National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name MALIC ACID
CAS # 6915-15-7
RTECS # ON7175000
Agent Code M1766

SIC Industry Description (1972) Total # Employees
(Male & Female)
Total # Female
Employees
17 SPECIAL TRADE CONTRACTORS 730  
20 FOOD AND KINDRED PRODUCTS 3,510 2,207
22 TEXTILE MILL PRODUCTS 205  
24 LUMBER AND WOOD PRODUCTS 1,360  
27 PRINTING AND PUBLISHING 330 66
28 CHEMICALS AND ALLIED PRODUCTS 1,013 498
34 FABRICATED METAL PRODUCTS 20,299 17,314
35 MACHINERY, EXCEPT ELECTRICAL 8,639 5,596
36 ELECTRIC AND ELECTRONIC EQUIPMENT 20,872 16,397
37 TRANSPORTATION EQUIPMENT 3,616 566
38 INSTRUMENTS AND RELATED PRODUCTS 3,300 1,839
39 MISCELLANEOUS MANUFACTURING INDUSTRIES 5,078 4,160
46 PIPE LINES, EXCEPT NATURAL GAS 599  
48 COMMUNICATION 2,527 722
49 ELECTRIC, GAS, AND SANITARY SERVICES 1,495  
73 BUSINESS SERVICES 3,550 1,649
76 MISCELLANEOUS REPAIR SERVICES 2,318  
80 HEALTH SERVICES 1,233 595
TOTAL 80,674 51,609

*(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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