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Decatur,City of,Mound School Bodine Project#114675 <br /> Phase II Subsurface Investigation Report August 29 2003 <br /> On August 2, 2003,the samples were relinquished to PDC Laboratories, Inc. courier <br /> under the Chain of Custody. Samples arrived at the laboratory and were logged into the <br /> laboratory system on August 2, 2003. Pursuant to the Service Agreement,the laboratory <br /> conducted the analysis of the samples for BTEX and PAHs. Bodine received the <br /> laboratory report, with the original Chain of Custody on August 15, 2003, Attachment B. <br /> 5.3 Data Review: <br /> Bodine completed a review of the data for samples NSW, SW, EW, WW and WM. All <br /> samples for BTEX and PAH compounds were reported by the laboratory as not detected <br /> at the laboratory reporting limit. The laboratory report, Attachment B, indicates <br /> reporting limits and concentrations far both dry weight and wet weight measurements. <br /> Accordin to re lato idelines sam le results re orted as d wei t are to be used <br /> , rY � <br /> g � rY� P P <br /> to compare to the IEPA TACO SROs. The laboratory reported no data qualifications in <br /> the analysis of the samples. <br /> 5.4 Findings & Conclusions: <br /> Based upon review of the laboratory reported concentrations for BTEX and PAH <br /> analysis, Bodine finds that all locations indicate concentrations below the laboratory <br /> reporting limits and, consequently,below the IEPA TACO Tier 1 SRO. There is no <br /> indication that a release has occurred. <br /> Physical observations during installation of the borings appear to indicate the UST was <br /> removed and backfilled with a clayey, silty sand material encountered when advancing <br /> borings. This observation is also supported by the fact that there were no observable vent <br /> and fill pipes remaining. <br /> Bodine appreciates the opportunity to conduct the subsurface investigation. If you need <br /> additional information, or have any questions,please contact the undersigned Consulting <br /> Services Manager at 217-428-3629. <br /> Sincerely, <br /> BODINE ENVIRONMENTAL SERVICES,INC. <br /> ''���� � � <br /> Stephen D.Nussbaum,P.E. <br /> Consulting Services Manager <br /> Attachments: A- Site Diagrams <br /> B -Laboratory Report and Chain of Custody <br /> C-Tables <br /> D-Access Agreement,Decatur Public School District <br /> 9 <br /> BC)f�IfJF.: t�NVlRONME.NrAL SERVICES, INC.��____- __�____�__ <br />