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Kennedy/Jenks Consultants farms, one main building, and a number of smaller buildings (Figure 2). An existing employee parking area is located at the southwest corner of the Facility. Highway 120, providing access and egress from the Facility, borders the south side of the Site. The 108-acre LAA previously included one-pass, non-contact cooling water basins that occupied a total of approximately 10 acres; process water evaporation and percolation basins that occupied a total of approximately 98 acres; and the former vacuum filter settling basin that encompassed approximately 1 acre. The remaining acreage includes levee roads along the basins, employee parking, access roads, and a temporary solid waste holding area. These main components of the Site, including existing buildings and tanks, property lines, and LAA, are shown on Figure 2. It should be noted that following the RWD (Kennedy/Jenks, 2005a), BTQCLC proposed changes to some of the facility components. The proposed changes include: reactivation and upgrades of the former crush area; addition of new fermentation tanks in the center of the facility; relocation of the former vacuum filters to north of the existing Tank Farm 600 (b) (This has been completed and has resulted in more efficient operation); addition of a tank press area near the new crush area; relocation of the former pomace pad and used diatomaceous earth staging area to the northern portion of Basin 7 (this has been completed); replacement of Basin 6 with future storage tanks; and replacement of the northern portion of Basin 5 with a graveled grape truck staging area. 1.3.1 Historical Facility Operations During typical operations under the previous owner(Canandaigua) of the Facility, grapes were transported from offsite locations and crushed sometime during the months of August through November. The grapes were processed to make wine and other by-products. The grape products generated from the crushing operations were further processed during the months of November through June. After further processing, the wine and other by-products were transported offsite for bottling and/or packaging. In the past, when the grapes were shipped to the Facility, they were received at the crushing area where the grape juice for wine or must was separated from the stems. When making white wine, the grape juice was separated from the pomace (seeds, pulp, and skins) in the pressing area. Red wines were fermented in contact with the pomace (called must) and pressed to separate the seeds, pulp, and skins later. By-products of this process included grape seed and grape skin extracts, which were used as dietary supplements. Stems, pomace, and leaf process were generated during the crush period and were collected and hauled offsite by a contractor for use as organic matter for crops or a soil amendment. Vacuum and pressure leaf material powders (diatomaceous earth) were generated sporadically throughout the year from the solids removed from high solids grape juice, wine lees, as well as grape seed and skin extract. After crushing the grapes, the grape juice or must was pumped to designated tanks in tank farms and fermented into wine. The wine was then further processed. Such processes included refrigeration, clarification (and centrifugation), filtration (vacuum and pressure leaf filters), and cation exchange that typically took place during the months of November through June. The processed wine was stored and aged in tanks until it was shipped by tanker truck to other wineries for blending and bottling. Two ion exchange columns with 20 and 35 cubic feet of cation resin capacity were used by the previous owners of the Facility to bring the total acidity and pH of the wine into better balance Groundwater Investigation Work Plan Page 3 Barrel Ten Quarter Circle Winery, Escalon, California g:Bs-groupladn inl obl031030118.08_barrellen109-reportslgw invest wrk pinitextdoc