EWT 131.38 1.46 1,100 126 ACT 133.4 1.32 4,400 152 OFD 88.11 1.03 Miscible 1.23 CTD 153.81 1.58 800 110 Molecular Weight

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Ewt 131 38 1 46 1 100 126 Act 133 4 1 32 4 400 152 Ofd 88 11 1 03 Miscible 1 23 Ctd 153 81 1 58 800 110 Molecular Weight 1 (61.52 KiB) Viewed 37 times

EWT 131.38 1.46 1,100 126 ACT 133.4 1.32 4,400 152 OFD 88.11 1.03 Miscible 1.23 CTD 153.81 1.58 800 110 Molecular Weight (g/mol) Density (g/mL) Solubility @ 20C (mg/L) Organic Carbon Partitioning Coefficient (Koc) Dimensionless Henry's Law Coefficient (H') Vapor Pressure @20C (mmHg) Reference Dose (mg/kg/day) 0.75 0.422 0.0002 1.25 60 0.0005 100 7 30 0.03 90 0.004 2. (11 points) A former manufacturing facility utilized several chemicals listed in the above table. As a result, these contaminants have been detected in soil and groundwater. For each of the following questions/parameters, indicate which is the highest/most and which is the lowest/least assuming all other factors are equal? EWT ACT OFD Which could have the highest potential measured concentration in groundwater? Retardation Factor Contaminant plume velocity Most amenable for soil vapor extraction Plume size (assume common release location) Potential for tailing during pump and treat operations