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Addendum to Sampling and Analysis Plan Specific to Delivery Order DO5068
Section 1 - Introduction
This document is an addendum that modifies the existing SAP for the Closure of SWMUs at Camp Stanley Storage Activity (CSSA) in Boerne, Texas. The same sampling and analysis procedures used for the SWMU closures is also applicable to the Areas of Concern (AOCs) RCRA Facility Investigations (RFIs).
This addendum describes investigations and closure activities to be carried out at twelve AOCs (35, 36, 37, 38, 39, 40, 41, 42, 43, 50, 65, 66), and investigations/closure activities at one additional medium priority SWMU (B-9). The locations of these sites are shown in Figure 12.1 of the DO5068 work plan addendum. A brief description of each of the sites addressed in this addendum is provided in Table 1:
Table 1 - Sites Included in this Addendum
Site | Location | Proposed Field Effort |
Northeast area of Inner Cantonment | Geophysical Survey and Drilling | |
Southeast of Well 16 | Surface Soil Sampling | |
Northwest of Well 16 | Soil Gas Sampling | |
Southwest of Well 16 | Surface Soil Sampling | |
West of Well 16 | Surface Soil Sampling | |
East of Well 16 | Surface Soil Sampling | |
West of Well 16 in the North Pasture | Soil Gas Sampling | |
West of SWMU B-4, near Salado Creek | Geophysical Survey and Drilling | |
Approximately 50 feet south of SWMU B-7 | Geophysical Survey and Drilling | |
East of B-30 | Excavation, Sampling, Disposal | |
Building 90 | Surface Soil Sampling | |
North of AOCs 35, 37, and 39 | Soil Gas Sampling | |
South of AOC 44 in the East Pasture | Geophysical Survey |
This addendum to the SAP has been prepared to comply with all appropriate regulatory requirements of 30 TAC �335 for clean closure under Risk Reduction Standard Number 1. This plan describes the sampling procedures that will be implemented during investigation activities to satisfy regulatory requirements.