OHA Drinking Water Services
OR41
PWS ID: 00851 ---- SWEET HOME, CITY OF
PFAS Sample Results

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Sample Summaries
For Compliance? Facility ID Facility Name Sample Date # Detections # MCL
Exceedances
Sample ID
Yes EP-B EP FOR FOSTER LAKE DAM 09/18/2024 0 0 121078P
Yes EP-B EP FOR FOSTER LAKE DAM 03/12/2024 0 0 114711P
Yes EP-B EP FOR FOSTER LAKE DAM 06/19/2024 0 0 117415P

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
Yes EP-B EP FOR FOSTER LAKE DAM 03/12/2024 09/04/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.70 114711P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021156 4000887 Yes 2816M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 03/12/2024 09/04/2025 2801 PFBS Perfluorobutanesulfonic acid ND 1.00 114711P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021156 4001371 Yes 2801M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 03/12/2024 09/04/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.00 114711P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021156 4001272 Yes 2803M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 03/12/2024 09/04/2025 2804 PFNA Perfluorononanoic acid ND 10 1.30 114711P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021156 4001175 Yes 2804M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 03/12/2024 09/04/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 1.30 114711P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021156 4000985 Yes 2806M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 03/12/2024 09/04/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.30 114711P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021156 4001083 Yes 2805M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 06/19/2024 09/04/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.70 117415P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021164 4000890 Yes 2816M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 06/19/2024 09/04/2025 2801 PFBS Perfluorobutanesulfonic acid ND 1.00 117415P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021164 4001378 Yes 2801M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 06/19/2024 09/04/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.00 117415P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021164 4001282 Yes 2803M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 06/19/2024 09/04/2025 2804 PFNA Perfluorononanoic acid ND 10 1.30 117415P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021164 4001185 Yes 2804M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 06/19/2024 09/04/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 1.30 117415P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021164 4000988 Yes 2806M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 06/19/2024 09/04/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.30 117415P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021164 4001087 Yes 2805M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 09/18/2024 09/04/2025 2816 HFPO-DA Hexafluoropropylene oxide dimer acid ND 10 1.70 121078P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021163 4000888 Yes 2816M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 09/18/2024 09/04/2025 2801 PFBS Perfluorobutanesulfonic acid ND 1.00 121078P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021163 4001377 Yes 2801M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 09/18/2024 09/04/2025 2803 PFHxS Perfluorohexanesulfonic acid ND 10 1.00 121078P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021163 4001280 Yes 2803M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 09/18/2024 09/04/2025 2804 PFNA Perfluorononanoic acid ND 10 1.30 121078P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021163 4001182 Yes 2804M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 09/18/2024 09/04/2025 2806 PFOA Perfluorooctanoic acid ND 4.0 1.30 121078P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021163 4000986 Yes 2806M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS
Yes EP-B EP FOR FOSTER LAKE DAM 09/18/2024 09/04/2025 2805 PFOS Perfluorooctanesulfonic acid ND 4.0 1.30 121078P 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS 23140 3021163 4001084 Yes 2805M N 4034 EUROFINS EATON ANALYTICAL EPA 533 PFAS ISOTOPE DILUTION AEX SPE LC/MS/MS



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