... already existing Acid Rain allowances. Plus opt-in ... For Acid Rain ... the tonnage equivalent of the Acid Rain deductions is 75 tons (70 1-to-1 and 10 ...
Source emissions total compared to allowance holdings in source account
Deductions made at 1 1 ratio
One allowance per ton (NOx) or ounce (Hg)
15 CAIR NOx and CAMR Excess Emissions
When there are not enough allowances to cover emissions in the source account
Allowances are deducted from following years allocation at 31 rate
3 allowances for each ton (NOx) or ounce (Hg) of excess
Other enforcement action possible
16 CAIR SO2Annual Reconciliation
EPA Region 7 Workshop
Kansas City
August 16 2007
Mary Shellabarger
17 Deductions for CAIR SO2
Compliance is determined in 2 steps to meet the continuing requirements of title IV and new requirements of CAIR.
Step 1 all Acid Rain deductions are made
Step 2 any additional deductions to complete CAIR compliance are done
18
Deductions for CAIR SO2 cont.
CAIR SO2 Allowance definition specifies different values based upon vintage years
Retirement ratios do not apply to title IV sources outside the CAIR region.
Vintage year Authorizes Implementing a ratio of Pre-2010 SO2 allowance 1.00 tons of SO2 emissions 2010 2014 SO2 allowance 0.50 tons of SO2 emissions 2.00 - to - 1 2015 and Beyond SO2 allowance 0.35 tons of SO2 emissions 2.86 - to - 1 19 Deductions for CAIR SO2 Example 1
Source W has 100 tons of SO2 emissions in 2012
It is holding 70 vintage 2009 allowances and 70 vintage 2012 allowances
For Acid Rain
70 vintage 2009 allowances and 30 vintage 2012 allowances are deducted compliance complete
For CAIR
the tonnage equivalent of the above deductions is 85 tons
( 70 1-to-1 and 30 2-to-1 701585)
30 more vintage 2012 allowances are deducted at 2-to-1 (a tonnage equivalent 15 tons) 100 tons accounted for compliance complete
20 Deductions for CAIR SO2 Example 2
Source W has 100 tons of SO2 emissions in 2012
It is holding 70 vintage 2009 allowances and 50 vintage 2012 allowances
For Acid Rain
70 vintage 2009 allowances and 30 vintage 2012 allowances are deducted compliance complete
For CAIR
the tonnage equivalent of the above deductions is 85 tons (70 1-to-1 and 30 2-to-1 701585)
the remaining 20 vintage 2012 allowances are deducted at 2-to-1 (a tonnage equivalent 10 tons) 95 tons accounted for 5 tons excess emissions
21 Deductions for CAIR SO2 Example 2 Excess Emissions