ACAT FOIA Repository 176

Document: ACAT FOIA Repository 176, Date Received February 2024
Year: 2011
Page(s): 521
Document Title: 2011 Arsenic Sampling Results and Discussion
Agency/Organization: USACE, Bristol Environmental Remediation Services

Document Summary:
This document contains a technical memorandum and analytical reports for 2011 background sampling for arsenic at Site 21 at Northeast Cape. The memorandum and reports present the results of the data collection, as well as a discussion of the data. The data collected consisted of nine background samples of soil upgradient from a 2010 excavation area at site 21 in order to determine the site background concentration. The results indicated that the 2010 site excavation results are above the background arsenic level and above the cleanup level of 11mg/kg, while the mean background concentration was 11.49mg/kg.