OHA Drinking Water Services
OR41
PWS ID: 00717 ---- GREEN AREA WATER & SANITARY AUTHORITY
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 SOUTH UMPQUA RIVER SW Permanent 4 quarters 1/1/2023 12/31/2024 1/22/2024 4/24/2024 7/22/2024 10/23/2024
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 SOUTH UMPQUA RIVER 02/18/2022 0 0 2202102-01RE1
Yes EP-A EP FOR SOUTH UMPQUA RIVER 07/22/2024 0 0 118948P
Yes EP-A EP FOR SOUTH UMPQUA RIVER 10/23/2024 0 0 122058P
Yes EP-A EP FOR SOUTH UMPQUA RIVER 01/22/2024 0 0 112233P
Yes EP-A EP FOR SOUTH UMPQUA RIVER 04/24/2024 0 0 115870P


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 SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2813 11Cl-PF3OUdS 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243205 No 2813 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2821 4:2FTS 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243139 No 2821 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2820 6:2FTS 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243150 No 2820 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2822 8:2FTS 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243128 No 2822 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2814 9Cl-PF3ONS 9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acd ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243194 No 2814 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2815 ADONA 4,8-Dioxa-3H-perfluorononanoic acid ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243183 No 2815 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 102 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243172 No 2816M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2819 PFBA Perfluorobutanoic acid ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243161 No 2819 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2801 PFBS Perfluorobutanesulfonic acid ND 40.6 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243315 No 2801M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2807 PFDA Perfluorodecanoic acid ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243249 No 2807 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2808 PFDoA Perfluorododecanoic acid ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243238 No 2808 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2826 PFEESA Perfluoro(2-ethoxyethane)sulfonic acid ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243084 No 2826 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2802 PFHpA Perfluoroheptanoic acid ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243304 No 2802 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2829 PFHpS Perfluoroheptanesulfonic acid ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243062 No 2829 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2809 PFHxA Perfluorohexanoic acid ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243227 No 2809 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2803 PFHxS Perfluorohexanesulfonic acid ND 10 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243293 No 2803M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2825 PFMBA Perfluoro-4-methoxybutanoic acid ND 20.3 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243095 No 2825 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2823 PFMPA Perfluoro-3-methoxypropanoic acid ND 40.6 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243117 No 2823 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2804 PFNA Perfluorononanoic acid ND 10 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243282 No 2804M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2806 PFOA Perfluorooctanoic acid ND 4.0 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243260 No 2806M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243271 No 2805M N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2824 PFPeA Perfluoropentanoic acid ND 102 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243106 No 2824 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2828 PFPeS Perfluoropentanesulfonic acid ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243073 No 2828 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
No EP-A EP FOR SOUTH UMPQUA RIVER 02/18/2022 03/29/2022 2812 PFUnA Perfluoroundecanoic acid ND 10.2 2202102-01RE1 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 2451385 3243216 No 2812 N 18 DEQ LABORATORY DIVISION 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 01/22/2024 09/04/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.70 112233P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021257 4000818 Yes 2816M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 01/22/2024 09/04/2025 2801 PFBS Perfluorobutanesulfonic acid ND 1.00 112233P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021257 4001308 Yes 2801M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 01/22/2024 09/04/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.00 112233P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021257 4001210 Yes 2803M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 01/22/2024 09/04/2025 2804 PFNA Perfluorononanoic acid ND 10 1.30 112233P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021257 4001112 Yes 2804M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 01/22/2024 09/04/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 1.30 112233P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021257 4000916 Yes 2806M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 01/22/2024 09/04/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.30 112233P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021257 4001014 Yes 2805M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 04/24/2024 09/04/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.70 115870P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021259 4000820 Yes 2816M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 04/24/2024 09/04/2025 2801 PFBS Perfluorobutanesulfonic acid ND 1.00 115870P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021259 4001310 Yes 2801M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 04/24/2024 09/04/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.00 115870P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021259 4001212 Yes 2803M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 04/24/2024 09/04/2025 2804 PFNA Perfluorononanoic acid ND 10 1.30 115870P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021259 4001114 Yes 2804M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 04/24/2024 09/04/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 1.30 115870P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021259 4000918 Yes 2806M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 04/24/2024 09/04/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.30 115870P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021259 4001016 Yes 2805M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 07/22/2024 09/04/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.70 118948P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021260 4000821 Yes 2816M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 07/22/2024 09/04/2025 2801 PFBS Perfluorobutanesulfonic acid ND 1.00 118948P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021260 4001311 Yes 2801M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 07/22/2024 09/04/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.00 118948P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021260 4001213 Yes 2803M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 07/22/2024 09/04/2025 2804 PFNA Perfluorononanoic acid ND 10 1.30 118948P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021260 4001115 Yes 2804M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 07/22/2024 09/04/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 1.30 118948P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021260 4000919 Yes 2806M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 07/22/2024 09/04/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.30 118948P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021260 4001017 Yes 2805M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 10/23/2024 09/04/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.70 122058P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021258 4000819 Yes 2816M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 10/23/2024 09/04/2025 2801 PFBS Perfluorobutanesulfonic acid ND 1.00 122058P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021258 4001309 Yes 2801M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 10/23/2024 09/04/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.00 122058P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021258 4001211 Yes 2803M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 10/23/2024 09/04/2025 2804 PFNA Perfluorononanoic acid ND 10 1.30 122058P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021258 4001113 Yes 2804M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 10/23/2024 09/04/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 1.30 122058P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021258 4000917 Yes 2806M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-A EP FOR SOUTH UMPQUA RIVER 10/23/2024 09/04/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.30 122058P 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 12278 3021258 4001015 Yes 2805M N 4035 BABCOCK LABORTORIES, INC. EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS


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