OHA Drinking Water Services
OR41
PWS ID: 91953 ---- SKYLINE ELEMENTARY SD 1J
PFAS Sample Results

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Initial Monitoring
EP ID Entry point name Water
type		 Availability Frequency Schedule
begin		 Schedule
end		 First quarter or
First sample		 Second quarter or
Second sample		 Third
quarter		 Fourth
quarter
EP-A EP for WELL GW Permanent 2 samples 1/1/2023 N/A N/A
For each active entry point served by groundwater, collect 2 consecutive samples within a 12-month period with samples collected 5 to 7 months apart.


Sample Summaries
For compliance? EP ID Entry point name Sample date # Detections # MCL
exceedances		 Sample ID
No EP-A EP for WELL 08/28/2025 1 0 2508266-01


Sample Results
For compliance? EP ID
Entry point 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969303 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969195 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969213 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969177 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969285 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969267 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969249 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969087 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 5.74 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969231 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969483 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969375 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969357 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969105 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969465 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969051 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 ND 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969339 No 2809 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 2803 PFHxS Perfluorohexanesulfonic acid 3.86 10 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969447 No 2803M 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 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969123 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969159 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969429 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 ND 4.0 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969393 No 2806M 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 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969411 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 ND 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969141 No 2824 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 2828 PFPeS Perfluoropentanesulfonic acid ND 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969069 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 2.30 2508266-01 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 14203 3004535 3969321 No 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS


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