                             EPA ICR Number 2311.01
                                        
                               ICR ATTACHMENT H
                                       
                              Labor Wage Formulas
                                       
Registrant Labor Costs *
Labor Category:
Formula
                                  Managerial
                                   Technical
                                   Clerical
Unloaded Hourly Rate [1]
 = W
                                    $55.84
                                    $28.25
                                    $17.23
Benefits Percentage [2]
Lb = B/W
                                      44%
                                      44%
                                      44%
Benefits per hour
B = W*Lb
                                    $24.35
                                    $12.32
                                     $7.51
Loaded Hourly Rate
Wb = W+B = W(1+Lb)
                                    $80.19
                                    $40.57
                                    $24.74
Overhead Percentage [3]
Lo = OH/Wb
                                      50%
                                      50%
                                      50%
Overhead per hour
OH = Wb*Lo
                                    $40.09
                                    $20.28
                                    $12.37
Fully Loaded Wage Rate
Wf = Wb + OH
 = W + B + OH  
                                    $120.28
                                    $60.85
                                    $37.11
   1.    Data Source:  http://www.bls.gov/oes/current/naics4_325300.htm 
        Management:  11-0000, Management Occupations
        Technical:  19-0000, Life Physical, and Social Science Occupations
        Clerical:  43-0000, Office and Administrative Support Occupations
   2.    Fringe benefits / wage per hour
   3.    U.S. Environmental Protection Agency, EPA Air Pollution Control Cost Manual, Sixth Edition, EPA-452-02-001, January 2002, pg. 2-34.  The loading for indirect costs is within the range of 20-70% of the loaded labor rate (wage + benefits) suggested in EPA guidance.
* US Department of Labor Statistics May 2010


State Government Labor Costs *
Labor Category
Formula
                                  Managerial
                                   Technical
                                   Clerical
Unloaded Hourly Rate [1]
= W
                                    $33.29
                                    $23.02
                                    $15.75
Benefits Percentage [2]
Lb = B/W
                                      44%
                                      44%
                                      44%
Benefits per hour
B = W*Lb
                                    $14.31
                                     $9.90
                                     $6.77
Loaded Hourly Rate
Wb = W+B =  W(1+Lb)
                                    $47.60
                                    $32.92
                                    $22.52
Overhead Percentage [2]
Lo = OH/Wb
                                      50%
                                      50%
                                      50%
Overhead per hour
OH = Wb*Lo
                                    $23.80
                                    $16.46
                                    $11.26
Fully Loaded Wage Rate
Wf = Wb + OH
= W + B + OH
                                    $71.41
                                    $49.38
                                    $33.78
   1.    Data Source:  http://www.bls.gov/oes/current/naics4_999200.htm 
      Management:  11-0000, Management Occupations
      Technical:  19-0000, Life Physical, and Social Science Occupations
      Clerical:  43-0000, Office and Administrative Support Occupations
   2.    Fringe benefits / wage per hour
   3.    U.S. Environmental Protection Agency, EPA Air Pollution Control Cost Manual, Sixth Edition, EPA-452-02-001, January 2002, pg. 2-34.  The loading for indirect costs is within the range of 20-70% of the loaded labor rate (wage + benefits) suggested in EPA guidance.
* US Department of Labor Statistics May 2010
EPA (Agency) Labor Costs *
Labor Category
Formula
                                  Managerial
                                   Technical
                                   Clerical
Unloaded Hourly Rate [1]
= W
                                    $49.39
                                    $30.93
                                    $21.99
Benefits Percentage [2]
Lb = B/W
                                      44%
                                      44%
                                      44%
Benefits per hour
B = W*Lb
                                    $18.66
                                    $13.30
                                     $9.46
Loaded Hourly Rate
Wb = W+B = W(1+Lb)
                                    $62.05
                                    $44.23
                                    $31.45
Overhead Percentage [3]
Lo = OH/Wb
                                      50%
                                      50%
                                      50%
Overhead per hour
OH = Wb*Lo
                                    $31.02
                                    $22.11
                                    $15.72
Fully Loaded Wage Rate
Wf = Wb + OH
= W + B + OH
                                    $93.07
                                    $66.34
                                    $47.17
   1.    Data Source:  http://www.bls.gov/oes/current/naics4_999100.htm 
        Management:  11-0000, Management Occupations
        Technical:  19-0000, Life Physical, and Social Science Occupations
        Clerical:  43-0000, Office and Administrative Support Occupations
   2.    Fringe benefits / wage per hour
   3.    U.S. Environmental Protection Agency, EPA Air Pollution Control Cost Manual, Sixth Edition, EPA-452-02-001, January 2002, pg. 2-34.  The loading for indirect costs is within the range of 20-70% of the loaded labor rate (wage + benefits) suggested in EPA guidance.
* US Department of Labor Statistics May 2010


