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The average radon concentration was 2.53pCi/L. The EPA action level for radon is 4.0 pCi/L. <br /> Based on this information, radon is not considered an environmental concern to the subject <br /> property. <br /> 9.0 RECOMMENDATIONS <br /> Based on the results of Dames & Moore's Phase I Environmental Site Assessment of the subject <br /> property, it appears that further investigation is warranted at this time. In order to determine if <br /> previous repair services and current onsite conditions at Spaulding Equipment Company have <br /> impacted soil and/or groundwater, a sub-surface Phase II site investigation including soil and <br /> groundwater sampling should be performed in the vicinity of the septic tank system and <br /> groundwater(or tapwater) samples should be collected from the onsite sup—y well. <br /> I---- <br /> In order to determine whether the responsible parties are addressing the acid discharge at H & M <br /> Transport and the drywell complaint at Agri-Feeds, Dames & Moore recommends completing a <br /> file review regarding the status of the two facilities. <br /> In addition, we recommend that files pertaining to the onsite well that may be available at the <br /> County Health Department be reviewed to obtain the following information: <br /> • Well construction information; <br /> • Well construction date; <br /> • Well water quality records; and <br /> • • Well water production records. <br /> J:\05930191\ESA.doc 18 <br />