CCP 04-30-1990 - Laserfiche WebLink

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.J . ~ A Delta Environmental ~.. Consultants, Inc. 1801 Highway 8, Suite 114 St. Paul, MN 55112 612/636-2427 FAX:612/636-8552 April 26. 199O - Me. Gary Berger Village of Arden Hills 1450 West Highway 96 Arden Hills, Minnesota 55112 Subject: Abandoned Drums KEM Milling Site Demolition Arden Hills. Minnesota Delta No. 10-89-385 Dear Mr. Berger: Delta Environmental Consnltants. Inc. (Delta) is actively managing the demolition activities involving asbestos, underground storage tanks CUSTs), and water wells. Abatement of asbestos- ~ containing materials was initiated on April 16. 1990 and essentially completed on April 25. Some preparatory demolition and UST removal activities were begun on April 25. The water well abandonment procednres are expected to begin on April 26. Dnring the conrse of these preparatory demolition activities. abandoned drums have been noted on the site. Most of the drums are empty, but some contain unknown solids or liqnids. As reported in the Environmental Assessment - Phase I report dated May 3, 1989, many of these steel and plastic drums were also noted during our site reconnaissance. The majority of these drums were assumed to contain wastewater treatment chemicals or boiler and steam-line chemicals. As the previous site owner was still in the process of closing down the facility operations and salvaging equipment and materials. it would not have been effective to inventory all drums or identify their contents at the time of the Phase I Environmental Assessment. For the same reasons, Delta did not prepare or conduct a drum inventory survey in the Phase II Environmental Assessment. Also, a drum survey was not proposed by Delta in onr site demolition work plan dated November 9, 1989 for the following reasons: 1. At the time of onr proposal, the previous site owner had uncontrolled access to the site and could remove or deposit materials at will. 2. It was assumed by Delta that chemicals. including the wastewater treatment and boiler/ steam-line treatment chemicals, would be salvaged by the owner and not abandoned. 3. The lack of site secnrity wonld not prevent unwanted dumping or vandalism. As Delta is contracted by the Village of Arden Hills to provide project management and guidance ~ to the contractors involved in asbcstos abatement, UST removals. and water well abandonment, it is our obligation to minimize the potential liabilities associated with this entire project. Practical Solutions to Environmental Concerns