| Agent Name | STYRENE |
| CAS # | 100-42-5 |
| RTECS # | WL3675000 |
| Agent Code | 70130 |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 018 | FUNERAL DIRECTORS | 2,427 | 485 |
| 019 | MANAGERS AND ADMINISTRATORS, N.E.C. | 300 | |
| 027 | PERSONNEL, TRAINING, AND LABOR RELATIONS SPECIALISTS | 2,889 | |
| 048 | CHEMICAL ENGINEERS | 19 | |
| 053 | CIVIL ENGINEERS | 1,612 | |
| 056 | INDUSTRIAL ENGINEERS | 155 | 78 |
| 059 | ENGINEERS, N.E.C. | 6 | |
| 073 | CHEMISTS, EXCEPT BIOCHEMISTS | 2,399 | 141 |
| 078 | BIOLOGICAL AND LIFE SCIENTISTS | 36 | 12 |
| 095 | REGISTERED NURSES | 7,316 | 917 |
| 097 | DIETITIANS | 1,799 | 1,223 |
| 098 | INHALATION THERAPISTS | 126 | 14 |
| 103 | PHYSICAL THERAPISTS | 383 | 318 |
| 203 | CLINICAL LABORATORY TECHNOLOGISTS AND TECHNICIANS | 552 | 360 |
| 206 | RADIOLOGIC TECHNICIANS | 1,194 | 573 |
| 208 | HEALTH TECHNOLOGISTS AND TECHNICIANS, N.E.C. | 1,366 | 1,138 |
| 213 | ELECTRICAL AND ELECTRONIC TECHNICIANS | 3 | |
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 843 | 278 |
| 217 | DRAFTING OCCUPATIONS | 1,105 | |
| 224 | CHEMICAL TECHNICIANS | 6,561 | 1,165 |
| 235 | TECHNICIANS, N.E.C. | 124 | 83 |
| 313 | SECRETARIES | 549 | 549 |
| 364 | TRAFFIC, SHIPPING, AND RECEIVING CLERKS | 377 | 209 |
| 365 | STOCK AND INVENTORY CLERKS | 969 | 608 |
| 368 | WEIGHERS, MEASURERS, AND CHECKERS | 168 | |
| 373 | EXPEDITERS | 69 | |
| 385 | DATA-ENTRY KEYERS | 722 | |
| 426 | GUARDS AND POLICE, EXC. PUBLIC SERVICE | 42 | |
| 444 | MISCELLANEOUS FOOD PREPARATION OCCUPATIONS | 4,780 | 3,413 |
| 446 | HEALTH AIDES, EXCEPT NURSING | 10,836 | 7,036 |
| 449 | MAIDS AND HOUSEMEN | 10,619 | 6,170 |
| 453 | JANITORS AND CLEANERS | 50,585 | 12,487 |
| 458 | HAIRDRESSERS AND COSMETOLOGISTS | 1,714 | 1,469 |
| 469 | PERSONAL SERVICE OCCUPATIONS, N.E.C. | 216 | 154 |
| 496 | TIMBER CUTTING AND LOGGING OCCUPATIONS | 397 | 227 |
| 503 | SUPERVISORS, MECHANICS AND REPAIRERS | 1,493 | |
| 505 | AUTOMOBILE MECHANICS | 3,555 | |
| 507 | BUS, TRUCK, AND STATIONARY ENGINE MECHANICS | 1,141 | |
| 508 | AIRCRAFT ENGINE MECHANICS | 2,988 | 199 |
| 514 | AUTOMOBILE BODY AND RELATED REPAIRERS | 31,641 | |
| 515 | AIRCRAFT MECHANICS, EXC. ENGINE | 1,657 | |
| 516 | HEAVY EQUIPMENT MECHANICS | 302 | |
| 518 | INDUSTRIAL MACHINERY REPAIRERS | 431 | |
| 535 | CAMERA, WATCH, AND MUSICAL INSTRUMENT REPAIRERS | 26 | |
| 544 | MILLWRIGHTS | 968 | |
| 547 | SPECIFIED MECHANICS AND REPAIRERS, N.E.C. | 924 | 62 |
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 2,538 | 379 |
| 554 | SUPERVISORS, CARPENTERS AND RELATED WORKERS | 34 | |
| 565 | TILE SETTERS, HARD AND SOFT | 4,832 | |
| 567 | CARPENTERS | 10,977 | 471 |
| 575 | ELECTRICIANS | 54 | |
| 579 | PAINTERS, CONSTRUCTION AND MAINTENANCE | 647 | 297 |
| 588 | CONCRETE AND TERRAZZO FINISHERS | 90 | |
| 593 | INSULATION WORKERS | 295 | |
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 540 | |
| 634 | TOOL AND DIE MAKERS | 633 | 32 |
| 637 | MACHINISTS | 6,575 | 900 |
| 643 | BOILERMAKERS | 6,423 | |
| 645 | PATTERNMAKERS AND MODEL MAKERS, METAL | 417 | |
| 646 | LAY-OUT WORKERS | 58 | |
| 647 | PRECIOUS STONES AND METALS WORKERS (JEWELERS) | 1,380 | 163 |
| 653 | SHEET METAL WORKERS | 2,388 | 151 |
| 655 | MISCELLANEOUS PRECISION METAL WORKERS | 29 | 18 |
| 656 | PATTERNMAKERS AND MODEL MAKERS, WOOD | 82 | 3 |
| 658 | FURNITURE AND WOOD FINISHERS | 453 | |
| 675 | HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS | 3,583 | 104 |
| 676 | PATTERNMAKERS, LAY-OUT WORKERS, AND CUTTERS | 190 | |
| 678 | DENTAL LABORATORY AND MEDICAL APPLIANCE TECHNICIANS | 2,614 | 2,033 |
| 686 | BUTCHERS AND MEAT CUTTERS | 2,067 | |
| 687 | BAKERS | 1,866 | 510 |
| 695 | POWER PLANT OPERATORS | 65 | |
| 696 | STATIONARY ENGINEERS | 62 | |
| 703 | LATHE AND TURNING MACHINE SET-UP OPERATORS | 307 | 48 |
| 706 | PUNCHING AND STAMPING PRESS MACHINE OPERATORS | 17 | |
| 707 | ROLLING MACHINE OPERATORS | 174 | |
| 709 | GRINDING, ABRADING, BUFFING, AND POLISHING MACHINE OPERATORS | 1,402 | 36 |
| 713 | FORGING MACHINE OPERATORS | 252 | |
| 719 | MOLDING AND CASTING MACHINE OPERATORS | 14,905 | 10,192 |
| 723 | METAL PLATING MACHINE OPERATORS | 404 | 17 |
| 724 | HEAT TREATING EQUIPMENT OPERATORS | 81 | 40 |
| 725 | MISCELLANEOUS METAL AND PLASTIC PROCESSING MACHINE OPERATORS | 1,100 | |
| 728 | SHAPING AND JOINING MACHINE OPERATORS | 1,954 | 1,042 |
| 734 | PRINTING MACHINE OPERATORS | 2,431 | 539 |
| 744 | TEXTILE SEWING MACHINE OPERATORS | 47 | |
| 748 | LAUNDERING AND DRY CLEANING MACHINE OPERATORS | 39 | |
| 749 | MISCELLANEOUS TEXTILE MACHINE OPERATORS | 2,503 | 741 |
| 753 | CEMENTING AND GLUING MACHINE OPERATORS | 911 | 781 |
| 754 | PACKAGING AND FILLING MACHINE OPERATORS | 1,985 | 589 |
| 755 | EXTRUDING AND FORMING MACHINE OPERATORS | 25 | |
| 756 | MIXING AND BLENDING MACHINE OPERATORS | 15,429 | 354 |
| 757 | SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS | 4,139 | 68 |
| 759 | PAINTING AND PAINT SPRAYING MACHINE OPERATORS | 9,302 | 722 |
| 765 | FOLDING MACHINE OPERATORS | 19 | |
| 766 | FURNACE, KILN, AND OVEN OPERATORS, EXC. FOOD | 471 | 31 |
| 768 | CRUSHING AND GRINDING MACHINE OPERATORS | 813 | 29 |
| 769 | SLICING AND CUTTING MACHINE OPERATORS | 891 | 492 |
| 777 | MISCELLANEOUS MACHINE OPERATORS, N.E.C. | 4,914 | 153 |
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 16,799 | 2,946 |
| 783 | WELDERS AND CUTTERS | 508 | |
| 785 | ASSEMBLERS | 31,236 | 22,207 |
| 789 | HAND PAINTING, COATING, AND DECORATING OCCUPATIONS | 374 | 187 |
| 794 | HAND GRINDING AND POLISHING OCCUPATIONS | 19 | 19 |
| 796 | PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS | 461 | 28 |
| 804 | TRUCK DRIVERS, HEAVY | 74 | |
| 844 | OPERATING ENGINEERS | 75 | |
| 849 | CRANE AND TOWER OPERATORS | 103 | |
| 856 | INDUSTRIAL TRUCK AND TRACTOR EQUIPMENT OPERATORS | 240 | |
| 859 | MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS | 1,021 | |
| 869 | CONSTRUCTION LABORERS | 4,741 | 188 |
| 873 | PRODUCTION HELPERS | 1,058 | |
| 877 | STOCK HANDLERS AND BAGGERS | 138 | |
| 883 | FREIGHT, STOCK, AND MATERIAL MOVERS, HAND, N.E.C. | 76 | |
| 887 | VEHICLE WASHERS AND EQUIPMENT CLEANERS | 366 | 160 |
| 888 | HAND PACKERS AND PACKAGERS | 187 | 11 |
| 889 | LABORERS, EXCEPT CONSTRUCTION | 3,952 | 855 |
| TOTAL | 333,212 | 86,902 | |
*(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.