2570223506001-PFASND
2022-07-2570223506003-PFASND
2022-07-2570223506002-PFASND
2022-08-0970225337001-PFASND
2022-08-0970225337002-PFASND
2022-08-0970225337003-PFASND
2022-10-30L2261019-01-PFAS0.700 ppt
2022-10-30L2261019-02-PFAS0.800 ppt
2022-10-30L2261019-03-PFAS1.22 ppt
2022-12-1422L1983-03-PFASND
2022-12-1422L1983-07-PFASND
2022-12-1422L1983-01-PFASND
2022-12-1422L1983-05-PFASND
2022-12-1422L1983-09-PFASND
2023-02-0223B0338-01-PFASND
2023-02-0223B0336-04-PFASND
2023-02-0223B0336-18-PFASND
2023-02-0223B0336-08-PFASND
2023-02-0223B0336-06-PFASND
2023-04-1923D2193-18-PFASND
2023-04-1923D2183-03-PFASND
2023-04-1923D2193-16-PFASND
2023-04-1923D2183-01-PFAS2.40 ppt
2023-04-1923D2193-14-PFAS2.80 ppt
2023-04-1923D2183-05-PFASND
2023-07-1923G2523-15-PFAS2.70 ppt
2023-07-1923G2523-13-PFAS3.60 ppt
2023-07-1923G2523-17-PFASND
2023-07-1923G2523-11-PFASND
2023-07-1923G2523-07-PFASND
2023-07-1923G2523-09-PFASND
2023-10-1323J2005-08-PFASND
2023-10-1323J2005-02-PFASND
2023-10-1323J2005-12-PFASND
2023-10-1323J2005-06-PFASND
2023-10-1323J2005-04-PFASND
2023-10-1323J2005-10-PFAS2.50 ppt