No. 2 Diesel Standard
(2 mg/mL)
RMA "Below the Liner" Sample No. 41238
(19.53 g soil/100 mL hexane)
Total Resolved Hydrocarbons = 726 mg/kg dry wt.
RMA "Soil-Amended Basin F Sludge from
Above the Liner" Sample No. 24216
(20.15 g soil/100 mL hexane)
Total Resolved Hydrocarbons = 2,420 mg/kg dry wt.
RMA "Below the Liner" Sample No. 24093
(21.74 g soil/100 mL hexane)
Total Resolved Hydrocarbons = 82 mg/kg dry wt.
RMA "Below the Liner" Sample No. 41249
(21.29 g soil/100 mL hexane)
Total Resolved Hydrocarbons = 943 mg/kg dry wt.
Figure 1. Flame ionization detector (FID) capillary gas chromatographic (GC) profiles from a No. 2 Diesel
Standard containing n-alkanes from n-C10 to n-C22 and hexane extracts of RMA soil and sludge samples
specially prepared to allow direct comparisons of total resolved hydrocarbons among the samples (i.e., a
constant nominal weight [20 g] of each sample was extracted with a constant volume [100 mL] of solvent). All
chromatograms were obtained under identical instrument conditions (1.0 L injected; 30 m, OV-1 narrow
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