| 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.