Attachment D
Work Sheets used to Calculate Industry Labor Costs
This attachment is available as part of the electronic docket EPA-HQ-OPP-2018-0266 and is part of the ICR’s Supporting Statement.
NAICS: 3250A1
Chemical Manufacturing (3251, 3252, 3253, and 3259 only)
Labor Category:  | 
		Formula  | 
		Managerial  | 
		Technical  | 
		Clerical  | 
	
Unloaded Hourly Rate1  | 
		= W  | 
		$58.18  | 
		$30.26  | 
		$19.92  | 
	
Benefits Percentage2  | 
		Lb = B/W  | 
		46.5%  | 
		46.5%  | 
		46.5%  | 
	
Benefits per hour  | 
		B = W*Lb  | 
		$27.04  | 
		$14.06  | 
		$9.26  | 
	
Loaded Hourly Rate  | 
		Wb = W + B = W(1+Lb)  | 
		$85.22  | 
		$44.32  | 
		$29.18  | 
	
Overhead Percentage3  | 
		Lo = OH/Wb  | 
		50%  | 
		50%  | 
		50%  | 
	
Overhead per hour  | 
		OH = Wb*Lo  | 
		$42.61  | 
		$22.16  | 
		$14.59  | 
	
Fully Loaded Hourly Rate  | 
		
			Wf = Wb + OH  | 
		$127.82  | 
		$66.48  | 
		$43.76  | 
	
1. Data Source: BLS http://www.bls.gov/oes/current/naics4_3250A1.htm May 2017 data
NAICS 3250A1 - Chemical Manufacturing (3251, 3252, 3253, and 3259 only)
Standard Occupational Codes:
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 load labor rate (wage + benefits) suggested in EPA guidance.
| File Type | application/vnd.openxmlformats-officedocument.wordprocessingml.document | 
| Author | SDrewes | 
| File Modified | 0000-00-00 | 
| File Created | 2021-01-20 |