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Table 2 Tracy Tire Fire Groundwater Analytical Results Phase I Samples Collected on August 14, 1998 and Phase II on March 12, 1999 Trench Sample (T-1) Collected on August 20, 1999 TDD: 09-9808-0005 PAN: 0339-TTRZ-XX Sample ID EPA Method 524.2 EPA Method 6010B EPA Method 604 EPA Method 525.2 Analyte Benzene Ethyl Naphthalen Arsenic Cadmium Chromium Lead Zinc Penia- Phenol Acenaph- Anthra- Benzo(a)- Benzo(a)- Chrysene Phenan- Pyrene benzene chlorophenol thylene cene pyrene fluoranthene threne EPA PRG 0.39 1,300 6.2 0.045 18 180' 4 11,000 0.56 22,000 None None 0.0092 0.092 9.2 None 180 California MCL 1 700 None 50 5 50 15 (500) 1 None None None 0.2 None None None None (SMCL) Units ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ugL ug/L[I I ug/1-R Iug/L II Iug/L 1 Phase II I 11 1 11 I II I if 1 [I I 11 I II 11 I II Teichert ND ND ND ND ND ND ND ND ND ND 5.7 5.5 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND RMC Lonestar ND ND ND ND ND ND ND ND ND ND ND ND 7.6 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND 30010S. ND ND ND ND ND ND ND ND ND ND 5.7 5.2 ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND ND Macarthur 8952 Palmquist NA ND NA ND NA ND NA ND NA ND NA 10.7 NA ND NA 507 NA ND t NA ND NA ND NA ND NA ND NA ND NA ND NA ND NA ND Trench(T-1) ND ND ND 7.7 ND 32 8.6 98 ND ND I ND I ND ND I ND ND ND ND ug/L=microgram per liter NA=Not Analyzed PRG=Preliminary Remediation Goal SMCL=Secondary MCL ND=Not Detected J=Detected below the quantitation limit MCL=Maximum Contaminant Level Notes: 1. Compounds are those chemicals listed in Rings ojfire,California Office of State Fire Marshall,that are commonly identified toxins associated with tire fires. 2. Additional compounds were analyzed for EPA Methods 524.2,525.2,and 604;however,they are not reported in this table because they were not detected and not typically found at tire fires. 3. Chromium'". I:\000610\SF389_0339TTRZXX\Tracy_Table.wpd 180ctl 999: 08:33