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f <br /> i GeoSyntec Consultants <br /> Table 2 <br /> Geochemical Parameters Data Summary <br /> HRC Pilot Scale Field Demonstration <br /> Western Farm Service, Inc. - Vernalis, California <br /> MW-4(**) MW-6 <br /> Analyte Units Method UPGRADIENT INTERGRID <br /> 6/3/2002* 8/21/2003 8/31/2004 1 6/4/2002* 1 8/8/2002 1 1//14/2002 1 2/4/2003 1 5/21/2003 8/21/2003 12/4/2003 3/31/2004 5/27/2004 8/3//2004 11/23/2004 <br /> VOCs <br /> 1,2-Dichloropropane µg/L EPA 826013 ND<l 0 ND<1 0 ND<1 0 692 623 769 710 767 772 672 777 656 493 636 <br /> 1,2,3-Tnchloropropane µg/L EPA 8260B ND<1 0 ND<1 0 ND<1 0 384 564 474 504 61 1 609 63 1 74 6 606 575 ND< 10 <br /> 2-Chloropropane µg/L EPA 8260B ND<l 0 ND<l 0 ND<1 0 ND<1 0 ND<1 0 ND<l 0 ND<2 0 ND<l 0 ND<l 0 ND<1 0 ND< 1 0 ND< 10 ND< 1 0 ND< 10 <br /> 1-Chloropropane µg/L EPA 8260B ND<1 0 ND<l 0 ND<I 0 ND<1 0 ND<l 0 ND<1 0 ND<2 0 ND<l 0 ND<l 0 16 ND< 1 0 ND< 10 ND< 1 0 28 <br /> Permanent Gases <br />' Ethylene mg/L ASTM D1945 ND<0 005 ND<0 007 ND<0 010 ND<0 010 ND<0 002 ND<0 008 ND<0 010 ND<0 010 ND<0 010 ND<0 010 ND<0 010 ND<0 132 ND<0 010 ND<0 010 <br /> Ethane mg/L ASTM D1945 ND<0 005 ND<0 007 ND<0 010 ND<0 010 ND<0 002 ND<0 008 ND<0 010 ND<0 010 ND<0 010 ND<0 010 ND<0 010 ND<0 132 ND<0 010 ND<0 010 <br /> Methane mg/L ASTM D 1945 ND<0 003 ND<0 007 ND<0 007 ND<0 007 0 004 0 281 0 504 109 269 105 177 229 263 1 65 <br /> L Carbon Dioxide mg/L ASTM D 1945 494 754 151 -- 412 -- 176 259 -- -- 336 313 313 <br /> Propene mg/L ASTM 131945 ND<0 005 ND<0 007 ND<0 010 ND<0 010 0 003 0 008 ND<0 010 ND<0 010 ND<0 010 ND<0 010 ND<0 010 ND<0 132 ND<0 010 ND<0 010 <br /> Metabolic Acids <br /> Acetic mg/L HPLC/UV ND<1 0 ND<1 0 ND<1 0 ND<1 0 ND<10 ND<20 ND<20 ND< 10 ND<50 ND<50 ND< 10 ND<20 ND<l 0 ND<1 0 <br /> Butync mg/L HPLC/UV ND<1 0 ND<1 0 ND<1 0 ND<1 0 ND<10 ND<20 ND<20 ND< 10 ND<50 ND<50 ND< 10 ND<20 ND<l 0 ND<l 0 <br /> Lactic mg/L HPLC/UV ND<l 0 ND<1 0 ND<1 0 ND<1 0 ND<10 ND<20 ND<20 ND< 10 ND<50 ND<50 ND< 10 ND<20 ND<l 0 ND<l 0 <br /> Propionic mg/L HPLC/UV ND<1 0 ND<t 0 ND<1 0 ND<1 0 ND<10 ND<20 ND<20 ND< 10 ND<50 ND<50 ND< 10 ND<20 ND<1 0 ND<l 0 <br /> Pyruvic mg/L HPLCIUV ND<0 1 ND<1 0 ND<0 1 ND<0 I ND<2 0 ND<5 0 ND<10 ND< 10 ND<25 ND<5 0 ND< 10 ND<2 0 ND<0 1 ND<0 1 <br /> General Chemistry -- <br /> Carbonate,as CaCO3 mg/L SM 2320 B ND<10 ND<10 ND<10 ND<10 ND<10 ND<l ND<50 ND<20 ND<10 ND< 10 ND< 10 ND< 10 ND< 10 <br /> Hydroxide Alkalinity mg/L SM 2320 B ND<10 ND<10 ND<10 ND<10 ND<10 -- ND<50 ND<20 ND<10 ND< l0 ND< 10 -- ND< 10 ND< 10 <br />' Bicarbonate,as CaCO3 mg/L SM 2320 B 345 500 435 477 753 1,310 1,390 1,400 1,420 1,380 1,500 1,340 1,190 1,250 <br /> BOD(5 day) mg/L SM-!2I0B ND<4 7 0 50 18 26 4 <br /> Nitrogen,Amnioma mg/L SM 4500 B,E ND<l 0 058 035 346 517 612 300 736 706 886 744 744 734 659 <br /> Sulfide,total mg/L EPA 376 2 ND<0 10 ND<0 50 ND<0 10 ND<2 5 ND<1 0 ND<10 ND<10 ND<5 0 ND<5 0 ND<5 0 ND<2 5 ND<0 10 ND<0 10 ND<0 10 <br /> Alkalinity,as CaCO3 mg/L SM 2320 B 345 500 435 477 753 1,310 1,390 1,400 1,420 1,380 1,500 1,340 1,190 1,250 <br /> H pH EPA 9040 73 72 68 73 70 72 72 69 71 69 76 69 68 -- <br /> Chloride mg/L EPA 9056 136 154 170 161 138 172 169 155 147 199 155 144 163 336 <br /> Nitrogen,Nitrate+NEtnte mg/L EPA 9056 9 6 6 7 34 228 230 231 240 309 290 313 300 145 276 181 <br /> Sulfate mg/L EPA 9056 110 135 126 556 511 556 559 595 679 727 735 647 784 808 <br /> 1 <br /> Dissolved Metals <br /> Dissolved Arsenic mg/L EPA 7060A ND<0 005 ND<0 005 ND<0 005 0 108 0 180 0 196 0 201 0 248 0 192 0 169 0 023 0 262 0 220 0 149 <br /> Dissolved Chromium mg/L EPA 6010B ND<0 005 ND<0 005 ND<0 005 0 023 0 030 0 005 0 013 0 010 0 017 0 007 0 012 0 006 0 008 ND<0 005 <br /> Dissolved Copper mg/L EPA6010B ND<0 005 ND<0 005 ND<0 005 0 037 0 033 0 013 0 013 0 023 002 0 009 0 081 0 027 0 033 0 049 <br /> Dissolved Iron mg/L EPA 200 7 0 034 0 664 ND<0 100 234 286 228 234 0 297 167 0 801 1 88 0 082 0 250 0 436 <br /> Dissolved Manganese mg/L, EPA 200 7 ND<0 010 0 176 0 012 0 812 0 846 0 476 0 354 0 099 243 0 344 0 373 0 276 0 286 0 282 <br /> Dissolved Mercury mg/L EPA 7470A ND<0 0005 ND<0 0005 ND<0 0005 ND<0 00050 000065 ND<0 0005 ND<0 0005 ND<0 0005 000228 ND<0 0005 000377 ND<0 00050 ND<0 00050 ND<0 00050 <br /> Dissolved Nickel mg/L EPA 6010B ND<0 005 0 005 ND<0 005 0 095 0 081 0 077 0 074 00058 0 094 0 078 0 065 0 043 0 054 0 067 <br /> Dissolved Zinc mg/L EPA 6010B 0 015 0 426 0 342 0 110 0 605 0 438 0 639 0 538 0 563 0 656 _0_42-1 0 402 0 296 0 353 <br /> Total Metals <br /> Iron mg/L EPA 200 7 58 7 344 64 3 1020 794 543 2090 818 848 644 320 756 0 601 61 6 <br /> Manganese mg/L EPA 200 7 1 75 083 1 70 25 2 179 142 425 174 168 14 9 743 0 447 0 241 159 <br /> Phosphorous mg/L I EPA 200 7 1 1 1 1 ND<1 0 12 -- 260 382 247 414 T 362 380 298 340 259 265 <br /> "--"means not analyzed <br /> *Pre-infection sample results <br /> ** Wells monitored on an annual basis i <br /> P5PRJ2003REfI\WFS%VERIMONR4QO41GakO4078 xis <br />