ARCHIVED REPORTS_DRAFT - PHASE I REMEDIAL INVESTIGATION REPORT

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r r■r ar Ilr r r r Ilr rr rr r rr r � r r r r1 rr Kennedy/Jenks Consultants Table 7: OU-2 Soil Sample Analytical Results - Organic Compounds (a) ft bgs=feet below ground surface. (b) TPHd =total petroleum hydrocarbons quantified as diesel using EPA Method 8015 Modified. (c) mg/kg =milligrams per kilogram. (d) TPHmo=total petroleum hydrocarbons quantified as motor oil using EPA Method 8015 Modified. (e) VOCs=Volatile organic compounds by EPA Method 8260B. (f) pg/kg = micrograms per kilogram. (g) SVOCs= Semivolatile organic compounds by EPA Method 8270C. (h) US EPA PRG = US EPA Preliminary Remediation Goal for Industrial and Residential Soil (http://www.epa.gov/region09/waste/sfund/prg/files/04prgtable.pdf). (i) NE= Not established. (j) D= Laboratory notes"Surrogate or matrix spike recoveries were not obtained because the extract was diluted for analysis; also compounds analyzed at a dilution will be flagged with a D." (k) ND= No analytes detected at concentrations exceeding analytical reporting limits. (1) NA=Sample not analyzed for this constituent. (m) V=Test not run due to insufficient volume. (n) M = Methanol extraction used. (o) H = Sample analyzed after 14-day hold time.Alternate sample collected from replacement boring. (p) TPHd detected in equipment blank at 160 Ng/I. Acetone PCE TCE 1,3-Dichloro- 1,4- Methylene Naphthalene Phenol Pyrene Benzo[b]fluor- Butyl benzyl benzene Dichloro- chloride anthene phthalate benzene (pg/kg) /k /k /k /k /k /k (mg/kg) (mg/kg) m /k (mg/kg) US EPA PRG 5.4 x 10 1,300 6,500 600,000 7,900 21,000 4,200 100,000 29,000 2.1 100,000 Industrial (Cal (Cal Modified Modified US EPA PRG 1.4 x 10 480 2,900 530,000 3,400 9,100 1,700 18,000 2,300 0.62 12,000 Residential DRAFT Phase I Remedial Investigation Report Page 5 of 5 Former Tracy Railyard, Tracy, California g:bs-groupladminVob1O510565777.18—upn109-reportsld rpfltablesltableO7doc