Document mm5XwYXnXB3Vmn572wdN8jbob

Off-site sampling of PFOA, PFBS, PFFIS, and PFOS concentrations. Decatur, Alabama Sample ID DAL-LCH-MCLF-0-050609 DPWS-WW-DCTP01 -0-050503 DPWS-SL-DCTP01 -0-050503 DAL-GWS-604S-0-061201 DAL-GWS-604L-0-061201 DAL-SB-601R-0-0010 DAL-SB-604R-0-0100 DAL-SB-605R-0-0010 DPWS-SL-DCTP01 -0-0000 Average PFOA (ppb) 43.1 17.4 605 0.598 1.51 1.82 0.356 2.98 1875 Average PFBS (ppb) 9.17 0.102 <1.59 NR NR <0.350 <1.06 / ND 30 Average PFHS (ppb) 17.0 0.297 14.3 0.159 0.211 ND ND ND 5.24 Average PFOS (ppb) 43.2 2.85 NR 0.0548 0.727 6.04 ND 8.79 1400 Description Morgan County Landfill Leachate City of Decatur Dry Creek Wastewater Treatment Plant, Effluent City of Decatur Dry Creek Wastewater Treatment Plant, Sludge1 Offsite Groundwater Immediately South of 3M Decatur Facility Offsite Soil Immediately West of 3M Decatur Facility2 Offsite Soil Immediately South of 3M Decatur Facility2 Offsite Soil Immediately East of 3M Decatur Facility2 City of Decatur Dry Creek Wastewater Treatment Plant, Sludge3 Note: values reported are the average of the sample, a laboratory duplicate and a field duplicate unless otherwise noted. NR - Not reported due to quality control failures. ND - Not detected at or above the Limit of Quantitation of 0.2 ng/g (wet weight). Data previously submitted. Provided in this tdblSforeom pieteol^( 4 1. Sludge results are expressed in ppb (ng/g) dry weight and represent a sample and field duplicate, both of which also had laboratory duplicates analyzed. 2. Soil results are expressed in ppb (ng/g) dry weight and represent a sample and laboratory duplicate. 3. Sludge results are expressed in ppb (ng/g) dry weight and represent a sample and laboratory duplicate. Jb <J\ t