OHA Drinking Water Services
OR41
PWS ID: 92152 ---- CASCADE PACIFIC PULP LLC
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 WILLAMETTE RIVER SW Permanent 4 quarters 1/1/2023 5/6/2025 9/8/2025 12/2/2025
For each active entry point served by surface water, collect 4 consecutive quarters of samples within a 12-month period with samples collected 2 to 4 months apart.


Sample Summaries
For compliance? EP ID Entry point name Sample date # Detections # MCL
exceedances		 Sample ID
No EP-A EP for WILLAMETTE RIVER 02/17/2022 0 0 2202094-01RE1
Yes EP-A EP for WILLAMETTE RIVER 05/06/2025 0 0 K2504629-002-P
Yes EP-A EP for WILLAMETTE RIVER 09/08/2025 0 0 K2509144-002-P
Yes EP-A EP for WILLAMETTE RIVER 12/02/2025 0 0 K2512091-002-P


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 WILLAMETTE RIVER 02/17/2022 03/29/2022 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243207 No 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243141 No 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243152 No 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243130 No 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243196 No 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243185 No 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 101 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243174 No 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2819 PFBA Perfluorobutanoic acid ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243163 No 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2801 PFBS Perfluorobutanesulfonic acid ND 40.5 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243317 No 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2807 PFDA Perfluorodecanoic acid ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243251 No 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2808 PFDoA Perfluorododecanoic acid ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243240 No 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243086 No 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2802 PFHpA Perfluoroheptanoic acid ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243306 No 2802 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2829 PFHpS Perfluoroheptanesulfonic acid ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243064 No 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2809 PFHxA Perfluorohexanoic acid ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243229 No 2809 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2803 PFHxS Perfluorohexanesulfonic acid ND 10 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243295 No 2803M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 20.3 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243097 No 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 40.5 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243119 No 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2804 PFNA Perfluorononanoic acid ND 10 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243284 No 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2806 PFOA Perfluorooctanoic acid ND 4.0 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243262 No 2806M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243273 No 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2824 PFPeA Perfluoropentanoic acid ND 101 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243108 No 2824 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2828 PFPeS Perfluoropentanesulfonic acid ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243075 No 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP for WILLAMETTE RIVER 02/17/2022 03/29/2022 2812 PFUnA Perfluoroundecanoic acid ND 10.1 2202094-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 15406 2451387 3243218 No 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 05/06/2025 05/13/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.00 K2504629-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 2983079 3933680 Yes 2816M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 05/06/2025 05/13/2025 2801 PFBS Perfluorobutanesulfonic acid ND 0.890 K2504629-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 2983079 3933725 Yes 2801M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 05/06/2025 05/13/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 0.910 K2504629-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 2983079 3933716 Yes 2803M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 05/06/2025 05/13/2025 2804 PFNA Perfluorononanoic acid ND 10 1.00 K2504629-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 2983079 3933707 Yes 2804M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 05/06/2025 05/13/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 1.00 K2504629-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 2983079 3933689 Yes 2806M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 05/06/2025 05/13/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 0.920 K2504629-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 2983079 3933698 Yes 2805M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 09/08/2025 01/07/2026 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.00 K2509144-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 3041758 4030431 Yes 2816M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 09/08/2025 01/07/2026 2801 PFBS Perfluorobutanesulfonic acid ND 1.00 K2509144-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 3041758 4030516 Yes 2801M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 09/08/2025 01/07/2026 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.00 K2509144-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 3041758 4030499 Yes 2803M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 09/08/2025 01/07/2026 2804 PFNA Perfluorononanoic acid ND 10 1.00 K2509144-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 3041758 4030482 Yes 2804M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 09/08/2025 01/07/2026 2806 PFOA Perfluorooctanoic acid ND 4.0 1.00 K2509144-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 3041758 4030448 Yes 2806M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 09/08/2025 01/07/2026 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.00 K2509144-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 3041758 4030465 Yes 2805M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 12/02/2025 01/07/2026 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.00 K2512091-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 3041763 4030436 Yes 2816M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 12/02/2025 01/07/2026 2801 PFBS Perfluorobutanesulfonic acid ND 1.00 K2512091-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 3041763 4030521 Yes 2801M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 12/02/2025 01/07/2026 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.00 K2512091-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 3041763 4030504 Yes 2803M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 12/02/2025 01/07/2026 2804 PFNA Perfluorononanoic acid ND 10 1.00 K2512091-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 3041763 4030487 Yes 2804M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 12/02/2025 01/07/2026 2806 PFOA Perfluorooctanoic acid ND 4.0 1.00 K2512091-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 3041763 4030453 Yes 2806M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS
Yes EP-A EP for WILLAMETTE RIVER 12/02/2025 01/07/2026 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.00 K2512091-002-P WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS 15406 3041763 4030470 Yes 2805M N WA100010 ALS ENVIRONMENTAL - KELSO 537.1 PFAS SPE LC/MS/MS


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