National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name BORIC ACID (H2B4O7) , DISODIUM SALT
CAS # 1330-43-4
RTECS #
Agent Code M3899

SIC Industry Description (1972) Total # Employees
(Male & Female)
Total # Female
Employees
15 GENERAL BUILDING CONTRACTORS 85  
16 HEAVY CONSTRUCTION CONTRACTORS 2,999  
17 SPECIAL TRADE CONTRACTORS 4,911  
20 FOOD AND KINDRED PRODUCTS 4,827 2,950
22 TEXTILE MILL PRODUCTS 831  
23 APPAREL AND OTHER TEXTILE PRODUCTS 260  
24 LUMBER AND WOOD PRODUCTS 381  
26 PAPER AND ALLIED PRODUCTS 6,088 2,985
27 PRINTING AND PUBLISHING 3,355 1,033
28 CHEMICALS AND ALLIED PRODUCTS 6,698 1,979
29 PETROLEUM AND COAL PRODUCTS 4,869  
30 RUBBER AND MISC. PLASTICS PRODUCTS 562  
31 LEATHER AND LEATHER PRODUCTS 786  
32 STONE, CLAY, AND GLASS PRODUCTS 1,175 610
33 PRIMARY METAL INDUSTRIES 1,026  
34 FABRICATED METAL PRODUCTS 10,249 279
35 MACHINERY, EXCEPT ELECTRICAL 5,600 350
36 ELECTRIC AND ELECTRONIC EQUIPMENT 4,368 3,282
37 TRANSPORTATION EQUIPMENT 1,216  
38 INSTRUMENTS AND RELATED PRODUCTS 2,377 1,051
39 MISCELLANEOUS MANUFACTURING INDUSTRIES 116 46
42 TRUCKING AND WAREHOUSING 344  
45 TRANSPORTATION BY AIR 528  
49 ELECTRIC, GAS, AND SANITARY SERVICES 2,397 173
50 WHOLESALE TRADE - DURABLE GOODS 520  
51 WHOLESALE TRADE - NONDURABLE GOODS 3,738  
55 AUTOMOTIVE DEALERS & SERVICE STATIONS 3,574  
73 BUSINESS SERVICES 816  
75 AUTO REPAIR, SERVICES, AND GARAGES 2,049  
80 HEALTH SERVICES 1,368 343
TOTAL 78,116 15,080

*(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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