National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name PHOSPHORODITHIOIC ACID, MIXED O,O-BIS(SEC-BU AND 1,3-DIMETHYLBUTYL) ESTERS, ZINC SALTS
CAS # 68784-31-6
RTECS #
Agent Code X2306

SIC Industry Description (1972) Total # Employees
(Male & Female)
Total # Female
Employees
13 OIL AND GAS EXTRACTION 26,075  
15 GENERAL BUILDING CONTRACTORS 1,064  
16 HEAVY CONSTRUCTION CONTRACTORS 18,354 225
17 SPECIAL TRADE CONTRACTORS 1,812  
20 FOOD AND KINDRED PRODUCTS 3,114 254
22 TEXTILE MILL PRODUCTS 4,309 245
24 LUMBER AND WOOD PRODUCTS 7,400 179
26 PAPER AND ALLIED PRODUCTS 2,268  
27 PRINTING AND PUBLISHING 2,246 40
28 CHEMICALS AND ALLIED PRODUCTS 418  
29 PETROLEUM AND COAL PRODUCTS 1,288  
30 RUBBER AND MISC. PLASTICS PRODUCTS 86  
31 LEATHER AND LEATHER PRODUCTS 144  
32 STONE, CLAY, AND GLASS PRODUCTS 1,944 985
33 PRIMARY METAL INDUSTRIES 401  
34 FABRICATED METAL PRODUCTS 2,154 23
35 MACHINERY, EXCEPT ELECTRICAL 1,753  
36 ELECTRIC AND ELECTRONIC EQUIPMENT 278  
37 TRANSPORTATION EQUIPMENT 7,058 305
38 INSTRUMENTS AND RELATED PRODUCTS 243 121
41 LOCAL AND INTERURBAN PASSENGER TRANSIT 1,217  
42 TRUCKING AND WAREHOUSING 4,898  
44 WATER TRANSPORTATION 1,752  
45 TRANSPORTATION BY AIR 3,057  
49 ELECTRIC, GAS, AND SANITARY SERVICES 4,205 656
50 WHOLESALE TRADE - DURABLE GOODS 6,456  
55 AUTOMOTIVE DEALERS & SERVICE STATIONS 8,603  
76 MISCELLANEOUS REPAIR SERVICES 4,624  
80 HEALTH SERVICES 457  
TOTAL 117,676 3,034

*(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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