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Table 2. (continued) <br />Ecosystem, species, and <br />other variables <br />Concentration, <br />in mg/ kg <br />Referenceb <br />Arsenic-treated soil (6.8-15) DW 1 <br />Control 0.8 DW 1 <br />Various species <br />From uncontaminated soils (<0.01-5) DW 2 <br />From arsenic-impacted (80 mg/kg) <br />soils 1.2 (<0.2-5.8) DW 4 <br />Vegetables <br />From arsenic-treated areas Usually <3 DW, Max. <br /> 145 DW 2 <br />Nontreated areas Usually <1 DW, Max. <br /> 8 DW 2 <br />Vegetation <br />Near gold mine, Canada, <br />Air levels up to 3.9 ug <br />As/m Max. 11,438 DW 5 <br />80 km distant (12-20) DW 5 <br />FRESHWATER FLORA <br />Aquatic plants <br />Arsenic-treated areas (20-1,450) DW 2 <br />Untreated areas (1.4-13) DW 2 <br />Irish moss, Chondrus crispus <br />Whole (5-12) DW I <br />Pondweeds, Potamogeton spp. <br />Whole <br />Near geothermal area (11-436) DW I <br />Control site <6 DW <br />FRESHWATER FAUNA <br />Alewife, Alosa <br />pseudoharengus <br />Whole, Michigan 0.02 FW I <br />Muscle, Wisconsin 0 FW 1 <br />White sucker <br />Catostomus commersoni <br />Muscle (0.03-0.13) FW 1 <br />Whole (0.05-0.16) FW 1 <br />23