Bacterial Genus Agricultural Residential Brownfield Acinetobacter 5.30x101 1.16x102 1.27x106 Alcaligenes 1.43x107 5.56x1013 8.23x104 Arthrobacter 6.84x107 5.32x1012 4.00x108 Bacillus 1.80x1013 3.06x1017 2.61x1010 Flavobacterium 3.35x1025 7.68x1011 1.72x103 Pseudomonas None detected 3.00x105 2.37x105

Table 4: qRT-PCR based determination of specific mRNA transcript copies per gram of soil to ascertain viable cell densities from each bacterial genus in this study according to treated soil type. Values are the mean value from triplicate samples analyzed using SYBR Green-based standard curves as described in Materials and Methods.