REVISED ASBESTOS AND LEAD-BASED PAINT SURVEYS REPORT BUILDING 3285 SCOTT AIR FORCE BASE, ILLINOIS

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1 REVISED ASBESTOS AND LEAD-BASED PAINT SURVEYS REPORT BUILDING 3285 SCOTT AIR FORCE BASE, ILLINOIS Prepared for: KUHLMANN DESIGN GROUP Maryland Heights, Missouri Prepared by: GEOTECHNOLOGY, INC. St. Louis, Missouri Geotechnology, Inc. Project No. J December 31, 2014 Doc/proj/del/J SAFB ACM LBP Revised.doc

2 December 31, 2014 J Revised Mr. Darrell Abernathy Kuhlmann design Group 66 Progress Parkway Maryland Heights, Missouri Re: Revised Asbestos and Lead-Based Paint Surveys Report Building 3285 Scott Air Force Base, Illinois Dear Mr. Abernathy: In accordance with our proposal P , dated September 23, 2014, Geotechnology, Inc. (Geotechnology) is pleased to provide this revised asbestos and lead-based paint survey report for the referenced project. The scope of our services included a site survey and material sampling of suspect asbestos containing materials (ACM), lead-based paint (LBP) survey by X-ray fluorescence (XRF) spectrum analyzer, laboratory analysis of sampled materials, and letter report. This revised report replaces the previously submitted Asbestos and Lead-Based Paint Surveys Report issued by Geotechnology and dated October 23, SITE AND PROJECT DESCRIPTION The site consists of the small arms firing range Building 3285 at Scott Air Force Base in Illinois. The building is approximately 10,900 square feet in area and consists of a classroom, restrooms, storage areas, firing range, and bullet trap. It is our understanding that demolition/renovations activities are planned for the site structure. The purpose of the asbestos and lead-based paint surveys was to identify building materials or components that may require abatement prior to demolition. A topographic map showing the site location is included as Plate 1. ASBESTOS SURVEY The objective of the asbestos survey was to identify potential ACM in suspect building materials located within the subject building. In general conformance with the National Emission Standards for Hazardous Air Pollutants (NESHAPs) and the Illinois Department of Public Health (IDPH) requirements, the survey was conducted on October 15 and December 23, 2014, by Mr. Vince Epps, an Illinois-licensed asbestos inspector. Copies of Mr. Epps training certificate and asbestos inspector license are included in Appendix A.

3 Kuhlmann design Group J December 31, 2014 Revised Page 2 Samples were collected in conformance with the NESHAPs. The identified suspect ACM were subdivided into homogeneous areas (an area of surfacing material, thermal system insulation material or miscellaneous material that is uniform in color and texture). According to standard industry protocol, the appropriate number of samples was collected from each of the identified homogeneous areas. Using standard chain-of-custody protocol, the samples were submitted to Schneider Laboratories Global, Inc. of Richmond, Virginia, a National Voluntary Laboratory Accreditation Program (NVLAP)-accredited laboratory, for identification by Polarized Light Microscopy (PLM) coupled with dispersion staining, according to the improved test method, Method for Determination of Asbestos in Bulk Building Materials (EPA/600/R-93/116). The samples from each homogeneous area were analyzed to identify asbestos content. Separable layered samples were analyzed by layer. Drywall samples were submitted for analysis by the PLM Point Count Method (PTC). A copy of the asbestos survey summary is included in Appendix B. Asbestos Survey Results Laboratory analyses of the submitted samples did not detect the presence of asbestos greater than one percent in the materials sampled. Two fire doors observed during the survey are assumed to contain asbestos. Copies of the laboratory analytical reports are included in Appendix C. A major destructive investigation was not performed. Although a minor destructive survey was performed to attempt to locate suspect ACM above ceilings, within wall cavities, in pipe chases, etc., it is possible that additional suspect ACM, whose existence could not be identified due to inaccessibility, may exist within the surveyed areas. Geotechnology will not be able to represent that the site contains no asbestos beyond that detected or observed by Geotechnology during the survey. Therefore, the above-listed quantities should be considered approximate only. For bidding purposes, we strongly recommend that contractors prepare abatement bids only after conducting site reconnaissance. LEAD-BASED PAINT SURVEY An XRF survey of painted surfaces for the potential presence of lead-based paint was conducted at the subject site on October 15, The survey was performed by Mr. Vince Epps, an Illinois-licensed lead inspector. Copies of Mr. Epps training certificate and inspector license are included in Appendix A. The purpose of the lead-based paint survey is to provide a professional opinion as to the potential extent of lead-based painted components, which may require future remedial action. A Niton XLp-702A XRF spectrum analyzer was used to identify the total lead content of surface coatings (e.g., paints, varnishes, etc.) in units of milligrams of lead per square centimeter of surface area (mg/cm 2 ).

4 Kuhlmann design Group J December 31, 2014 Revised Page 3 Lead-based paint is generally defined as a surface coating containing greater than or equal to 1.0 mg/cm 2 lead. Total lead content should not be confused with Toxicity Characteristic Leaching Procedure (TCLP) lead content, used to determine if lead is present at levels deemed as hazardous (5 ppm). Geotechnology is not aware of a definitive relationship between total lead content and TCLP lead content. The XRF survey of painted surfaces for the potential presence of lead-based paint was conducted in general accordance with the United States Department of Housing and Urban Development (HUD) Guidelines for the Evaluation and Control of Lead-Based Paint Hazards in Housing (HUD Guidelines) of June 1995 (updated September 2012). Lead-Based Paint Survey Results The Niton XLp-702A XRF spectrum analyzer was calibrated against manufacturer-supplied standards at the beginning and end of the survey. Copies of the calibration data are included in the attached field survey data sheets included in Appendix D. A total of 47 XRF readings (including six calibration readings and one incomplete calibration reading) were obtained during the survey. Of the 40 non-calibration readings, zero were positive for lead-based paint and 40 were negative. A copy of the XRF Survey Summary, containing XRF survey data sheets and results, is included in Appendix E. Asbestos RECOMMENDATIONS The results of the survey analyses did not indicate the presence of asbestos greater than one percent in the samples collected from the referenced site. It is our understanding the two fire doors observed during the survey and assumed to contain asbestos will not be disturbed during the proposed renovation/demolition activities. As such, the fire doors may remain in place provided they are not impacted by renovation/demolition activities. If the two fire doors are to be impacted by renovation/demolition activities, a licensed abatement contractor should remove them prior to the planned renovation/demolition activities. The assumed materials could be sampled to negate the assumption. For all demolition projects and for all projects, which require the removal of Friable and/or Category I Non-Friable and/or Category II Non-Friable ACM, NESHAPs and IDPH notifications are required.

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7 APPENDIX A CERTIFICATES AND LICENSES OF ENVIRONMENTAL PROFESSIONAL

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12 APPENDIX B ASBESTOS SURVEY SUMMARY

13 ASBESTOS SURVEY SUMMARY Page 1 of 3 Inspection Date: October 15 and December 23, 2014 Inspector: Vince Epps Site Address: Building 3285 Scott Air Force Base Geotechnology, Inc. Project No.: J Project Name: Building 3285 Type of Structure: Firing Range Homogeneous Area Number/Location Throughout Interior Rooms Except Garage Restrooms and Booth Classroom Throughout Interior Rooms Classroom, Maintenance, Storage, Booth, and Restrooms Interior Window and Door Frames Storage Room and Booth Under Vinyl Floor Tile in Storage Room Type of Material White 2' x 2' Acoustic Ceiling Tiles (Smooth) White 2' x 2' Acoustic Ceiling Tiles (Rough) Gray Epoxy Floor Coating Drywall/Joint Compound/Drywall Tape Brown Cove Base With Yellow Adhesive Brown Interior Window/Door Caulk 12" x 12" Gray Vinyl Floor Tile With Yellow Mastic Black Mastic Quantity 760 SF 90 SF 430 SF 4,500 SF 480 SF 80 LF 320 SF 300 SF Sample I.D. Friability Category Asbestos Location of Sampled Material/Substrate Type % 1A Maintenance Room / Open F ND ND 1B Classroom / Open F ND ND 1C Storage / Open F ND ND 2A Men's Restroom / Open F ND ND 2B Men's Restroom / Open F ND ND 2C Women's Restroom / Open F ND ND 3A Center / Concrete NF II ND ND 3B Northwest Corner / Concrete NF II ND ND 3C Southeast Corner / Concrete NF II ND ND 4A Maintenance Room / Open F ND ND 4B HVAC Room / Open F ND ND 4C Garage / Open F ND ND 5A Classroom / Drywall NF II ND ND 5B Men's Restroom / Drywall NF II ND ND 5C Storage / Drywall NF II ND ND 6A Booth Window / Steel NF II ND ND 6B Booth Stairs / Steel NF II ND ND 6C Front Entrance Door / Steel NF II ND ND 7A Storage Room North / Concrete NF I ND ND 7B Storage South / Concrete NF I ND ND 7C Booth / Concrete NF I ND ND 8A Storage Room North / Concrete NF II ND ND 8B Storage Room North / Concrete NF II ND ND 8C Storage Room North / Concrete NF II ND ND LF=Linear Feet NF=Non-Friable CH=Chrysotile PACM=Presumed Asbestos Containing Material SF=Square Feet F = Friable AM=Amosite PTM=Point Count Method ND=Non-Detect per PLM analysis NA=Not Analyzed Attic Insulation Checked Roof Substrate & Flashing Checked Waterproofing on Foundation Checked Transite Shims Under D-W and Joists Checked Drywall by PTC Composite n/a Site Sketch Attached Checked Behind Exterior Siding Any inaccessible areas? Not Encountered

14 ASBESTOS SURVEY SUMMARY Page 2 of 3 Inspection Date: October 15 and December 23, 2014 Geotechnology, Inc. Project No.: J Inspector: Vince Epps Project Name: Building 3285 Site Address: Building 3285 Type of Structure: Firing Range Scott Air Force Base Homogeneous Area Number/Location Interior Concrete Floor Under Roof HVAC System HVAC Duct Caulk 80 LF Exterior Masonry Block Unit Walls Exterior Windows/Doors/ Interior Compressor Room Walls Down-Range Masonry Block Unit Wall Near Trap Type of Material Concrete Floor Expansion Joint Wall Expansion Joint Gray Caulk Wall Grout Patch Compound Quantity 260 LF HVAC System HVAC Vibration Cloth 30 SF 160 LF 220 LF Compressor Room Exterior White Caulk 60 LF 60 SF Range Masonry Block Unit Wall White Skim Coat Patching 140 SF Sample I.D. Friability Category Asbestos Location of Sampled Material/Substrate Type % 9A North Line / Concrete NF II ND ND 9B Men's Restroom / Concrete NF II ND ND 9C South Line / Concrete NF II ND ND 10A West Range Duct / Open NF II ND ND 10B West Range Duct / Open NF II ND ND 10C East Range Duct / Open NF II ND ND 11A East Range Duct / Steel NF II ND ND 11B East Range Duct / Steel NF II ND ND 11C West Range Duct / Steel NF II ND ND 12A South Wall / Masonry Block Unit NF II ND ND 12B South Wall / Masonry Block Unit NF II ND ND 12C North Wall / Masonry Block Unit NF II ND ND 13A West Window / Steel NF II ND ND 13B West Door / Steel NF II ND ND 13C Compressor Room Interior / Concrete NF II ND ND 14A Compressor Room / Concrete NF II ND ND 14B Compressor Room / Concrete NF II ND ND 14C Compressor Room / Concrete NF II ND ND 15A North Range Wall / Masonry Block Unit NF II ND ND 15B South Range Wall / Masonry Block Unit NF II ND ND 15C South Range Wall / Masonry Block Unit NF II ND ND 16A North Range Wall / Masonry Block Unit NF II ND ND 16B North Range Wall / Masonry Block Unit NF II ND ND 16C South Range Wall / Masonry Block Unit NF II ND ND LF=Linear Feet NF=Non-Friable CH=Chrysotile PACM=Presumed Asbestos Containing Material SF=Square Feet F = Friable AM=Amosite PTM=Point Count Method ND=Non-Detect per PLM analysis NA=Not Analyzed Attic Insulation Checked Roof Substrate & Flashing Checked Waterproofing on Foundation Checked Transite Shims Under D-W and Joists Checked Drywall by PTC Composite n/a Site Sketch Attached Checked Behind Exterior Siding Any inaccessible areas? Not Encountered

15 ASBESTOS SURVEY SUMMARY Page 3 of 3 Inspection Date: October 15 and December 23, 2014 Geotechnology, Inc. Project No.: J Inspector: Vince Epps Project Name: Building 3285 Site Address: Building 3285 Type of Structure: Firing Range Scott Air Force Base Homogeneous Area Number/Location Type of Material Quantity Sample I.D. Friability Category Asbestos Location of Sampled Material/Substrate Type % 17A North Vent / Metal NF II ND ND Roof Vents Black Patching Membrane 16 SG 17B Second From North Vent / Metal NF II ND ND and Gray Caulk 17C Third From North Vent / Metal NF II ND ND 18A West Gutters / Metal NF II ND ND Roof Gutters and Flashing Seams Black Caulk 120 LF 18B South Flashing / Metal NF II ND ND 18C North Flashing / Metal NF II ND ND 19A Southwest Roof Baffle / Metal NF II ND ND Roof Baffles and East Roof Edge Gray Caulk 100 LF 19B Southeast Roof Edge / Metal NF II ND ND 19C Northeast Roof Edge / Metal NF II ND ND 20A South-Ceter Roof Panel / Metal NF II ND ND Metal Roof Panel Seams White Caulk 250 LF 20B North-Center Roof Panel / Metal NF II ND ND 20C Restroon Vent Pipe / Metal NF II ND ND HVAC Room Fire Doors 2 Units 21A HVAC Room NF II Assumed Assumed LF=Linear Feet NF=Non-Friable CH=Chrysotile PACM=Presumed Asbestos Containing Material SF=Square Feet F = Friable AM=Amosite PTM=Point Count Method ND=Non-Detect per PLM analysis NA=Not Analyzed Attic Insulation Checked Roof Substrate & Flashing Checked Waterproofing on Foundation Checked Transite Shims Under D-W and Joists Checked Drywall by PTC Composite n/a Site Sketch Attached Checked Behind Exterior Siding Any inaccessible areas? Not Encountered

16 APPENDIX C ASBESTOS LABORATORY DATA SHEETS

17 SCHNEIDER LABORATORIES GLOBAL I N C O R P O R A T E D 2512 W. Cary Street Richmond, Virginia LABS (5227) (FAX) Over 25 Years of Excellence in Service and Technology LABORATORY ANALYSIS REPORT Asbestos Identification by EPA Method¹ 600/R-93/116; EPA 600/M ACCOUNT #: CUSTOMER: GEO TECHNOLOGY ADDRESS: Lackland Rd Ste 150 ST. LOUIS, MO PROJECT NAME: Scott AFB #3285 JOB LOCATION: Scott AFB, IL PROJECT NO.: J PO NO.: DATE COLLECTED: 10/15/2014 DATE RECEIVED: 10/16/2014 DATE ANALYZED: 10/16/2014 DATE REPORTED: 10/16/2014 SampleType: Bulk Customer SLI Sample Sample Sample/ Identification/ PLM Analysis Results No. Layer ID Layer Name Asbestos Fibers Other Materials 1A Ceiling Tile Smooth Layer 1: Ceiling Tile None Detected 90% MINERAL/GLASS WOOL Gray, Fibrous 10% NON FIBROUS MATERIAL 1B Ceiling Tile Smooth Layer 1: Ceiling Tile None Detected 90% MINERAL/GLASS WOOL Gray, Fibrous 10% NON FIBROUS MATERIAL 1C Ceiling Tile Smooth Layer 1: Ceiling Tile None Detected 90% MINERAL/GLASS WOOL Gray, Fibrous 10% NON FIBROUS MATERIAL 2A Ceiling Tile Rough Layer 1: Ceiling Tile None Detected 20% CELLULOSE FIBER Gray, Fibrous 10% METAL FOIL 60% MINERAL/GLASS WOOL 10% NON FIBROUS MATERIAL Total Number of Pages in Report: 7 Results relate only to samples as received by the laboratory. Visit for current certifications. Accrediting bodies: AIHA-LAP, LLC , NVLAP , VELAP/NELAC Call laboratory for current national and state certifications. Method reporting limit is 1%. PLM analysis is based on Visual Estimation and NESHAP recommends that any asbestos content less than 10 percent be verified by PLM Point Count or TEM Analysis. This report must not be reproduced except in full with the approval of the laboratory.

18 Account - Workorder (Continued) Page 2 (Continued) Customer SLI Sample Sample Sample/ Identification/ PLM Analysis Results No. Layer ID Layer Name Asbestos Fibers Other Materials 2B Ceiling Tile Rough Layer 1: Ceiling Tile None Detected 20% CELLULOSE FIBER Gray, Fibrous 10% METAL FOIL 60% MINERAL/GLASS WOOL 10% NON FIBROUS MATERIAL 2C Ceiling Tile Rough Layer 1: Ceiling Tile None Detected 20% CELLULOSE FIBER Gray, Fibrous 10% METAL FOIL 60% MINERAL/GLASS WOOL 10% NON FIBROUS MATERIAL 3A Floor Coating Layer 1: Coating None Detected Gray, Brittle 3B Floor Coating Layer 1: Coating None Detected Gray, Brittle 3C Floor Coating Layer 1: Coating None Detected Gray, Brittle 5A Cove Base/Adh Layer 1: Cove Base None Detected Gray, Rubbery Layer 2: Adhesive None Detected Beige, Soft 5B Cove Base/Adh Layer 1: Cove Base None Detected Gray, Rubbery Layer 2: Adhesive None Detected Beige, Soft Total Number of Pages in Report: 7 Results relate only to samples as received by the laboratory. Visit for current certifications. Accrediting bodies: AIHA-LAP, LLC , NVLAP , VELAP/NELAC Call laboratory for current national and state certifications. Method reporting limit is 1%. PLM analysis is based on Visual Estimation and NESHAP recommends that any asbestos content less than 10 percent be verified by PLM Point Count or TEM Analysis. This report must not be reproduced except in full with the approval of the laboratory.

19 Account - Workorder (Continued) Page 3 (Continued) Customer SLI Sample Sample Sample/ Identification/ PLM Analysis Results No. Layer ID Layer Name Asbestos Fibers Other Materials 5C Cove Base/Adh Layer 1: Cove Base None Detected Gray, Rubbery Layer 2: Adhesive None Detected Beige, Soft 6A Caulk Layer 1: Caulk None Detected Gray, Soft 6B Caulk Layer 1: Caulk None Detected Beige, Soft 6C Caulk Layer 1: Caulk None Detected Beige, Soft 7A VFT/Mastic Layer 1: Vinyl Floor Tile None Detected Gray, Organically Bound Layer 2: Mastic None Detected Yellow, Soft 7B VFT/Mastic Layer 1: Vinyl Floor Tile None Detected Gray, Organically Bound Layer 2: Mastic None Detected Yellow, Soft 7C VFT/Mastic Layer 1: Vinyl Floor Tile None Detected Gray, Organically Bound Total Number of Pages in Report: 7 Results relate only to samples as received by the laboratory. Visit for current certifications. Accrediting bodies: AIHA-LAP, LLC , NVLAP , VELAP/NELAC Call laboratory for current national and state certifications. Method reporting limit is 1%. PLM analysis is based on Visual Estimation and NESHAP recommends that any asbestos content less than 10 percent be verified by PLM Point Count or TEM Analysis. This report must not be reproduced except in full with the approval of the laboratory.

20 Account - Workorder (Continued) Page 4 (Continued) Customer SLI Sample Sample Sample/ Identification/ PLM Analysis Results No. Layer ID Layer Name Asbestos Fibers Other Materials Layer 2: Mastic None Detected Yellow, Soft 8A Mastic Layer 1: Granular Material Gray, Granular None Detected Sample not as described on COC. 8B Mastic Layer 1: Granular Material Gray, Granular None Detected Sample not as described on COC. 8C Mastic Layer 1: Granular Material Gray, Granular None Detected Sample not as described on COC. 9A Expansion Joint Layer 1: Joint Material None Detected 90% CELLULOSE FIBER Brown, Fibrous 10% NON FIBROUS MATERIAL 9B Expansion Joint Layer 1: Joint Material None Detected 90% CELLULOSE FIBER Brown, Fibrous 10% NON FIBROUS MATERIAL 9C Expansion Joint Layer 1: Joint Material None Detected 90% CELLULOSE FIBER Brown, Fibrous 10% NON FIBROUS MATERIAL 10A Vibration Cloth Layer 1: Cloth None Detected 90% NON FIBROUS MATERIAL Black, Soft 10% SYNTHETIC FIBER 10B Vibration Cloth Layer 1: Cloth None Detected 90% NON FIBROUS MATERIAL Black, Soft 10% SYNTHETIC FIBER Total Number of Pages in Report: 7 Results relate only to samples as received by the laboratory. Visit for current certifications. Accrediting bodies: AIHA-LAP, LLC , NVLAP , VELAP/NELAC Call laboratory for current national and state certifications. Method reporting limit is 1%. PLM analysis is based on Visual Estimation and NESHAP recommends that any asbestos content less than 10 percent be verified by PLM Point Count or TEM Analysis. This report must not be reproduced except in full with the approval of the laboratory.

21 Account - Workorder (Continued) Page 5 (Continued) Customer SLI Sample Sample Sample/ Identification/ PLM Analysis Results No. Layer ID Layer Name Asbestos Fibers Other Materials 10C Vibration Cloth Layer 1: Cloth None Detected 90% NON FIBROUS MATERIAL Black, Soft 10% SYNTHETIC FIBER 11A Duct Caulk Layer 1: Caulk None Detected 5% CELLULOSE FIBER Gray, Soft 95% NON FIBROUS MATERIAL 11B Duct Caulk Layer 1: Caulk None Detected 5% CELLULOSE FIBER Gray, Soft 95% NON FIBROUS MATERIAL 11C Duct Caulk Layer 1: Caulk None Detected 5% CELLULOSE FIBER Gray, Soft 95% NON FIBROUS MATERIAL 12A Wall Expansion Joint Layer 1: Joint Material None Detected 2% CELLULOSE FIBER Gray, Soft 98% NON FIBROUS MATERIAL 12B Wall Expansion Joint Layer 1: Joint Material None Detected 2% CELLULOSE FIBER Gray, Soft 98% NON FIBROUS MATERIAL 12C Wall Expansion Joint Layer 1: Joint Material None Detected 2% CELLULOSE FIBER Gray, Soft 98% NON FIBROUS MATERIAL 13A Caulk Layer 1: Caulk None Detected Beige, Soft 13B Caulk Layer 1: Caulk None Detected Brown, Soft Total Number of Pages in Report: 7 Results relate only to samples as received by the laboratory. Visit for current certifications. Accrediting bodies: AIHA-LAP, LLC , NVLAP , VELAP/NELAC Call laboratory for current national and state certifications. Method reporting limit is 1%. PLM analysis is based on Visual Estimation and NESHAP recommends that any asbestos content less than 10 percent be verified by PLM Point Count or TEM Analysis. This report must not be reproduced except in full with the approval of the laboratory.

22 Account - Workorder (Continued) Page 6 (Continued) Customer SLI Sample Sample Sample/ Identification/ PLM Analysis Results No. Layer ID Layer Name Asbestos Fibers Other Materials 13C Caulk Layer 1: Caulk None Detected Beige, Soft 14A Caulk Layer 1: Caulk None Detected Beige, Soft 14B Caulk Layer 1: Caulk None Detected Beige, Soft 14C Caulk Layer 1: Caulk None Detected Beige, Soft 15A Grout Patch Layer 1: Grout None Detected Gray, Granular 15B Grout Patch Layer 1: Grout None Detected Gray, Granular 15C Grout Patch Layer 1: Grout None Detected Gray, Granular 16A Skim Coat Layer 1: Skim Coat None Detected White, Granular 16B Skim Coat Layer 1: Skim Coat None Detected White, Granular Total Number of Pages in Report: 7 Results relate only to samples as received by the laboratory. Visit for current certifications. Accrediting bodies: AIHA-LAP, LLC , NVLAP , VELAP/NELAC Call laboratory for current national and state certifications. Method reporting limit is 1%. PLM analysis is based on Visual Estimation and NESHAP recommends that any asbestos content less than 10 percent be verified by PLM Point Count or TEM Analysis. This report must not be reproduced except in full with the approval of the laboratory.

23 Account - Workorder (Continued) Page 7 (Continued) Customer SLI Sample Sample Sample/ Identification/ PLM Analysis Results No. Layer ID Layer Name Asbestos Fibers Other Materials 16C Skim Coat Layer 1: Skim Coat None Detected White, Granular Analyst: Total Number of Pages in Report: 7 Reel Hashim Results relate only to samples as received by the laboratory. Reviewed By: Hind Eldanaf, Microscopy Supervisor Visit for current certifications. Accrediting bodies: AIHA-LAP, LLC , NVLAP , VELAP/NELAC Call laboratory for current national and state certifications. Method reporting limit is 1%. PLM analysis is based on Visual Estimation and NESHAP recommends that any asbestos content less than 10 percent be verified by PLM Point Count or TEM Analysis. This report must not be reproduced except in full with the approval of the laboratory.

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26 SCHNEIDER LABORATORIES GLOBAL I N C O R P O R A T E D 2512 W. Cary Street Richmond, Virginia LABS (5227) (FAX) Over 25 Years of Excellence in Service and Technology LABORATORY ANALYSIS REPORT Asbestos ID by PLM using EPA Method¹ 600/R-93/116 with Point Count¹; EPA 600/M ACCOUNT #: CUSTOMER: GEO TECHNOLOGY ADDRESS: Lackland Rd Ste 150 ST. LOUIS, MO PROJECT NAME: Scott AFB #3285 JOB LOCATION: Scott AFB, IL PROJECT NO.: J PO NO.: DATE COLLECTED: 10/15/2014 DATE RECEIVED: 10/16/2014 DATE ANALYZED: 10/16/2014 DATE REPORTED: 10/16/2014 SampleType: Bulk Customer SLI Sample Sample No. Sample/ Layer ID Identification/ Layer Name 4A DW/JC/Tape Asbestos Fibers PLM Analysis Results Other Materials Layer 1: Drywall None Detected % NON FIBROUS MATERIAL White, Powdery, Homogenous Layer 2: Tape None Detected 65.25% CELLULOSE FIBER Brown, Fibrous, Homogenous 34.75% NON FIBROUS MATERIAL Layer 3: Joint Compound None Detected % NON FIBROUS MATERIAL White, Granular, Homogenous Layer 4: Tape None Detected 60.75% CELLULOSE FIBER Beige, Fibrous, Homogenous 39.25% NON FIBROUS MATERIAL Layer 5: Joint Compound None Detected % NON FIBROUS MATERIAL Off White, Granular, Homogenous Layer 6: Drywall System None Detected 8.25% CELLULOSE FIBER Multi-Colored, Bituminous/Fibrous/Granular, 91.75% NON FIBROUS MATERIAL Homogenous Total Number of Pages in Report: 2 Results relate only to samples as received by the laboratory. Visit for current certifications. Accrediting bodies: AIHA-LAP, LLC , NVLAP , VELAP/NELAC Call laboratory for current national and state certifications. Samples analyzed by the EPA Point Count test method. Samples analyzed by the EPA Test Method are subject to the inherent limitations of polarized light microscopy including matrix interference. This method has a reporting limit of <0.25% for friable samples. The limit for non-friable, organically bound samples is <0.01%. This report must not be reproduced except in full with the approval of the lab, and must not be used to claim NVLAP or other government agency endorsement.

27 Account - Workorder (Continued) Customer SLI Sample Sample No. Sample/ Layer ID Identification/ Layer Name 4B DW/JC/Tape Asbestos Fibers PLM Analysis Results Page 2 (Continued) Other Materials Layer 1: Drywall None Detected 0.25% CELLULOSE FIBER White, Powdery, Homogenous 99.75% NON FIBROUS MATERIAL Layer 2: Tape None Detected 56.25% CELLULOSE FIBER Brown, Fibrous, Homogenous 43.75% NON FIBROUS MATERIAL Layer 3: Joint Compound None Detected % NON FIBROUS MATERIAL White, Granular, Homogenous Layer 4: Tape None Detected 79.50% CELLULOSE FIBER Beige, Fibrous, Homogenous 20.50% NON FIBROUS MATERIAL Layer 5: Joint Compound None Detected % NON FIBROUS MATERIAL Off White, Granular, Homogenous Layer 6: Drywall System None Detected 10.25% CELLULOSE FIBER Multi-Colored, Powdery/Fibrous/Granular, 89.75% NON FIBROUS MATERIAL Homogenous 4C DW/JC/Tape Layer 1: Drywall None Detected % NON FIBROUS MATERIAL White, Powdery, Homogenous Layer 2: Tape None Detected 81.75% CELLULOSE FIBER Brown, Fibrous, Homogenous 18.25% NON FIBROUS MATERIAL Layer 3: Joint Compound None Detected % NON FIBROUS MATERIAL White, Granular, Homogenous Layer 4: Tape None Detected 75.50% CELLULOSE FIBER Beige, Fibrous, Homogenous 24.50% NON FIBROUS MATERIAL Layer 5: Joint Compound None Detected % NON FIBROUS MATERIAL Off White, Granular, Homogenous Layer 6: Drywall System None Detected 6.50% CELLULOSE FIBER Multi-Colored, Powdery/Fibrous/Granular, 93.50% NON FIBROUS MATERIAL Homogenous Analyst: Total Number of Pages in Report: 2 Reel Hashim Results relate only to samples as received by the laboratory. Reviewed By: Hind Eldanaf, Microscopy Supervisor Visit for current certifications. Accrediting bodies: AIHA-LAP, LLC , NVLAP , VELAP/NELAC Call laboratory for current national and state certifications. Samples analyzed by the EPA Point Count test method. Samples analyzed by the EPA Test Method are subject to the inherent limitations of polarized light microscopy including matrix interference. This method has a reporting limit of <0.25% for friable samples. The limit for non-friable, organically bound samples is <0.01%. This report must not be reproduced except in full with the approval of the lab, and must not be used to claim NVLAP or other government agency endorsement.

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30 APPENDIX D LEAD-BASED PAINT SURVEY SUMMARY

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34 APPENDIX E LEAD-BASED PAINT XRF SURVEY DATA SHEETS

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36 APPENDIX F LIMITATIONS OF REPORT

37 ASBESTOS AND LEAD-BASED PAINT SURVEYS LIMITATIONS OF REPORT 1. This report has been prepared on behalf of and for the exclusive use of the addressee, solely for use as an asbestos and lead-based paint survey of the site. If this report is provided to contractors, Client should make it clear that information is provided for data purposes only and not as a warranty of the asbestos conditions at the site. Unless other contractual agreements were made, the services described in this report were carried out in accordance with the Terms for Geotechnology's Services that accompanied the proposal. 2. The surveys were performed in accordance with generally accepted practices of other consultants undertaking similar studies at the same time and in the same geographical area, and Geotechnology endeavored to conduct the services identified herein in a manner consistent with that level of care and skill ordinarily exercised by other consultants under similar circumstances and conditions. The findings and conclusions stated herein must be considered not as scientific certainties, but rather as professional opinions concerning the significance of the limited data gathered during the course of the survey. Specifically, Geotechnology does not and cannot represent that the site contains no asbestos and lead-based paint beyond that observed by Geotechnology during its survey. 3. The observations described in this Report were made under the conditions stated therein. The conclusions presented in the Report were based solely upon the services described therein, and not on scientific tasks or procedure beyond the scope of described services or the time and budgetary constraints imposed by Client. Furthermore, such conclusions are based solely on site condition, and rules and regulations, which were in effect at the time of the study. 4. In the event that information is developed relative to asbestos or lead-based paint issues at the site and not contained in this report, such information shall be brought to Geotechnology's attention. Geotechnology will evaluate such information and, on the basis of this evaluation, may modify the conclusions stated in this Report. 5. Observations were made of the site as indicated within the Report. Where access to portions of the site was unavailable or limited, Geotechnology renders no opinion as to the presence of potentially hidden asbestos and lead-based paint in that portion of the site. In addition, Geotechnology renders no opinion as to the presence of potentially hidden asbestos and lead-based paint where direct observation of the interior walls, floor, roof, or ceiling of a site was obstructed by objects or coverings on or over these surfaces. These inaccessible and unobserved areas should be further investigated prior to any renovation/demolition activity that may disturb them. 6. Since it is not always possible to acquire a large enough sample of adhesively applied suspect asbestos-containing material to adequately analyze the underlying mastic without seriously defacing the surface, prior to renovation/demolition in those indeterminate areas additional sampling should be accomplished.

38 7. Except as noted within the text of the Report, no quantitative laboratory testing was performed as part of the survey. Where such analyses have been conducted by an outside laboratory, Geotechnology has relied upon the data provided, and has not conducted an independent evaluation of the reliability of these data. 8. The purpose of this Report was to assess the physical characteristics of the subject site with respect to the presence on the building surfaces of asbestos as defined in 40 CFR Parts 761 and 763, and 29 CFR Part No specific attempt was made to check on the compliance of present or past owners or operators of the site with federal, state, or local laws and regulations, environmental or otherwise. 9. It is recommended that Geotechnology be retained to provide further asbestos consulting services during construction and/or implementation of any remedial measures recommended in this report. This is to allow Geotechnology to observe compliance with the concepts and recommendations contained herein, and to allow the development of design changes in the event that conditions differ from those anticipated. 10. This survey may address the identification requirements of the Communications of Hazards Duties of Building and Facility Owners as described in OSHA 29 CFR (k) Asbestos (in construction) Standard, Practices and Procedures for removal, prior to demolition and disposal, should be in accordance with the referenced regulations, the OSHA Asbestos in Construction Standard and the EPA Interpretive Rule Governing Roof Removal (40 CFR Part 61, Appendix A to Subpart M). Revised 10/30/07 Stdpar\LMTASBLBP.DOC