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ITO E RO E K SOP No.026,REV.1 <br /> ASSOCIATES,INC INDOOR AIR AND SUB-SLAB SOIL GAS SAMPLING METHODS <br /> PAGE 22 <br /> Figure 1. continued <br /> INDOOR AIR BUILDING SURVEY AND SAMPLING FORM(continued) <br /> Air Conditioning: Central Air Window Units Open Windows None <br /> Are air distribution ducts present? Yes No <br /> Is there a whale house fan? Yes No <br /> Describe the air intake system(outside air supply,cold air return,ductwork,etc.)and its condition where visible. <br /> Indicate the locations on the floor plan diagram. <br /> 8. FACTORS THAT MAY INFLUENCE INDOOR AIR QUALITY <br /> a) Is there an attached garage? Yes No <br /> If yes,does it have a separate heating unit? Yes No <br /> b) Are any petroleum-powered machines or vehicles stared <br /> in an attached garage(e.g_,lawn mower,ATV,car) Yes No <br /> c) Has the building ever had a fire? Yes No <br /> d) Is there a fuel burning or unvented gas space heater? Yes No <br /> e) Is there a workshop or hobby/craft area? Yes No <br /> If yes,where and what type? <br /> f) Is there smoking in the building? Yes No <br /> If yes,how frequently? <br />