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a - ■■. i ■ 05 a oMao r Stree' ' i i ■■i M ■i
<br /> • STOCKTON, CA 0 •
<br /> AS PRESENTED IN CAP DATED OCTOBER,2004 BY GEOMATRIX' AS PRESENTED IN CAP ADDENDUM DATE
<br /> MARCH,2005 BY HUFF &HUFF,INC
<br /> Alternative
<br /> ernative 1 Alternative 2 Alternative 3 Alternative 4 Alternative 5 Alternative 6 Alternative 7 Al A2 A3
<br /> 1Iatural Excavation Tank Excavation Excavation Excavatio
<br /> enuation Enhanced in-situ Area to 1' Below Complete With On Excavation 5'
<br /> Excavation Excavation Removal of 14'-17' In
<br /> e Product Bioremediation Air Watertable and Excavation Tank Site Low- Into Watertable
<br /> Limited With Off- Complete With Off- TPH to 500 Watertat
<br /> noval and Sparging and Enhanced Area Temperature
<br /> Site Disposal Site Disposal mg/kg 14'-17' Laterally toLaterally al
<br /> uarterly Bioventmg Bioremediaion& Thermal Into Watertable MW-3 MW-3
<br /> )nitoring Product Removal Desorption
<br /> N/A N/A 117 yd' 780 yd' 5,300 yd' 8,400 yd 8,400 yd 850 yd 627 yd 961 yd-
<br /> N/A N/A 390 yd 390 yd 2,650 yd 4,200 yd 4,200 yd 506 yd' 672 yd 672 Poor 40% Mass yd`
<br /> Moderate to Poor Poor 15% Mass Poor 75% Mass Good Removes Good Removes Good Rem
<br /> rd Already Removal, Clean Good Removes All Good Removes All Clay Rich Soils Will Removal, Clean Fill Removal, Off-Site Majority of Majority of Majority
<br /> Erring at Site Inhibit to Become Impacted Fill to Become Residual Impacts Residual Impacts Residual Impacts Impacted Soil Impacted Soil Impacted '
<br /> Impacted
<br /> 6 Months to 6 Months to 6 Months to 1 Year(pending 1 Year(pending 6 Months to 6 Months to 6 Months
<br /> Implement,Years
<br /> Implement, approval of access approval of access Implement, Implement,
<br /> ifively Long 1 Yr to Implement Implement, Relatively Long Achieve WQO's to Decades to to Decade
<br /> Implement,Relatively Long To agreements and agreements and Years to
<br /> 10 Years Operation Relatively Long To To Achieve permits from permits from Decades to
<br /> Achieve W�0's WOO's multiple agencies) multiple agencies) Achieve WQO's Achieve WQO's Achieve W(
<br /> Easily Difficult due to RR Difficult due to RR Implementable, Implements
<br /> lementable Implementable Implementable Implementable Implementable Constraints Constraints Shoring is Not Implementable Shoring is
<br /> Cost Effective Cost Effec
<br /> 140,100 $2,351,500 $246,700 $613,240 $1,837,400 $5,156,300 $3,123,700 $254,500 to $151,000 to $276,300
<br /> $298,500 $183,000 $322,50
<br /> N/A 2 N/A 2 6,750 lbs TPH , 18,000 lbs 33,750 lbs fe ) (�45,000 lbs TPH +d 45,000 lbs TPH +d 11,342 lbs 10,188 lbs TPH +d 11,640 lbs Tf
<br /> Z9 d1 TPH(g+d) TPH(g+d) TPH(g,d) Is )
<br /> z z $34 07/lb $54 44/!b $69 42/lb $22 44/lb to $14 82/lb to $23 73/lb
<br /> NIA N/A $36 5511b TPH(g+d) TPH(g+d) TPH(g-d) $114 58/lb TPH(g+d) TPH(g+d) $26 32/lb $17 96/lb $277011
<br /> TPH(g+d) I TPH(g+d) TPHIg+d
<br /> concerning Alternatives 1-7 is derived from the GEOMATRIX document dated October,2004
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