| 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-D | EP FOR SOUTH YAMHILL RIVER | SW | Permanent | 4 quarters | 1/1/2023 | 9/4/2025 | ||||
| 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. |
||||||||||
| For compliance? | EP ID | Entry point name | Sample date | # Detections | # MCL exceedances |
Sample ID |
|---|---|---|---|---|---|---|
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 0 | 0 | 2201064-01 |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 0 | 0 | 2509070-01 |
| 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-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2813 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3226033 | No | 2813 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2821 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3225925 | No | 2821 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2820 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3225943 | No | 2820 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2822 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3225907 | No | 2822 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2814 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3226015 | No | 2814 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2815 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3225997 | No | 2815 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2816 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10 | 105 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3225979 | No | 2816M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2819 | PFBA | Perfluorobutanoic acid | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3225961 | No | 2819 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2801 | PFBS | Perfluorobutanesulfonic acid | ND | 41.8 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3226213 | No | 2801M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2807 | PFDA | Perfluorodecanoic acid | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3226105 | No | 2807 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2808 | PFDoA | Perfluorododecanoic acid | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3226087 | No | 2808 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2826 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3225835 | No | 2826 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2802 | PFHpA | Perfluoroheptanoic acid | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3226195 | No | 2802 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2829 | PFHpS | Perfluoroheptanesulfonic acid | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3225799 | No | 2829 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2809 | PFHxA | Perfluorohexanoic acid | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3226069 | No | 2809 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2803 | PFHxS | Perfluorohexanesulfonic acid | ND | 10 | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3226177 | No | 2803M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2825 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 20.9 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3225853 | No | 2825 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2823 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 41.8 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3225889 | No | 2823 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2804 | PFNA | Perfluorononanoic acid | ND | 10 | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3226159 | No | 2804M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2806 | PFOA | Perfluorooctanoic acid | ND | 4.0 | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3226123 | No | 2806M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2805 | PFOS | Perfluorooctanesulfonic acid | ND | 4.0 | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3226141 | No | 2805M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2824 | PFPeA | Perfluoropentanoic acid | ND | 105 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3225871 | No | 2824 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2828 | PFPeS | Perfluoropentanesulfonic acid | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3225817 | No | 2828 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| No | EP-D | EP FOR SOUTH YAMHILL RIVER | 01/12/2022 | 02/18/2022 | 2812 | PFUnA | Perfluoroundecanoic acid | ND | 10.5 | 2201064-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 2438578 | 3226051 | No | 2812 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2813 | 11Cl-PF3OUdS | 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000117 | Yes | 2813 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2821 | 4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000069 | Yes | 2821 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2820 | 6:2FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000077 | Yes | 2820 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2822 | 8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000061 | Yes | 2822 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2814 | 9Cl-PF3ONS | 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000109 | Yes | 2814 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2815 | ADONA | 4,8-Dioxa-3H-perfluorononanoic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000101 | Yes | 2815 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2816 | HFPO-DA | Hexafluoropropylene oxide dimer acid | ND | 10 | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000093 | Yes | 2816M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2827 | NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000021 | Yes | 2827 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2819 | PFBA | Perfluorobutanoic acid | ND | 5.04 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000085 | Yes | 2819 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2801 | PFBS | Perfluorobutanesulfonic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000197 | Yes | 2801M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2807 | PFDA | Perfluorodecanoic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000149 | Yes | 2807 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2808 | PFDoA | Perfluorododecanoic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000141 | Yes | 2808 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2826 | PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000029 | Yes | 2826 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2802 | PFHpA | Perfluoroheptanoic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000189 | Yes | 2802 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2829 | PFHpS | Perfluoroheptanesulfonic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000005 | Yes | 2829 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2809 | PFHxA | Perfluorohexanoic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000133 | Yes | 2809 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2803 | PFHxS | Perfluorohexanesulfonic acid | ND | 10 | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000181 | Yes | 2803M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2825 | PFMBA | Perfluoro-4-methoxybutanoic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000037 | Yes | 2825 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2823 | PFMPA | Perfluoro-3-methoxypropanoic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000053 | Yes | 2823 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2804 | PFNA | Perfluorononanoic acid | ND | 10 | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000173 | Yes | 2804M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2806 | PFOA | Perfluorooctanoic acid | ND | 4.0 | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000157 | Yes | 2806M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2805 | PFOS | Perfluorooctanesulfonic acid | ND | 4.0 | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000165 | Yes | 2805M | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2824 | PFPeA | Perfluoropentanoic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000045 | Yes | 2824 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2828 | PFPeS | Perfluoropentanesulfonic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000013 | Yes | 2828 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | |
| Yes | EP-D | EP FOR SOUTH YAMHILL RIVER | 09/04/2025 | 12/05/2025 | 2812 | PFUnA | Perfluoroundecanoic acid | ND | 2.02 | 2509070-01 | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS | 12242 | 3023366 | 4000125 | Yes | 2812 | N | 18 | DEQ LABORATORY DIVISION | 533 | PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS |