Transcript Draft & Revised Chart Book Slides

35a. Exposure to vapors, gas, dust, or fumes at work, twice a week or
more, by industry, 2010
% of industry
Mining
61%
Agriculture
51%
Construction
51%
Transportation
41%
Manufacturing
39%
Utilities
35%
Wholesale trade
23%
Retail trade
22%
Public admin
22%
Services
19%
Information
Finance
All industries
17%
6%
25%
35b. Exposure to contaminants (such as pollutants, gases, dust, or odors) at
work, selected occupations
Exposure score
Sheet metal
Insulation worker
Painter
Roofer
Drywall
Heat A/C mech
Elevator installer
Operating engineer
Welder
Brickmason
Carpenter
Concrete
Ironworker
Laborer
Foreman
Power-line installer
Electrician
Construction manager
Never
(0)
90
90
84
83
83
82
82
80
80
78
77
75
73
65
65
63
62
57
> once a year
(25)
> once a month
(50)
> once a week
(75)
Every day
(100)
35c. Average welding fume exposures in construction, by occupational
exposure limits, based on OSHA data, 1978-2008
Average exposures as a % of OELs
445%
444%
445%
Lead
126%
Cadmium
252%
58%
Hexavalent
chromium
Nickel
(insoluble)
Manganese
600%
116%
23%
300%
5%
52%
10%
2%
ACGIH TLV®
NIOSH REL
OSHA PEL
35d. Average welding fume exposures in construction compared to
occupational exposure limits
Milligrams per cubic meter (mg/m3)
4.88
Total welding
fumes
(n = 296)
Manganese
(n = 191)
3.00 *
0.11
0.20
1.00
5.00
Hexavalent
chromium
(n = 58)
0.004
0.010
0.001
0.005
Exposure level
ACGIH TLV®
NIOSH REL
OSHA PEL