FINAL SITE INSPECTION REPORT

Table of Contents(Cont.) __________________________________________3.3 Field Work ............................................................................................................................ 3-53.4 Sampling and Analysis ......................................................................................................... 3-53.5 Laboratory Analysis and Data Quality Review...................................................................... 3-63.6 Screening Values ................................................................................................................. 3-63.6.1 Background Data..................................................................................................... 3-63.6.2 Human Health Screening ........................................................................................ 3-83.6.3 Ecological Screening............................................................................................... 3-83.7 Variances from the SSWP.................................................................................................... 3-83.8 Second TPP Meeting............................................................................................................ 3-84.0 Target No. 1.................................................................................................................................... 4-14.1 History and Land Use........................................................................................................... 4-14.2 Previous Investigations.........................................................................................................4-14.3 MEC Evaluation.................................................................................................................... 4-24.3.1 Field Observations and Historical Evidence of MEC ............................................... 4-24.3.2 MEC Risk Assessment............................................................................................ 4-24.4 Munitions Constituents Evaluation........................................................................................ 4-34.4.1 Terrestrial Pathway.................................................................................................. 4-34.4.1.1 Comparison to Background Data .............................................................. 4-34.4.1.2 Comparison to Human Health Screening Values...................................... 4-44.4.1.3 Comparison to Ecological Screening Values............................................. 4-44.4.2 Surface Water Pathway........................................................................................... 4-44.4.3 Groundwater Pathway............................................................................................. 4-44.4.3.1 Comparison to Background....................................................................... 4-54.4.3.2 Comparison to Human Health Screening Values...................................... 4-54.4.4 Air Pathway ............................................................................................................. 4-55.0 Target No. 2.................................................................................................................................... 5-15.1 History and Land Use........................................................................................................... 5-15.2 Previous Investigations.........................................................................................................5-15.3 MEC Evaluation.................................................................................................................... 5-15.3.1 Field Observations and Historical Evidence of MEC ............................................... 5-25.3.2 MEC Risk Assessment............................................................................................ 5-25.4 Munitions Constituents Evaluation........................................................................................ 5-35.4.1 Terrestrial Pathway.................................................................................................. 5-35.4.1.1 Comparison to Background Data .............................................................. 5-35.4.1.2 Comparison to Human Health Screening Values...................................... 5-35.4.1.3 Comparison to Ecological Screening Values............................................. 5-45.4.2 Surface Water Pathway........................................................................................... 5-45.4.2.1 Comparison to Background Data .............................................................. 5-45.4.2.2 Comparison to Human Health Screening Values...................................... 5-45.4.2.3 Comparison to Ecological Screening Values............................................. 5-55.4.3 Groundwater Pathway............................................................................................. 5-55.5 Air Pathway .......................................................................................................................... 5-5Boardman AFR Final SI Report.doc iiContract No. W912DY-04-D-0010, Delivery Order No. 003September 2007