National Occupational Exposure Survey
(1981 - 1983)

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

Agent Name 2H-1-BENZOPYRAN-2-ONE, 7-(DIETHYLAMINO)-4-METHYL-
CAS # 91-44-1
RTECS #
Agent Code X9410

SIC Industry Description (1972) Total # Employees
(Male & Female)
Total # Female
Employees
22 TEXTILE MILL PRODUCTS 8,317 272
27 PRINTING AND PUBLISHING 779  
35 MACHINERY, EXCEPT ELECTRICAL 1,418 55
37 TRANSPORTATION EQUIPMENT 87  
45 TRANSPORTATION BY AIR 168  
72 PERSONAL SERVICES 10,868 8,668
73 BUSINESS SERVICES 6  
TOTAL 21,642 8,996

*(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.

NIOSH Home | NIOSH Search | Site Index | Contact Us | NOES Home