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Table 1 Tracy Tire Fire Groundwater Analytical Results TDD: 09-9808-0005 PAN: 0339-TTRZ-XX Action Sample Location and Phase (I, II, or III) (µg/L) Analyte Level Teichert Aggregates RMC Lonestar 30010 S. Macarthur 8930 Palmquist (µg/L) I II III I II III I II III I II III -a Arsenic 0.045 ND ND ND ND ND ND ND ND ND NA ND ND 0 y m Cadmium 5 2'3 ND ND ND ND ND ND ND ND ND NA ND ND a) o 2 2 Chromium 50 o 5.7 5.5 ND ND ND ND 5.7 5.2 5.5-6.0 NA 10.7 11.5 a '0 Lead 4 ND ND 3.9 7.6 ND ND ND ND ND NA ND ND LU Zinc 5000 ND ND ND ND ND ND ND ND ND-72.5 NA 507 344 Benzene 0.41 ND ND ND ND ND ND ND ND ND NA ND ND o Eth (benzene 7002'3 ND ND NDI ND ND NDI ND ND ND NA ND ND m c'� Methylene Chloride 4.3 ND ND ND ND ND ND ND ND ND NA ND ND QcL.4 Naphthalene 6.2 ND ND ND ND ND ND ND ND ND NA ND ND LU Styrene 100 2'3 ND ND ND ND ND ND ND ND ND NA ND ND Toluene 150 2 ND ND ND ND ND ND ND ND ND NA ND ND Acenaphthylene 370 ND ND NDl ND ND NDI ND ND ND NA ND ND c" Anthracene 18001 ND ND ND ND ND ND ND ND ND NA ND ND N Benzo(a)pyrene 0.0092 ND ND ND ND ND ND ND ND ND NA ND ND o Benzo(b)fluoranthen 0.0092 1 ND ND ND ND ND ND ND ND ND NA ND ND L. Chr sene 9.21 ND ND ND ND ND ND ND ND NDI NA ND ND 0 2 Pentachlorophenol 0.56 ND ND NDI ND ND NDI ND ND ND NA ND ND QPhenanthrene None ND ND ND ND ND ND ND ND ND NA ND ND Lu Phenol 22000' ND ND ND ND ND ND ND ND ND NA NDI ND Pyrene 1 ,180 NDI ND ND NDI ND ND NDI NDI ND ____NAL NDI ND Phase I - August 14, 1998 - Preliminary Remediation Goal ND = Non Detect Phase II - March 12, 1999 2 _ California Maximum Contaminant Level tLg/L = Micrograms per liter Phase III - January 19, 2000 3 _ Federal Maximum Contaminant Level