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Soil Vapor Assessment Work Plan Page 10 <br /> CPSA,Lodi,California <br /> January 11,2023 <br /> Fib <br /> Figure 1 — Central Plume Source Area Location Map <br /> Figure 2 — Central Plume Source Area(CPSA) <br /> Figure 3 — Results of Indoor and Ambient Air Sampling—February& October 2022 <br /> Figure 4 — Proposed Discrete Depth, Sub-Slab, &Indoor Air Sample Locations—212 W. Pine St. <br /> Figure 5 — Proposed Passive Soil Gas (PSG) Sampling Locations <br /> Attachments: <br /> Attachment A— Standard Operating Procedure (SOP) — Sub-slab Vapor Pin® Sampling Device <br /> Installation, Leak Detection, Sampling, &Extraction <br /> Attachment B—Beacon Environmental—Collection of Samples using Sorbent Tubes <br /> Attachment C—Methodology and Protocol for Beacons `Passive Soil Gas Investigations' <br /> 649 DISTEL DRIVE,LOS ALTOS,CA 94022 TEL:415-424-3009 <br />