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unlabeled ballasts scheduled to be removed due to replacement, remodeling, or building <br /> demolition should be transported by a licensed hazardous-waste hauling company to a licensed <br /> 10 hazardous-waste disposal facility permitted to receive PCB wastes. <br /> Fluorescent Light Tubes <br /> Fluorescent lighting was noted throughout the interior of the building. Fluorescent light tubes <br /> contain mercury and lead, heavy metals which may be toxic in small amounts. Federal <br /> regulations ban the disposal of fluorescent light tubes in any landfill. The MPCA requires that <br /> businesses store used tubes, without breaking, prior to recycling, therefore, all used tubes should <br /> be stored in a sturdy container to prevent breakage prior to transport to a light tube recycling <br /> facility. <br /> Hazardous Materials and Potential Hazardous Wastes <br /> X-ray equipment, film processing equipment and photochemicals were observed in the x-ray <br /> room. Based on typical construction of x-ray rooms, Liesch anticipated the walls of the x-ray <br /> room are lined with lead sheeting. Various reagents were noted stored in the basement in <br /> limited quantities. <br /> Lead Based Paint <br /> Prior to 1978, certain paints contained lead. Due to the age of the structure, the painted surfaces <br /> are suspected to contain lead. <br /> Ozone Depleting Chemicals <br /> The building is served by an air-conditioning system. Regulated ozone-depleting chemicals (e.g. <br /> freon) may be present in these units. It could not be determined at the time of the visit whether <br /> these units contained ozone-depleting chemicals, however, given the age of the building at the <br /> Property they are suspected to be present. The units appeared in good condition overall at the <br /> time of the survey. Only certified personnel should service or remove these units. <br /> Aboveground Storage Tank (AST) <br /> A 265 gallon steel aboveground storage tank used to store heating fuel oil was observed in the <br /> northwest corner of the basement. Surface staining of concrete around the base of the AST <br /> appears to be oil. <br /> 4.3 317 King Avenue <br /> This address comprises approximately 7,200 square feet or 22% of the entire Property. The <br /> stucco finished office structure located at this address is a 2,100 square foot building. It is <br /> B.A.LIESCH ASSOCIATES.INC. <br /> May 1996 Hydrogeologists•Engineers •Environmental Scientists •Page 11• <br />