National Occupational Exposure Survey
(1981 - 1983)

Estimated Numbers of Employees Potentially Exposed to Specific Agents by 2-Digit Standard Industrial Classification (SIC)*

Agent Name MAGNESIUM SULFATE
CAS # 7487-88-9
RTECS # OM4500000
Agent Code 43410

SIC Industry Description (1972) Total # Employees
(Male & Female)
Total # Female
Employees
07 AGRICULTURAL SERVICES 6,091 2,898
15 GENERAL BUILDING CONTRACTORS 1,406 293
16 HEAVY CONSTRUCTION CONTRACTORS 170 106
20 FOOD AND KINDRED PRODUCTS 10,026 2,024
22 TEXTILE MILL PRODUCTS 719 214
23 APPAREL AND OTHER TEXTILE PRODUCTS 680 45
24 LUMBER AND WOOD PRODUCTS 1,874 230
25 FURNITURE AND FIXTURES 14,205 8,533
26 PAPER AND ALLIED PRODUCTS 3,047 447
27 PRINTING AND PUBLISHING 13,014 4,751
28 CHEMICALS AND ALLIED PRODUCTS 12,244 2,787
29 PETROLEUM AND COAL PRODUCTS 1,284 56
30 RUBBER AND MISC. PLASTICS PRODUCTS 3,463 43
31 LEATHER AND LEATHER PRODUCTS 1,981 1,373
32 STONE, CLAY, AND GLASS PRODUCTS 156 37
33 PRIMARY METAL INDUSTRIES 379 152
34 FABRICATED METAL PRODUCTS 1,786 577
35 MACHINERY, EXCEPT ELECTRICAL 198 83
36 ELECTRIC AND ELECTRONIC EQUIPMENT 315 135
37 TRANSPORTATION EQUIPMENT 2,804 172
38 INSTRUMENTS AND RELATED PRODUCTS 3,463 2,465
39 MISCELLANEOUS MANUFACTURING INDUSTRIES 903 418
41 LOCAL AND INTERURBAN PASSENGER TRANSIT 1,875 268
42 TRUCKING AND WAREHOUSING 837 101
45 TRANSPORTATION BY AIR 883 355
48 COMMUNICATION 5,130  
49 ELECTRIC, GAS, AND SANITARY SERVICES 764 164
50 WHOLESALE TRADE - DURABLE GOODS 1,024 104
51 WHOLESALE TRADE - NONDURABLE GOODS 431  
55 AUTOMOTIVE DEALERS & SERVICE STATIONS 297 172
72 PERSONAL SERVICES 10,046 4,981
73 BUSINESS SERVICES 49,032 20,950
75 AUTO REPAIR, SERVICES, AND GARAGES 3,180  
80 HEALTH SERVICES 78,743 51,815
84 MUSEUMS, BOTANICAL, ZOOLOGICAL GARDENS 2,556 1,324
TOTAL 235,005 108,074

*(1) By survey design, not all 2-digit SICs were surveyed. (2) The estimates for each 2-digit SIC apply only to the 3- and 4-digit SICs surveyed within the 2-digit SIC. Not all SICs were surveyed. (3) When using the estimates, standard errors associated with estimates should be considered. (4) Potential exposures to a chemical agent are categorized as actual (i.e., the surveyor observed the use of the specific agent) or tradename (i.e., the surveyor observed the use of a tradename product known to contain the specific agent). The estimates presented in the table combine both categories.

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