Assumptions:
Western Oregon Douglas Fir, low elevation, BPA biomass estimate
Biomass Production (Tons/acre/year)	2.28
Carbon/Biomass Ratio	0.5
Weight Ratio of CO2/C	3.67
Total Tons CO2/acre/year	4.18
Cost/acre of planting	$500
Cost/acre of monitoring/maintenance	$375
Hermiston CO2 Production (tons/CO2/year)	1,528,073
Total Acreage Required	365,236
Total square miles required	571
Annual acreage replanted by USFS in Oregon	75,000
Total percentage relative level of effort	487%
Cost/ton CO2 @ 4% real, 30 year life, free land/maintenance	$4
Cost/ton CO2 w/ $500/acre purchase/maintenance	$8
Cost/ton CO2 w/ $1000/acre purchase/maintenance	$12
Cost/ton CO2 w/ $1500/acre purchase/maintenance	$16

Assumptions:
Marland (1988) biomass estimate
Biomass Production (Tons/acre/year)	1.09
Carbon/Biomass Ratio	0.5
Weight Ratio of CO2/C	3.67
Total Tons CO2/acre/year	2.01
Cost/acre of planting	$500
Cost/acre of monitoring/maintenance	$375
Hermiston CO2 Production (tons/CO2/year)	1,528,073
Total Acreage Required	762,125
Total square miles required	1,191
Annual acreage replanted by USFS in Oregon	75,000
Total percentage relative level of effort	1016%
Cost/ton CO2 @ 4% real, 30 year life, free land/maintenance	$8
Cost/ton CO2 w/ $500/acre purchase/maintenance	$17
Cost/ton CO2 w/ $1000/acre purchase/maintenance	$25
Cost/ton CO2 w/ $1500/acre purchase/maintenance	$33

Assumptions:
Tropical forest, Sedjo biomass and cost estimates
Biomass Production (Tons/acre/year)	5.02
Carbon/Biomass Ratio	0.5
Weight Ratio of CO2/C	3.67
Total Tons CO2/acre/year	9.21
Cost/acre of planting/maintenance (low, free land)	$1,977
Cost/acre of planting/maintenance (high, includes $162/acre land purchase cost)	$3,459
Hermiston CO2 Production (tons/CO2/year)	1,528,073
Total Acreage Required	165,947
Total square miles required	259
Annual acreage replanted by USFS in Oregon	75,000
Total percentage relative level of effort	221%
Cost/ton CO2 (low)	$7
Cost/ton CO2 (high)	$13