OHA Drinking Water Services
OR41
PWS ID: 90590 ---- SAUVIE ISLAND SCHOOL
PFAS Sample Results

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Sample Summaries
For Compliance? Facility ID Facility Name Sample Date # Detections # MCL
Exceedances		 Sample ID
No EP-A EP for WELL 08/28/2025 4 2 2508268-01

Sample Results
For Compliance? Facility ID
Facility Name Sample Date Received Date Analyte
Code		 Analyte Abbreviation
 Analyte Name
Result (ng/L)
MCL
(ng/L)		 MRL
(ng/L)		 Sample ID Lab ID Lab Name Analysis Method Method Name TINWSF
ISN		 TSASAMPL
ISN		 TSASAR
ISN		 SelectDataSet SelectAnalyte SelectDetects SelectLabID SelectLabName SelectMethod SelectMethodName
No EP-A EP for WELL 08/28/2025 10/20/2025 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969513 No 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969501 No 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969503 No 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969499 No 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969511 No 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969509 No 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969507 No 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2827 NFDHA Nonafluoro-3,6-dioxaheptanoic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969489 No 2827 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2819 PFBA Perfluorobutanoic acid ND 5.64 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969505 No 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2801 PFBS Perfluorobutanesulfonic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969533 No 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2807 PFDA Perfluorodecanoic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969521 No 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2808 PFDoA Perfluorododecanoic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969519 No 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969491 No 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2802 PFHpA Perfluoroheptanoic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969531 No 2802 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2829 PFHpS Perfluoroheptanesulfonic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969485 No 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2809 PFHxA Perfluorohexanoic acid 7.76 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969517 No 2809 D 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2803 PFHxS Perfluorohexanesulfonic acid 36.2 10 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969529 No 2803M DE 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969493 No 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969497 No 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2804 PFNA Perfluorononanoic acid ND 10 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969527 No 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2806 PFOA Perfluorooctanoic acid 7.09 4.0 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969523 No 2806M DE 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969525 No 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2824 PFPeA Perfluoropentanoic acid 5.39 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969495 No 2824 D 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2828 PFPeS Perfluoropentanesulfonic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969487 No 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WELL 08/28/2025 10/20/2025 2812 PFUnA Perfluoroundecanoic acid ND 2.25 2508268-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 13707 3004537 3969515 No 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS


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