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Appendices: Reported Organic Laboratory Results, Valid Data; Reported Organic Laboratory Results, Invalid Data; Reported Inorganic Laboratory Results (Valid and Invalid Data). (FR).
Appendices: Inorganic Results - Site 1 (Fire Training Area No. 3); Organic Results - Site 1 (Fire Training Area No. 3); Inorganic Results - Site 2 (Landfill No. 4); Organic Results - Site 2 (Landfill No. 4); Inorganic Results - Site 3 (Landfill No. 1); Organic Results - Site 3 (Landfill No. 1); Inorganic Results - Site 4 (Landfill No. 3); Organic Results - Site 5 (DPDO Waste Storage Area); Organic Results - Site 5 (DPDO Waste Storage Area); Inorganic Results - Site 6 (Coal Pile Storage Area); Total Metals Screen (Soil). (FR).
A Phase II, Stage 2 survey has been conducted at the Seymour Johnson Air Force Base under the Department of Defense's Installation Restoration Program (IRP). Six sites were identified by the Air Force for further study and include: Fire Training Area No. 3 (Site 1); Landfill No. 4 (Site 2); Landfill No. 1 (Site 3); Landfill No. 3 (Site 4); DPDO Waste Storage Area (Site 5); and Coal Pile Storage Area (Site 6). The evaluation primarily included the drilling of soil test borings, the installation, development, and sampling of new monitoring wells, resampling of selected Stage 1 monitoring wells, and the analysis of soil and water samples. A thin surficial aquifer was encountered at shallow depths beneath the sites that border the southeastern side of Stoney Creek. The surficial aquifer is contaminated at Sites 1, 2, 4, and 5 as a result of Base activities. Groundwater flow in the surficial aquifer is primarily horizontal and discharges into Stoney Creek along the northwestern limit of the Base. The major environmental concern revealed by this evaluation is the potential discharge of contaminated water from the surficial aquifer into Stoney Creek. (FR).
Appendices: Statement of Work; Biographies of Key Personnel; Information Pertaining to Water Wells Located Within and Adjacent to the Base; Technical Operations Plan; Lithologic Descriptions of Soil Collected During the Drilling Program; General Well Construction, Surveying, and Water Level Data; Results of Well Development, Well Purging, and Groundwater Stabilization Data; Correspondence with Regulatory Agencies; Chain-of-Custody Records for October thru March sampling; Analytical Data and Procedures Utilized in Water and Sample Analyses. (FR).
Three sites were investigated at Elelson AFB during the Phse II, Stage 2 field evaluation of the IRP. The sites were the sewage treatment plant spill ponds and treated effluent leaching ponds (Site 32) and two base landfills (Sites 2 and 1). A geophysical survey was performed in the vicinity of the sludge treatment plant to help define areas of high electromagnetic conductivity (i.e., potential contamination) and aid in the placement of monitor wells. Eight monitor wells were installed during Stage 2. Ground water samples from Stage 1 and Stage 2 wells were analyzed for purgeable lead, arsenic, cadmium, chromium, mercury and silver. Soil samples from the vicinity of one of the landfills (Site 1) were tested for the presence of pesticides. Trace quantities of purgeable halocarbons and petroleum hydrocarbons were detected in the wells from all three sites. Drinking water standards for total trihalomethanes were not exceeded for any of these samples. Arsenic and cadmium were detected in wells at concentrations were elevated in the vicinity of the sewage treatment plant. Only one well, in close proximity to the sewage sludge drying beds, was found to have nitrate, nitrite concentrations above the Primary Drinking Water Standard. A well downgradient from this site had nitrate, nitrite levels below the same standard. Soils at Site 1 contain trace quantities of DDE, DDD, and DDT. No pesticides were detected in groundwater from the monitor well at this site.
Methyl ethyl ketone analysis was performed by Radian chromatography laboratory. The results of the analysis are in a memo included in this volume. All other samples for chemical analysis were submitted to Radian Analytical Services Laboratory. The samples were logged in, and the data reported in batches . Each batch submitted was assigned a RAS work order number. Volume 2, Volume 3, and Volume 4, Appendix A-1 contain the analytical data reports for the various batches of samples. The bulk of data necessitated the results be bound in three volumes. Volumes 2, Volume 3, and Volume 4, Appendix A-1 contain Tables A.1-1, A.1-3, and A.1-5, respectively, which are a sequential listing of the reports contained in that volume by batch number and Tables A.1-2, A.1-4, and A.1-6, respectively, which are a sample log and cross-reference table. These tables serve as a sample log and cross-reference well numbers, OEHL numbers and the RAS work order numbers under which the results are located. Pages in Appendix A are numbered by the volume number followed by the page number of that volume. For example, Page 2 001 is the first chemistry data page of Volume 2.