| Agent Name | CITRIC ACID |
| CAS # | 77-92-9 |
| RTECS # | GE7350000 |
| Agent Code | 19680 |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 015 | MANAGERS, MEDICINE AND HEALTH | 9 | |
| 018 | FUNERAL DIRECTORS | 630 | 70 |
| 019 | MANAGERS AND ADMINISTRATORS, N.E.C. | 1,554 | 598 |
| 023 | ACCOUNTANTS AND AUDITORS | 113 | |
| 027 | PERSONNEL, TRAINING, AND LABOR RELATIONS SPECIALISTS | 673 | 525 |
| 036 | INSPECTORS AND COMPLIANCE OFFICERS, EXC. CONSTRUCTION | 32 | 32 |
| 044 | AEROSPACE ENGINEERS | 85 | |
| 053 | CIVIL ENGINEERS | 28 | |
| 055 | ELECTRICAL AND ELECTRONIC ENGINEERS | 144 | |
| 056 | INDUSTRIAL ENGINEERS | 52 | |
| 057 | MECHANICAL ENGINEERS | 463 | |
| 059 | ENGINEERS, N.E.C. | 465 | 11 |
| 073 | CHEMISTS, EXCEPT BIOCHEMISTS | 4,517 | 1,581 |
| 075 | GEOLOGISTS AND GEODESISTS | 28 | |
| 078 | BIOLOGICAL AND LIFE SCIENTISTS | 182 | 139 |
| 083 | MEDICAL SCIENTISTS | 1,789 | 1,350 |
| 084 | PHYSICIANS | 24,580 | 13,096 |
| 086 | VETERINARIANS | 7,023 | 633 |
| 095 | REGISTERED NURSES | 687,150 | 629,873 |
| 096 | PHARMACISTS | 12,878 | 7,403 |
| 097 | DIETITIANS | 1,301 | 1,259 |
| 098 | INHALATION THERAPISTS | 4,934 | 3,141 |
| 099 | OCCUPATIONAL THERAPISTS | 769 | 645 |
| 103 | PHYSICAL THERAPISTS | 15,293 | 11,490 |
| 105 | THERAPISTS, N.E.C. | 529 | 348 |
| 106 | PHYSICIANS' ASSISTANTS | 4,929 | 2,464 |
| 163 | COUNSELORS, EDUCATIONAL AND VOCATIONAL | 181 | 127 |
| 185 | DESIGNERS | 234 | 92 |
| 188 | PAINTERS, SCULPTORS, CRAFT-ARTISTS, AND ARTIST PRINTMAKERS | 324 | 101 |
| 189 | PHOTOGRAPHERS | 4,132 | 469 |
| 195 | EDITORS AND REPORTERS | 102 | |
| 203 | CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS | 41,737 | 29,736 |
| 206 | RADIOLOGIC TECHNICIANS | 30,597 | 20,317 |
| 207 | LICENSED PRACTICAL NURSES | 61,457 | 57,322 |
| 208 | HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. | 16,047 | 12,878 |
| 213 | ELECTRICAL AND ELECTRONIC TECHNICIANS | 1,664 | 182 |
| 214 | INDUSTRIAL ENGINEERING TECHNICIANS | 14 | |
| 215 | MECHANICAL ENGINEERING TECHNICIANS | 58 | |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 5,824 | 2,591 |
| 217 | DRAFTING OCCUPATIONS | 3,475 | 326 |
| 223 | BIOLOGICAL TECHNICIANS | 5,250 | 2,445 |
| 224 | CHEMICAL TECHNICIANS | 9,299 | 3,023 |
| 225 | SCIENCE TECHNICIANS, N.E.C. | 2,995 | 878 |
| 235 | TECHNICIANS, N.E.C. | 5,646 | 2,963 |
| 274 | SALES WORKERS, OTHER COMMODITIES | 299 | 299 |
| 303 | SUPERVISORS, GENERAL OFFICE | 433 | 408 |
| 308 | COMPUTER OPERATORS | 194 | |
| 313 | SECRETARIES | 3,806 | 3,806 |
| 319 | RECEPTIONISTS | 1,017 | 1,017 |
| 335 | FILE CLERKS | 1,047 | 579 |
| 337 | BOOKKEEPERS, ACCOUNTING, AND AUDITING CLERKS | 339 | 339 |
| 347 | OFFICE MACHINE OPERATORS, N.E.C. | 17 | 6 |
| 356 | MAIL CLERKS, EXC. POSTAL SERVICE | 1,561 | 1,561 |
| 357 | MESSENGERS | 278 | |
| 364 | TRAFFIC, SHIPPING, AND RECEIVING CLERKS | 3,585 | 61 |
| 365 | STOCK AND INVENTORY CLERKS | 4,802 | 3,433 |
| 368 | WEIGHERS, MEASURERS, AND CHECKERS | 451 | |
| 374 | MATERIAL RECORDING, SCHEDULING, AND DISTRIBUTING CLERKS, N.E.C. | 18 | 18 |
| 379 | GENERAL OFFICE CLERKS | 536 | 275 |
| 385 | DATA-ENTRY KEYERS | 568 | 568 |
| 389 | ADMINISTRATIVE SUPPORT OCCUPATIONS, N.E.C. | 1,119 | 1,041 |
| 435 | WAITERS AND WAITRESSES | 297 | 297 |
| 436 | COOKS, EXCEPT SHORT ORDER | 795 | 709 |
| 444 | MISCELLANEOUS FOOD PREPARATION OCCUPATIONS | 6,711 | 5,677 |
| 445 | DENTAL ASSISTANTS | 107 | 57 |
| 446 | HEALTH AIDES, EXCEPT NURSING | 13,788 | 8,631 |
| 447 | NURSING AIDES, ORDERLIES, AND ATTENDANTS | 55,030 | 47,566 |
| 448 | SUPERVISORS, CLEANING AND BUILDING SERVICE WORKERS | 306 | 51 |
| 449 | MAIDS AND HOUSEMEN | 30,822 | 21,500 |
| 453 | JANITORS AND CLEANERS | 50,827 | 14,080 |
| 458 | HAIRDRESSERS AND COSMETOLOGISTS | 46,838 | 35,653 |
| 469 | PERSONAL SERVICE OCCUPATIONS, N.E.C. | 244 | |
| 486 | GROUNDSKEEPERS AND GARDENERS, EXCEPT FARM | 770 | 378 |
| 487 | ANIMAL CARETAKERS, EXCEPT FARM | 6,375 | 4,090 |
| 515 | AIRCRAFT MECHANICS, EXC. ENGINE | 126 | |
| 516 | HEAVY EQUIPMENT MECHANICS | 671 | |
| 518 | INDUSTRIAL MACHINERY REPAIRERS | 637 | |
| 519 | MACHINERY MAINTENANCE OCCUPATIONS | 419 | |
| 527 | TELEPHONE LINE INSTALLERS AND REPAIRERS | 225 | |
| 529 | TELEPHONE INSTALLERS AND REPAIRERS | 4,724 | |
| 534 | HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS | 76 | |
| 535 | CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS | 41 | 41 |
| 544 | MILLWRIGHTS | 1,277 | |
| 547 | SPECIFIED MECHANICS AND REPAIRERS, N.E.C. | 2,620 | |
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 2,872 | |
| 563 | BRICKMASONS AND STONEMASONS | 10,337 | |
| 565 | TILE SETTERS, HARD AND SOFT | 2,056 | |
| 567 | CARPENTERS | 282 | |
| 575 | ELECTRICIANS | 1,289 | |
| 579 | PAINTERS, CONSTRUCTION AND MAINTENANCE | 297 | 119 |
| 584 | PLASTERERS | 2,329 | |
| 585 | PLUMBERS, PIPEFITTERS, AND STEAMFITTERS | 606 | |
| 593 | INSULATION WORKERS | 44 | |
| 595 | ROOFERS | 1,851 | |
| 597 | STRUCTURAL METAL WORKERS | 258 | |
| 614 | DRILLERS, OIL WELL | 1,659 | |
| 616 | MINING MACHINE OPERATORS | 8,072 | |
| 617 | MINING OCCUPATIONS, N.E.C. | 13,996 | |
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 7,929 | 1,660 |
| 634 | TOOL AND DIE MAKERS | 2,748 | 22 |
| 637 | MACHINISTS | 22,652 | 915 |
| 643 | BOILERMAKERS | 51 | |
| 645 | PATTERNMAKERS AND MODEL MAKERS, METAL | 514 | |
| 647 | PRECIOUS STONES AND METALS WORKERS (JEWELERS) | 366 | |
| 649 | ENGRAVERS, METAL | 530 | 7 |
| 653 | SHEET METAL WORKERS | 88 | |
| 658 | FURNITURE AND WOOD FINISHERS | 50 | 50 |
| 667 | TAILORS | 192 | 112 |
| 668 | UPHOLSTERERS | 771 | |
| 676 | PATTERNMAKERS, LAY-OUT WORKERS, AND CUTTERS | 310 | 207 |
| 677 | OPTICAL GOODS WORKERS | 42 | |
| 678 | DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS | 165 | |
| 679 | BOOKBINDERS | 462 | 231 |
| 683 | ELECTRICAL AND ELECTRONIC EQUIPMENT ASSEMBLERS | 6,425 | 4,218 |
| 684 | MISCELLANEOUS PRECISION WORKERS, N.E.C. | 3,761 | 828 |
| 686 | BUTCHERS AND MEAT CUTTERS | 4,508 | 1,765 |
| 687 | BAKERS | 4,311 | 568 |
| 688 | FOOD BATCHMAKERS | 1,752 | 63 |
| 689 | INSPECTORS, TESTERS, AND GRADERS | 14 | |
| 694 | WATER AND SEWAGE TREATMENT PLANT OPERATORS | 66 | |
| 695 | POWER PLANT OPERATORS | 393 | |
| 696 | STATIONARY ENGINEERS | 745 | |
| 699 | MISCELLANEOUS PLANT AND SYSTEM OPERATORS | 26 | |
| 703 | LATHE AND TURNING MACHINE SET-UP OPERATORS | 32 | |
| 704 | LATHE AND TURNING MACHINE OPERATORS | 7 | |
| 706 | PUNCHING AND STAMPING PRESS MACHINE OPERATORS | 72 | |
| 708 | DRILLING AND BORING MACHINE OPERATORS | 354 | |
| 709 | GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS | 757 | 98 |
| 715 | MISCELLANEOUS METAL, PLASTIC, STONE, AND GLASS WORKING MACHINE OPERATORS | 436 | |
| 717 | FABRICATING MACHINE OPERATORS, N.E.C. | 549 | |
| 719 | MOLDING AND CASTING MACHINE OPERATORS | 1,219 | 616 |
| 723 | METAL PLATING MACHINE OPERATORS | 11,949 | 3,433 |
| 724 | HEAT TREATING EQUIPMENT OPERATORS | 85 | |
| 725 | MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS | 617 | 381 |
| 727 | SAWING MACHINE OPERATORS | 385 | |
| 734 | PRINTING MACHINE OPERATORS | 58,734 | 1,961 |
| 735 | PHOTOENGRAVERS AND LITHOGRAPHERS | 4,530 | 344 |
| 736 | TYPESETTERS AND COMPOSITORS | 15,258 | 6,066 |
| 737 | MISCELLANEOUS PRINTING MACHINE OPERATORS | 2,817 | 768 |
| 744 | TEXTILE SEWING MACHINE OPERATORS | 9,936 | 9,704 |
| 745 | SHOE MACHINE OPERATORS | 1,244 | 1,211 |
| 747 | PRESSING MACHINE OPERATORS | 215 | 191 |
| 748 | LAUNDERING AND DRY CLEANING MACHINE OPERATORS | 7,395 | 5,937 |
| 749 | MISCELLANEOUS TEXTILE MACHINE OPERATORS | 5,703 | 582 |
| 753 | CEMENTING AND GLUING MACHINE OPERATORS | 922 | |
| 754 | PACKAGING AND FILLING MACHINE OPERATORS | 14,950 | 3,713 |
| 755 | EXTRUDING AND FORMING MACHINE OPERATORS | 92 | |
| 756 | MIXING AND BLENDING MACHINE OPERATORS | 16,391 | 2,871 |
| 757 | SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS | 5,130 | 386 |
| 758 | COMPRESSING AND COMPACTING MACHINE OPERATORS | 91 | |
| 759 | PAINTING AND PAINT SPRAYING MACHINE OPERATORS | 1,619 | 237 |
| 763 | ROASTING AND BAKING MACHINE OPERATORS, FOOD | 117 | |
| 764 | WASHING, CLEANING, AND PICKLING MACHINE OPERATORS | 2 | |
| 765 | FOLDING MACHINE OPERATORS | 2,060 | 1,508 |
| 766 | FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD | 2,366 | |
| 768 | CRUSHING AND GRINDING MACHINE OPERATORS | 1,170 | |
| 769 | SLICING AND CUTTING MACHINE OPERATORS | 2,142 | 313 |
| 774 | PHOTOGRAPHIC PROCESS MACHINE OPERATORS | 8,864 | 3,158 |
| 777 | MISCELLANEOUS MACHINE OPERATORS, N.E.C. | 25,648 | 7,320 |
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 34,196 | 13,083 |
| 783 | WELDERS AND CUTTERS | 1,695 | |
| 784 | SOLDERERS AND BRAZERS | 246 | 129 |
| 785 | ASSEMBLERS | 30,942 | 16,903 |
| 793 | HAND ENGRAVING AND PRINTING OCCUPATIONS | 526 | 33 |
| 795 | MISCELLANEOUS HAND WORKING OCCUPATIONS | 90 | |
| 796 | PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS | 15,894 | 7,051 |
| 797 | PRODUCTION TESTERS | 880 | 366 |
| 798 | PRODUCTION SAMPLERS AND WEIGHERS | 111 | |
| 799 | GRADERS AND SORTERS, EXCEPT AGRICULTURAL | 190 | 190 |
| 804 | TRUCK DRIVERS, HEAVY | 1,421 | |
| 806 | DRIVER-SALES WORKERS | 335 | |
| 844 | OPERATING ENGINEERS | 42 | |
| 856 | INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS | 3,079 | 110 |
| 859 | MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS | 1,843 | 681 |
| 869 | CONSTRUCTION LABORERS | 20,656 | |
| 873 | PRODUCTION HELPERS | 1,584 | 26 |
| 878 | MACHINE FEEDERS AND OFFBEARERS | 995 | 76 |
| 883 | FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. | 287 | 51 |
| 885 | GARAGE AND SERVICE STATION RELATED OCCUPATIONS | 5,761 | 1,098 |
| 887 | VEHICLE WASHERS AND EQUIPMENT CLEANERS | 7,364 | 811 |
| 888 | HAND PACKERS AND PACKAGERS | 18,711 | 16,134 |
| 889 | LABORERS, EXCEPT CONSTRUCTION | 32,710 | 4,453 |
| TOTAL | 1,691,218 | 1,083,005 | |
*(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.