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0ct-14-97 03:47P P.04 <br /> <br />INSTITUTE <br /> <br />October 14, 1997 <br /> <br />'Stephen Rolxlf t//~ <br />Bttllding and Zoning Administrator <br />City of Elk River <br />PO Box 490 <br />13065 Otono Parkway <br />Elk River, MN 55330 <br /> <br />for ENVIRONMENTAL <br /> ASSESSMENT <br /> <br />RE: Proposal for Air Sampling <br /> <br />Dear Mr. Rohlf: <br /> <br />Thank you for the opportunity of presenting this proposal for conducting air sampling at the Elk River <br />city Hall located at 13065 Orono Parkway and for the compilation of health symptoms that you provided. <br />The purpose of the sampling will be to evaluate potential occupant exposures to the following airborne <br />compounds: <br /> <br /> · Nuisance dust (particulams) <br /> · Mold <br /> · Top tlgr~ volatile organic compounds (VOC) <br /> · Carbon dioxide <br /> · Cartmn monoxide ' <br /> <br />After analytical rcsuRs arc received, we ~ll prepare and issue a report providing the following: <br /> <br /> · Sampling methods and strategies <br /> · Sampling n:suits <br /> · Observations <br /> · Conclusions <br /> · Recommendations, if needed <br /> <br />The following ar~ the costs for providing this service: <br /> 4 nuisance dust samples at $20/sample <br /> 3 VOC samples at $90/sample <br /> 5-7 mold samples (air and possible contact samples) <br /> TSI Q-Trak monier for carbon dioxide and <br /> carbon monoxide <br /> 4 hours monitoring by technician at $55/hour <br /> 4 hours report preparation at $351hour <br /> ESTIMATED COST <br /> Travel time and mileage will also be directly billed. <br /> <br />$80 <br />$270 <br />$250-$350 <br /> <br />$50 <br />$220 <br />$140 <br />$1310-$1,I10 <br /> <br />When rcady to proceed, please sign and mail or fax (535-9177) tim enclosed service agreement m my <br />attention. <br />If you have any questions mgm-ding this proposal, please do not hesitate to give me a call. <br /> <br />SincerelY. L_.-.---- <br /> <br />Tim Froehtig <br />Sr. IAQ Investigator <br />Indoor Environments Division <br /> <br />........... ,e. ,-,, =,-.e_-~?~'~ wanmg"iR-cJRl3 ~:'AX ;612) 535-9177 A Minnesota CorJ~ration <br /> <br /> <br />