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<br />Elk River Parks & Recreation <br />Indoor A.ir Quality Assessment <br />lEA Project No. 7805-1301 <br /> <br />Page 7 <br /> <br />. Controlled conditions, such as physical isolation and negative air pressurization of the abatenlent area, <br />should be used to protect adjacent areas and individuals from fungal spores that are released \vhen <br />fungal-contaminated materials are removed. lEA can provide a specification for renloval activities, if <br />desired. <br /> <br />. The conditions that led to moisture infiltration and resultant fungal gro\vth need to be corrected. If <br />these conditions are not corrected, fungal contamination \villlikely recur on the replaced materials. <br />Based on the location and type of fungal organisnlS present, moisture intrusion appears to be occurring <br />through the lo\ver portion of the exterior \valls and, possibly, through the concrete floor slab. <br /> <br />Please contact lEA if you \vould like further assistance \vith the implenlentation of these reconmlendations. <br /> <br />6.0 Standard of Care <br /> <br />Information provided in this document is based upon current and generally recognized scientific and <br />technical understanding of the issues presented. Indoor air quality problenls such as sick building <br />syndrome (SBS) can have many causes and, SOilletimes, these causes are not readily apparent. In addition, <br />some causes may be illasked or hidden by conditions or activities in the building. As a result, the <br />conclusions and recon1ll1endations do not guarantee that all factors have been identified and that all issues <br />\vill be resolved if the recomnlendations are inlplemented. The conclusions and recomnlendations made in <br />this docunlent are our professional opinion and are based on the observations made and conditions present <br />at the tinle of the investigation, discussions \vith individuals involved, and the results aftests and/or <br />measurements perfomled. Follo\ving or implenlenting the recommendations does not provide conlplete <br />protection from future building occupant irritation or possible health consequences that may be caused by <br />indoor environnlental conditions. No \varranty is implied or intended. <br /> <br />Sincerely, <br /> <br />Revie\ved by, <br /> <br />{dzitjucbl <br /> <br />rA:S~ie Henckel, erH <br />Senior Project Manager <br />Indoor Envirolilllents Division <br /> <br /> <br />Tom Kapfer, CIH <br />Division Manager <br />Indoor Environnlents Division <br /> <br />Ene. <br /> <br />C:\Documents and Settings\tallard\Local Settings\Temporary Internet Files\OLKF\attach to 5 8.doc <br />