| Agent Name | MAGNESITE (MG(CO3)) |
| CAS # | 13717-00-5 |
| RTECS # | |
| Agent Code | X3712 |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 019 | MANAGERS AND ADMINISTRATORS, N.E.C. | 368 |
|
| 547 | SPECIFIED MECHANICS AND REPAIRERS, N.E.C. | 484 |
|
| 614 | DRILLERS, OIL WELL | 1,873 |
|
| 617 | MINING OCCUPATIONS, N.E.C. | 5,976 |
|
| 783 | WELDERS AND CUTTERS | 6,119 |
|
| SUBTOTAL | 14,820 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 122 |
|
| 585 | PLUMBERS, PIPEFITTERS, AND STEAMFITTERS | 3,463 |
69 |
| 597 | STRUCTURAL METAL WORKERS | 390 |
|
| 783 | WELDERS AND CUTTERS | 4,687 |
5 |
| 844 | OPERATING ENGINEERS | 323 |
|
| 869 | CONSTRUCTION LABORERS | 1,714 |
5 |
| SUBTOTAL | 10,699 |
79 | |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 516 | HEAVY EQUIPMENT MECHANICS | 1,931 |
|
| 558 | SUPERVISORS, N.E.C. | 646 |
|
| 598 | DRILLERS, EARTH | 3,446 |
|
| 783 | WELDERS AND CUTTERS | 1,463 |
|
| 853 | EXCAVATING AND LOADING MACHINE OPERATORS | 781 |
|
| 855 | GRADER, DOZER, AND SCRAPER OPERATORS | 468 |
|
| 869 | CONSTRUCTION LABORERS | 1,938 |
|
| SUBTOTAL | 10,673 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 053 | CIVIL ENGINEERS | 1,612 |
|
| 216 | ENGINEERING TECHNICIANS, N.E.C. | 153 |
|
| 516 | HEAVY EQUIPMENT MECHANICS | 3,235 |
|
| 534 | HEATING, AIR CONDITIONING, AND REFRIGERATION MECHANICS | 4,447 |
|
| 558 | SUPERVISORS, N.E.C. | 374 |
|
| 585 | PLUMBERS, PIPEFITTERS, AND STEAMFITTERS | 22,292 |
|
| 595 | ROOFERS | 80 |
|
| 596 | SHEETMETAL DUCT INSTALLERS | 1,520 |
|
| 597 | STRUCTURAL METAL WORKERS | 1,196 |
|
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 38 |
|
| 637 | MACHINISTS | 2,690 |
|
| 653 | SHEET METAL WORKERS | 3,077 |
|
| 783 | WELDERS AND CUTTERS | 2,738 |
|
| 787 | HAND MOLDING, CASTING, AND FORMING OCCUPATIONS | 812 |
|
| 804 | TRUCK DRIVERS, HEAVY | 283 |
|
| 869 | CONSTRUCTION LABORERS | 3,148 |
|
| 877 | STOCK HANDLERS AND BAGGERS | 77 |
|
| SUBTOTAL | 47,772 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 5,019 |
|
| 507 | BUS, TRUCK, AND STATIONARY ENGINE MECHANICS | 50 |
|
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 304 |
|
| 575 | ELECTRICIANS | 57 |
|
| 637 | MACHINISTS | 250 |
|
| 653 | SHEET METAL WORKERS | 31 |
|
| 777 | MISCELLANEOUS MACHINE OPERATORS, N.E.C. | 61 |
|
| 783 | WELDERS AND CUTTERS | 226 |
|
| SUBTOTAL | 5,998 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 282 |
|
| SUBTOTAL | 282 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 678 |
|
| 783 | WELDERS AND CUTTERS | 424 |
|
| SUBTOTAL | 1,102 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 251 |
|
| 783 | WELDERS AND CUTTERS | 416 |
|
| SUBTOTAL | 667 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 658 | FURNITURE AND WOOD FINISHERS | 672 |
224 |
| SUBTOTAL | 672 |
224 | |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 1,804 |
|
| 783 | WELDERS AND CUTTERS | 751 |
|
| SUBTOTAL | 2,555 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 783 | WELDERS AND CUTTERS | 31 |
|
| SUBTOTAL | 31 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 224 | CHEMICAL TECHNICIANS | 1,433 |
179 |
| 453 | JANITORS AND CLEANERS | 928 |
|
| 518 | INDUSTRIAL MACHINERY REPAIRERS | 418 |
|
| 519 | MACHINERY MAINTENANCE OCCUPATIONS | 90 |
|
| 547 | SPECIFIED MECHANICS AND REPAIRERS, N.E.C. | 41 |
|
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 2,114 |
|
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 269 |
|
| 637 | MACHINISTS | 388 |
|
| 779 | MACHINE OPERATORS, NOT SPECIFIED | 180 |
144 |
| 783 | WELDERS AND CUTTERS | 1,306 |
|
| 889 | LABORERS, EXCEPT CONSTRUCTION | 744 |
|
| SUBTOTAL | 7,911 |
323 | |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 1,575 |
|
| 699 | MISCELLANEOUS PLANT AND SYSTEM OPERATORS | 653 |
|
| 757 | SEPARATING, FILTERING, AND CLARIFYING MACHINE OPERATORS | 49 |
|
| 783 | WELDERS AND CUTTERS | 910 |
|
| SUBTOTAL | 3,187 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 500 |
|
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 1,215 |
|
| 783 | WELDERS AND CUTTERS | 1,849 |
|
| SUBTOTAL | 3,564 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 48 |
|
| SUBTOTAL | 48 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 547 | SPECIFIED MECHANICS AND REPAIRERS, N.E.C. | 441 |
|
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 304 |
|
| 575 | ELECTRICIANS | 226 |
|
| 783 | WELDERS AND CUTTERS | 988 |
|
| SUBTOTAL | 1,959 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 7,282 |
140 |
| 518 | INDUSTRIAL MACHINERY REPAIRERS | 375 |
|
| 544 | MILLWRIGHTS | 357 |
|
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 11 |
|
| 563 | BRICKMASONS AND STONEMASONS | 819 |
|
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 37 |
|
| 675 | HAND MOLDERS AND SHAPERS, EXCEPT JEWELERS | 503 |
|
| 676 | PATTERNMAKERS, LAY-OUT WORKERS, AND CUTTERS | 149 |
|
| 706 | PUNCHING AND STAMPING PRESS MACHINE OPERATORS | 888 |
|
| 777 | MISCELLANEOUS MACHINE OPERATORS, N.E.C. | 1,633 |
|
| 783 | WELDERS AND CUTTERS | 2,269 |
|
| 796 | PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS | 149 |
37 |
| 849 | CRANE AND TOWER OPERATORS | 56 |
|
| 859 | MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS | 106 |
|
| 865 | HELPERS, CONSTRUCTION TRADES | 288 |
|
| 889 | LABORERS, EXCEPT CONSTRUCTION | 723 |
56 |
| SUBTOTAL | 15,645 |
233 | |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 1,401 |
|
| 518 | INDUSTRIAL MACHINERY REPAIRERS | 75 |
|
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 831 |
|
| 597 | STRUCTURAL METAL WORKERS | 939 |
|
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 1,068 |
|
| 653 | SHEET METAL WORKERS | 2,454 |
|
| 783 | WELDERS AND CUTTERS | 21,224 |
46 |
| 785 | ASSEMBLERS | 1,255 |
|
| 796 | PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS | 313 |
|
| 849 | CRANE AND TOWER OPERATORS | 662 |
|
| SUBTOTAL | 30,222 |
46 | |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 225 | SCIENCE TECHNICIANS, N.E.C. | 206 |
62 |
| 453 | JANITORS AND CLEANERS | 895 |
16 |
| 547 | SPECIFIED MECHANICS AND REPAIRERS, N.E.C. | 366 |
|
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 616 |
|
| 637 | MACHINISTS | 1,403 |
|
| 783 | WELDERS AND CUTTERS | 13,989 |
87 |
| 785 | ASSEMBLERS | 2,561 |
|
| 849 | CRANE AND TOWER OPERATORS | 23 |
|
| 859 | MISCELLANEOUS MATERIAL MOVING EQUIPMENT OPERATORS | 113 |
|
| SUBTOTAL | 20,172 |
165 | |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 3,392 |
389 |
| 547 | SPECIFIED MECHANICS AND REPAIRERS, N.E.C. | 87 |
|
| 637 | MACHINISTS | 626 |
52 |
| 783 | WELDERS AND CUTTERS | 374 |
|
| SUBTOTAL | 4,479 |
441 | |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 1,147 |
|
| 544 | MILLWRIGHTS | 259 |
|
| 585 | PLUMBERS, PIPEFITTERS, AND STEAMFITTERS | 437 |
17 |
| 643 | BOILERMAKERS | 34 |
6 |
| 653 | SHEET METAL WORKERS | 361 |
43 |
| 717 | FABRICATING MACHINE OPERATORS, N.E.C. | 199 |
57 |
| 783 | WELDERS AND CUTTERS | 4,199 |
10 |
| 785 | ASSEMBLERS | 1,731 |
31 |
| 793 | HAND ENGRAVING AND PRINTING OCCUPATIONS | 475 |
|
| SUBTOTAL | 8,842 |
164 | |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 064 | COMPUTER SYSTEMS ANALYSTS AND SCIENTISTS | 386 |
125 |
| 783 | WELDERS AND CUTTERS | 333 |
|
| SUBTOTAL | 719 |
125 | |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 365 | STOCK AND INVENTORY CLERKS | 488 |
|
| 544 | MILLWRIGHTS | 90 |
|
| 768 | CRUSHING AND GRINDING MACHINE OPERATORS | 106 |
|
| 783 | WELDERS AND CUTTERS | 384 |
|
| 796 | PRODUCTION INSPECTORS, CHECKERS, AND EXAMINERS | 212 |
|
| SUBTOTAL | 1,280 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 119 |
|
| 507 | BUS, TRUCK, AND STATIONARY ENGINE MECHANICS | 118 |
|
| 533 | MISCELLANEOUS ELECTRICAL AND ELECTRONIC EQUIPMENT REPAIRERS | 3 |
|
| 785 | ASSEMBLERS | 2 |
|
| SUBTOTAL | 242 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 1,674 |
|
| 518 | INDUSTRIAL MACHINERY REPAIRERS | 328 |
|
| 889 | LABORERS, EXCEPT CONSTRUCTION | 10,284 |
88 |
| SUBTOTAL | 12,286 |
88 | |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 783 | WELDERS AND CUTTERS | 207 |
|
| SUBTOTAL | 207 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 453 | JANITORS AND CLEANERS | 139 |
|
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 1,401 |
|
| 585 | PLUMBERS, PIPEFITTERS, AND STEAMFITTERS | 755 |
|
| 783 | WELDERS AND CUTTERS | 795 |
|
| SUBTOTAL | 3,090 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 514 | AUTOMOBILE BODY AND RELATED REPAIRERS | 582 |
|
| 783 | WELDERS AND CUTTERS | 5,585 |
247 |
| SUBTOTAL | 6,167 |
247 | |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 225 | SCIENCE TECHNICIANS, N.E.C. | 1,185 |
474 |
| 453 | JANITORS AND CLEANERS | 258 |
|
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 146 |
|
| 633 | SUPERVISORS, PRODUCTION OCCUPATIONS | 1,185 |
|
| 756 | MIXING AND BLENDING MACHINE OPERATORS | 179 |
|
| 889 | LABORERS, EXCEPT CONSTRUCTION | 3,791 |
|
| SUBTOTAL | 6,744 |
474 | |
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 059 | ENGINEERS, N.E.C. | 1,085 |
|
| 453 | JANITORS AND CLEANERS | 39 |
|
| SUBTOTAL | 1,124 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 759 | PAINTING AND PAINT SPRAYING MACHINE OPERATORS | 118 |
|
| SUBTOTAL | 118 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 783 | WELDERS AND CUTTERS | 45 |
|
| SUBTOTAL | 45 |
||
| Code | Occupation Description (1980) | Total # Employees (Male & Female) |
Total # Female Employees |
| 099 | OCCUPATIONAL THERAPISTS | 126 |
126 |
| 105 | THERAPISTS, N.E.C. | 29 |
29 |
| 453 | JANITORS AND CLEANERS | 323 |
|
| 549 | NOT SPECIFIED MECHANICS AND REPAIRERS | 137 |
|
| 567 | CARPENTERS | 102 |
|
| 783 | WELDERS AND CUTTERS | 7 |
|
| SUBTOTAL | 724 |
155 | |
| TOTAL | 224,046 | 2,764 | |
| RELATED PAGES: Estimates by SIC, Estimates by Occupation | |||
*(1) The estimates for each occupation apply only to the 3- and 4-digit SICs surveyed within the 2-digit SIC where the agent was observed. Not all SICs were surveyed, and not all agents were observed in all surveyed SICs. (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.