National Occupational Exposure Survey
(1981 - 1983)

Estimated Numbers of Employees Potentially Exposed to Specific Agents by Occupation*

Agent Name PHOSPHORIC ACID, MONOAMMONIUM SALT
CAS # 7722-76-1
RTECS #
Agent Code M0156

Code Occupation Description (1980) Total # Employees
(Male & Female)
Total # Female
Employees
018 FUNERAL DIRECTORS 541  
019 MANAGERS AND ADMINISTRATORS, N.E.C. 69  
044 AEROSPACE ENGINEERS 148  
048 CHEMICAL ENGINEERS 7 2
059 ENGINEERS, N.E.C. 199  
069 PHYSICISTS AND ASTRONOMERS 1,354 829
073 CHEMISTS, EXCEPT BIOCHEMISTS 969 68
078 BIOLOGICAL AND LIFE SCIENTISTS 209 188
084 PHYSICIANS 92 92
185 DESIGNERS 100 25
189 PHOTOGRAPHERS 1,294 397
203 CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS 5,513 4,050
208 HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. 1,625 1,134
213 ELECTRICAL AND ELECTRONIC TECHNICIANS 747 84
216 ENGINEERING TECHNICIANS, N.E.C. 2,403 272
223 BIOLOGICAL TECHNICIANS 243 194
224 CHEMICAL TECHNICIANS 7,056 2,032
225 SCIENCE TECHNICIANS, N.E.C. 54  
235 TECHNICIANS, N.E.C. 512 183
345 DUPLICATING MACHINE OPERATORS 82 65
346 MAIL PREPARING AND PAPER HANDLING MACHINE OPERATORS 377 63
356 MAIL CLERKS, EXC. POSTAL SERVICE 174 174
365 STOCK AND INVENTORY CLERKS 45  
379 GENERAL OFFICE CLERKS 37 23
416 FIRE INSPECTION AND FIRE PREVENTION OCCUPATIONS 101  
446 HEALTH AIDES, EXCEPT NURSING 735 497
453 JANITORS AND CLEANERS 6,282  
486 GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM 82  
547 SPECIFIED MECHANICS AND REPAIRERS, N.E.C. 405  
549 NOT SPECIFIED MECHANICS AND REPAIRERS 60  
558 SUPERVISORS, N.E.C. 841  
575 ELECTRICIANS 21  
579 PAINTERS, CONSTRUCTION AND MAINTENANCE 32  
585 PLUMBERS, PIPEFITTERS, AND STEAMFITTERS 2  
588 CONCRETE AND TERRAZZO FINISHERS 90  
593 INSULATION WORKERS 418  
633 SUPERVISORS, PRODUCTION OCCUPATIONS 220  
637 MACHINISTS 379 287
649 ENGRAVERS, METAL 50 7
678 DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS 1,581  
706 PUNCHING AND STAMPING PRESS MACHINE OPERATORS 8 8
719 MOLDING AND CASTING MACHINE OPERATORS 79 20
723 METAL PLATING MACHINE OPERATORS 537 33
734 PRINTING MACHINE OPERATORS 19,404 2,059
735 PHOTOENGRAVERS AND LITHOGRAPHERS 3,700 428
744 TEXTILE SEWING MACHINE OPERATORS 266  
754 PACKAGING AND FILLING MACHINE OPERATORS 196 145
756 MIXING AND BLENDING MACHINE OPERATORS 1,922 118
757 SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS 1,612  
759 PAINTING AND PAINT SPRAYING MACHINE OPERATORS 570 112
766 FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD 52  
774 PHOTOGRAPHIC PROCESS MACHINE OPERATORS 473 43
777 MISCELLANEOUS MACHINE OPERATORS, N.E.C. 1,451 178
779 MACHINE OPERATORS, NOT SPECIFIED 533 141
783 WELDERS AND CUTTERS 831  
785 ASSEMBLERS 174  
796 PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS 183 58
856 INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS 361  
869 CONSTRUCTION LABORERS 4,246 5
873 PRODUCTION HELPERS 24  
877 STOCK HANDLERS AND BAGGERS 619  
883 FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. 8 8
887 VEHICLE WASHERS AND EQUIPMENT CLEANERS 136  
888 HAND PACKERS AND PACKAGERS 565 316
889 LABORERS, EXCEPT CONSTRUCTION 288 91
TOTAL 73,387 14,431

*(1) The estimates for each occupation apply across the surveyed industries in which the agent was observed. Not all industries were surveyed, and not all agents were observed in all surveyed industries. (2) When using the estimates, standard errors associated with estimates should be considered. (3) 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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