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TABLE 2. Soil Analytic Results for Tanks 7 and 8 - Diamond Walnut Growers, Stockton, California <br /> Sample Sample Date Analytic Soluble So lube Soluble Total Total Total Total <br /> ID Depth Sampled Lab Cr Cry Cu Na Ca SO4 Cl <br /> (ft) .............--...-----------------------•PPm--............-.-.-------------------------> <br /> Tank 7-A 10.1 12/15/88 CEC 0.9 --- 0.6 38 --- 28 --- <br /> Tank 7-B 15.0 12/15/88 CEC 0.1 --- 0.3 63 --- 45 --- <br /> Tank 7-C 10.6 12/15/88 CEC 0.53 --- 0.13 71 ... 38 ... <br /> Tank 7-D 15.0 12/15/88 CEC 0.39 ... 0.43 140 ... 640 ... <br /> Tank 8-A 10.5 12/15/88 CEC 5.9 4.2 0.24 170 3,400 26 12,000 <br /> Tank 8-B 14.6 12/15/88 CEC 12 11 0.19 340 9,200 36 20,000 <br /> Tank 8-C 10.5 12/16/88 CEC 16 6.5 0.2 340 9,600 15 20,000 <br /> Tank 8-D 14.9 12/16/88 CEC 9.9 7.0 0.3 380 8,100 <10 19,000 <br /> Tank 6 11.2 12/15/88 CEC 0.03 --- 0.38 220 78 970 200 <br /> (background) <br /> Tank 7 8 8 10.9 12/15/88 CEC 0.14 --- 0.67 150 130 120 350 <br /> (background) <br /> Extraction <br /> Technique WET WET WET 3050 3050 DI DI <br /> Analytic <br /> Technique 6010 7196 6010 6010 6010 375.4 325.3 <br /> DHS STLC 560 5.0 25 NE NE NE NE <br /> DNS TTLC 2,500 500 2,500 NE NE NE NE <br /> Abbreviations: Extraction/Analytic Methods: <br /> Cr = Chromium - WET = California Administrative Code, Title 22, Waste Extraction Test <br /> Cr+6 = Hexavalent Chromium 3050 = EPA Method 3050, Nitric Acid Digestion <br /> Cu = Copper DI = Deionized water dilution -y <br /> Na = Sodium 6010 = EPA Method 6010, Inductively Coupled Argon Plasma (ICAP) <br /> Ca = Calcium 7196 = EPA Method 7196, Colorimetric H <br /> SO4 = Sulfate 375.4 = EPA Method 375.4, Turbidimetric (n <br /> Cl = Chloride 325.3 = EPA Method 325.4, Titrimetric <br /> STLC = DHS Soluble Threshold Limit Concentration S <br /> TTLC = DHS Total Threshold Limit Concentration <br /> --- = Not Analyzed u' <br /> NE = STLC and TTLC not established <br />