Sanford


	BROWNFIELDS - Nasson Community Center


		Location: Springvale/Sanford, Maine Historical/Current Use: Former Nasson Community College / Nasson Community Center Contaminants of Concern: Lead from a small arms range. Summary of Impact/Sensitive Receptors: No adverse impact to private homeowner wells and the public water aquifer.

	Background CEG identified and presented this site as a candidate for a State financed cleanup grant ($50,000). The site was subsequently approved and successfully remediated within budget. Campbell Environmental Group conducted a Focused Feasibility Study at the Nasson Community Center for the selection of remedial alternatives for a small arms range. The Nasson Community Center was originally the cafeteria and gymnasium building of the Former Nasson College Campus, located in the center of the Springvale section of Sanford. Located in the basement of this building was also a small arms range. The former range area was reportedly active from 1959 until Nasson College filed for bankruptcy in 1983.




	*Map of surrounding area prepared by Environmental Data Resources, Inc. This map has been reformatted to meet the size requirements of this page. A detailed map is available here.*

The building remained vacant until 2002 when the Nasson Center Redevelopment, Inc. purchased the property to redevelop the building into the Nasson Community Center. Soil samples collected from the range area exhibited leachable lead concentrations of up to 135 micrograms per liter (mg/L), which exceeds the Maine DEP, and the US EPA hazardous waste maximum concentration of contaminants for lead toxicity characteristics of 5.0 mg/L, and total lead concentrations of up to 70,000 milligrams per kilogram (mg/kg). The Nasson Community Center would like to renovate the range area and the two associated rooms into useable space for public use including youth activities.

Objective
The objective of the Focused Feasibility Study report was to evaluate the ability of select remedial alternatives to control human health and environmental risk posed by lead contamination associated with the former small arms range. The selected alternatives were analyzed on the basis of the following five criteria:

Overall protection of human health and the environment;
Long-term effectiveness and permanence;
Reduction of toxicity, mobility, or volume through treatment;
Short-term effectiveness;
Implementability; and
Cost




		*Nasson Community Center*

Three options were presented for the sand and gravel area including; soil capping; Berm soil removal, offsite disposal, and capping; and soil removal, offsite disposal, and capping. Two options are presented for the floor, wall, and ceiling surfaces including; cleaning and sealing of floors walls and ceiling; and cleaning and sealing of selected portions of the floor walls and ceilings.

Results
Based on the Focused Feasibility Study remedial alternatives was selected and implemented at the Nasson Community Center by the Maine Department of Environmental Protection. The Nasson Community Center has been able to move forward with developing the former range area into useable space for youth activities.

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Campbell Environmental Group

173 Gray Road

Falmouth, ME 04105

(207) 253-1990 f(207) 253-1988

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