| Agent Name | MAGNESIUM OXIDE (MGO) |
| CAS # | 1309-48-4 |
| RTECS # | OM3850000 |
| Agent Code | 80298 |
| SIC | Industry Description (1972) | Total # Employees (Male & Female) |
Total # Female Employees |
| 07 | AGRICULTURAL SERVICES | 2,845 | 1,265 |
| 13 | OIL AND GAS EXTRACTION | 191 | |
| 15 | GENERAL BUILDING CONTRACTORS | 28,647 | 646 |
| 16 | HEAVY CONSTRUCTION CONTRACTORS | 17,254 | 106 |
| 17 | SPECIAL TRADE CONTRACTORS | 85,910 | 562 |
| 20 | FOOD AND KINDRED PRODUCTS | 31,819 | 8,542 |
| 21 | TOBACCO MANUFACTURERS | 26 | |
| 22 | TEXTILE MILL PRODUCTS | 5,410 | 733 |
| 23 | APPAREL AND OTHER TEXTILE PRODUCTS | 4,025 | 3,199 |
| 24 | LUMBER AND WOOD PRODUCTS | 13,149 | 1,455 |
| 25 | FURNITURE AND FIXTURES | 7,805 | 474 |
| 26 | PAPER AND ALLIED PRODUCTS | 6,256 | 187 |
| 27 | PRINTING AND PUBLISHING | 5,850 | 701 |
| 28 | CHEMICALS AND ALLIED PRODUCTS | 32,197 | 6,496 |
| 29 | PETROLEUM AND COAL PRODUCTS | 6,541 | 699 |
| 30 | RUBBER AND MISC. PLASTICS PRODUCTS | 70,728 | 31,155 |
| 31 | LEATHER AND LEATHER PRODUCTS | 11,027 | 6,989 |
| 32 | STONE, CLAY, AND GLASS PRODUCTS | 37,715 | 5,179 |
| 33 | PRIMARY METAL INDUSTRIES | 28,060 | 476 |
| 34 | FABRICATED METAL PRODUCTS | 42,312 | 6,197 |
| 35 | MACHINERY, EXCEPT ELECTRICAL | 47,998 | 4,032 |
| 36 | ELECTRIC AND ELECTRONIC EQUIPMENT | 22,720 | 8,021 |
| 37 | TRANSPORTATION EQUIPMENT | 36,366 | 3,598 |
| 38 | INSTRUMENTS AND RELATED PRODUCTS | 28,710 | 12,788 |
| 39 | MISCELLANEOUS MANUFACTURING INDUSTRIES | 8,524 | 2,769 |
| 40 | RAILROAD TRANSPORTATION | 22 | |
| 42 | TRUCKING AND WAREHOUSING | 4,032 | 101 |
| 44 | WATER TRANSPORTATION | 5,480 | |
| 45 | TRANSPORTATION BY AIR | 15,693 | 69 |
| 48 | COMMUNICATION | 617 | |
| 49 | ELECTRIC, GAS, AND SANITARY SERVICES | 21,852 | 280 |
| 50 | WHOLESALE TRADE - DURABLE GOODS | 12,547 | 104 |
| 51 | WHOLESALE TRADE - NONDURABLE GOODS | 14,573 | 474 |
| 55 | AUTOMOTIVE DEALERS & SERVICE STATIONS | 5,259 | 598 |
| 72 | PERSONAL SERVICES | 5,600 | 5,345 |
| 73 | BUSINESS SERVICES | 26,505 | 6,503 |
| 75 | AUTO REPAIR, SERVICES, AND GARAGES | 10,146 | |
| 76 | MISCELLANEOUS REPAIR SERVICES | 4,945 | |
| 80 | HEALTH SERVICES | 54,575 | 29,615 |
| 84 | MUSEUMS, BOTANICAL, ZOOLOGICAL GARDENS | 1,643 | 164 |
| TOTAL | 765,812 | 149,523 | |
*(1) By survey design, not all 2-digit SICs were surveyed. (2) The estimates for each 2-digit SIC apply only to the 3- and 4-digit SICs surveyed within the 2-digit SIC. Not all SICs were surveyed. (3) When using the estimates, standard errors associated with estimates should be considered. (4) 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.