case history grid sampling helps determine extent of dry cleaner contamination The AGI Survey was deployed in a tight grid pattern – average spacing 16 – 20 ft. apart, in an attempt to define the extent of downstream contamination. Results shown in Figure 1 accurately delineate PCE contamination, while Figures 2 & 3 illustrate breakdown compound distributions TCE (Figure 2) and cis-1,2-DCE (Figure 3). Figure 1 Survey Summary Location: Frederi

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