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Figure 1 <br /> Modifications to Sample Analysis Schedule <br /> For Eldorado Chemical Company <br /> Analysis to be Performed <br /> Sample Volatile Total <br /> Identification Iocation organics Phenolics Other <br /> 1-A,B,C (Composite 0-4" depth Total <br /> to a single Lead <br /> sample) <br /> 2,3,4,5 (four discrete inmediately under X X Fluoride, <br /> samples) excavated pipe at Total <br /> joints or cracks X X Chromium <br /> exhibiting the worst <br /> visible contamination <br /> 2A, 3A, 4A, 5A (four confirmation sanples to X X Fluoride, <br /> discrete be collected at bottom Total <br /> samples) of trench after piping Chromium <br /> and contaminated soil <br /> are removed. Samples <br /> R re to be collected at <br /> same locations as <br /> Samples 2, 3, 4, 5. <br /> 2b, 4b, (Two discrete duplicate of sarples X X Fluoride, <br /> samples) 2 and 4 Total <br /> Chromium <br /> 6 A, B, C, D 3 foot depth Fluoride, <br /> composite A & B Total <br /> composite C & D Chromium <br /> Background metals <br /> 16 A, B, C, D (composite to a X X Total <br /> single sample) Chromium <br /> random samples <br /> from pile of <br /> outside pipe <br /> overburden <br /> 7 northeast corner, X X Total <br /> tank excavation Chromium <br /> between tank cells <br /> 1 and 2 or nearest <br /> visible contamination <br /> 8 northwest corner, X X Total <br /> tank excavation Chromium <br /> between tank cells 2 <br /> and 3 or nearest <br /> visible contamination <br />