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SAN JOAQUIN DELTA COLLEGE <br /> Special use areas and mixed use buildings <br /> smoking lounges <br /> laboratories <br /> print shops,art rooms <br /> exercise rooms <br /> beauty salons <br /> food preparation areas <br /> Redecoratingtremoldingtrepair activities <br /> emissions from new furnishings <br /> dust and fibers from demolition <br /> odors and volatile organic and inorganic compounds from pant, caulk, adhesives <br /> microbiologicals released from demolition or remolding activities <br /> San Joaquin Delta College <br /> 1 On August 20, 2000, a discussion with you led to the request to perform sampling <br /> throughout the San Joaquin Delta College Campus <br /> 2 Your concern for the health of the employees prompted your request for air analysis <br /> 3 The air flow as related to the number of air exchanges per hour or per day should be <br /> investigated in this area, as the first floor is densely populated <br /> A The HVAC system was not operating during the air sampking <br /> 4 In a 1987 report titled, Policies and Procedures for Control of Indoor Air Quality, the <br /> National Research Council concluded, "The levels of both chemical and biological <br /> contaminants are strongly associated with the cleanliness of the heating, ventilation and <br /> air conditioning system " <br /> A Office areas tended to have only very small amounts of dust on the divider tops, <br /> counter tops, desk tops, computer screens, glass doors of cabinets, cabinet tops, <br /> etc , within the area where the samples were collected <br /> B Shop areas had considerably more dust throughout the room <br /> 5 Preventative maintenance programs should to be put in effect (if they do not currently <br /> exist) and filters need to be changed on a regular basis (if this is not currently the <br /> condition) <br /> b Average temperatures during sampling were in the mid to high seventies <br /> 7 Air sampling for NIOSH 1500 hydrocarbons resulted in readings that were below the <br /> OSHA, ACGIH and NIOSH limits as listed in Table VII Nearly all results were below <br /> the lowest detection limit for each sample See Photographic section for sample locations <br /> A The Diagram Section shows the location of the samples and Table VII shows the <br /> sample concentrations versus the OSHA, ACGIH and NIOSH limits <br /> Page #17 <br />