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Closure of the open detonation treatment site near Area No. 2 involves ceasing the storage and elimination of scrap explosive waste through detonation. SRI will expend all material in research operations. SRI will continue to use Area No. 2 for research activities. In order to detdrmine if elevated levels of hazardous materials are present in the area in which open air detonation occurred, soil samples will be taken from the detonation area. Samples will also be taken from outside the area to establish levels of background elements already in the soil. Should soil contamination be found, the contaminated soil will be excavated and disposed of as a hazardous waste. Upon completion of the soil sampling, analysis and decontamination as necessary, a report of an independent California -registered engineer is required to certify that the site has been closed in accordance with the specifications of the Closure Plan. In 1987 Cal -EPA inspected SRI and observed 15 violations of California regulation. As a result of the violations SRI and Cal -EFA entored into a Consent Agreement and Order (Order) on March 6, 1989. This Order stipulates that SRI will submit a Closure Plan for the explosive site near Area 2 and close the site to the schedule set forth in the Closure Plan. The Order also stipulates that SRI will no longer treat, store, or dispose of hazardous waste following the closure of the explosive site near Area 2. Before the closure plan can formally be approved, Cal -EPA encourages the public to submit relevant questions and comments on the Closure Plan and on the proposed Negative Declaration during a 30 -day comment period beginning January 16, 1992. The public may also request that a public hearing be held on the proposed actions. Request for a local public hearing must be in writing and state the reason why a hearing is needed. All written comments and written requests should be sent to the California Environmental Protection Agency, Department of Toxic Substance Control in Berkeley at the address shown below. For more information, contact Tom Lanphar, at Cal -EPA, (510) 540-3884. Any interested person may view the closure plan, Negative Declaration, and related documents at the following locations: California Environmental Protection Agency Monday - Friday Department of Toxic Substances Control 8 :00 am. - 5:00 p.m. 700 Heinz Avenue, Suite 200 (510) 540-3800 Berkeley, CA 94710 Public Repository Monday & Friday 10a.m. - 9 p.m. Tracy Public Library Tuesday, Wednesday, Thursday, Sunday 10 a.m. - 6 p.m. 20 East Eaton Saturday 10 am - 5 p.m. Tracy, CA 95376 (209) 835-2221 0