Measurement & Monitoring: 16th Quarterly Literature Update

not available. Characterization of Soil Contamination at Former Small Arms Training Ranges Utilizing a Triad Work Strategy Chien, Elizabeth, Gwyn Puckett, and Kym Takasaki, US Army Corps of Engineers, Seattle District, Seattle, WA. The 20th Annual International Conference on Soils, Sediments and Water, 18-21 October 2004, University of Massachusetts at Amherst. Poster Presentation. This paper describes the application of a Triad site characterization approach at Fort Lewis, WA. Fort Lewis is a major military facility located approximately six miles south of Tacoma, Washington. USACE was tasked with determining the nature and extent of contaminated soils in three former small arms training ranges, i.e, a former pistol range, an infiltration range, and a skeet range. The characterization was designed to determine if surface soils contain significant concentrations of metals, with the focus on collecting sufficient data for potential future actions (i.e., risk analysis or soil remediation). A Triad work strategy was developed to conduct sampling in one mobilization and to manage uncertainty around site-specific remediation decisions. Concurrent analysis of soil samples during the demonstration of method applicability using both field portable X-ray Fluorescence (FPXRF) and laboratory methodologies for the initial sampling period established a correlation between FPXRF and laboratory data. Subsequently, the site characterization data were collected in the form of FPXRF data and fixed-laboratory soil collaborative sample results to refine the conceptual site model for each site. During the site characterization process, additional sample locations were determined from the analysis and interpretation of real time data, which identified the extent and distribution of contamination. Communication strategies were developed to inform the project delivery team, customer, and regulator of real-time data, ensure the effectiveness of the sampling communication, and allow realtime decisions. Characterizing Uptake Kinetics of PAHs from the Air Using Polyethylene-Based Passive Air Samplers of Multiple Surface Area-to-Volume Ratios Bartkow, M.E. (National Research Centre for Environmental Toxicology (ENTOX), Univ. of Queensland, Coopers Plains, Australia), D.W. Hawker, K.E. Kennedy, and J.F. Muller. Environmental Science & Technology, Vol 38 No 9, p 2701-2706, 2004 Polyethylene passive sampling devices (PSDs) were deployed to investigate how passive samplers of multiple surface area-to-volume ratios could be used to characterize uptake kinetics for polyaromatic hydrocarbons (PAHs). Theoretically, uptake profiles for different thickness PSDs of the same surface area should show that where uptake is linear, the amount of compound accumulated in the different PSDs will be the same, and where equilibrium is approached, the amount accumulated by the different PSDs will be proportional to sampler thickness. Polyethylene sheets of the same surface area and approximately 100 and 200 m thickness were collected after 30, 60, and 90 days of exposure alongside samples from a co-deployed high volume sampler. Twelve PAHs could be routinely quantified in replicate PSDs. Reproducibility between replicate PSDs was satisfactory overall, with