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6-04-1997 2:24PM FROM ( ALCOAST S10 652 3085 P. 3 <br /> Page of12 <br /> Ret:Lab Fily. 0501-197(d] <br /> 2. ANALYSIS REQUIRED, continued; <br /> H. Total Threshold Limit Concentration (TTLC) metals content by <br /> Atomic Absorption Spectroscopy (AAS). <br /> '77us analysis covers all petwoum hydrocarbons which are heavier than s/andeld diesel and volable up to 1500 <br /> 3. METHODS OF ANALYSIS: <br /> A. EPA Method 8015; SW-846 <br /> B. EPA Method 8015; SW-846 <br /> C. EPA Method 8240; SW-846 <br /> D. EPA Method 8015 - modified and 8240; SW-846 <br /> E. Method 413.2; EPA - 600/4-79-020 <br /> F. EPA Method 8240; SW-846 <br /> G. EPA Method 8270; SW-846 <br /> H. Sample Digestion - EPA 3000/7000 Series Methods; SW-846 <br /> AAS Analysis - EPA 7000 Series Methods; SW-646 <br /> 4. RESULTS: <br /> A- TPH - gasoline <br /> The submitted sample contained < 0.05 mg/kg TPN - gasoline <br /> (none detected). <br /> Method 81ank=<0.05 ffy*g,(nons detected) <br /> Mean Spike Recovery=1099E <br /> B. TPH - diesel <br /> The submitted sample contained < 0.05 mg/kg TPH - diesel (no e <br /> detected). <br /> Method Blank=<0.05mg/kg(none detected) <br /> Mean Spike Recovery=f06% <br /> i <br />