| Agent Name | BENTONITE |
| CAS # | 1302-78-9 |
| RTECS # | CT9450000 |
| Agent Code | 90340 |
| SIC | Industry Description (1972) | Total # Employees (Male & Female) |
Total # Female Employees |
| 07 | AGRICULTURAL SERVICES | 4,400 | 589 |
| 13 | OIL AND GAS EXTRACTION | 25,046 | |
| 15 | GENERAL BUILDING CONTRACTORS | 36,797 | 86 |
| 16 | HEAVY CONSTRUCTION CONTRACTORS | 9,050 | 100 |
| 17 | SPECIAL TRADE CONTRACTORS | 60,482 | 405 |
| 20 | FOOD AND KINDRED PRODUCTS | 7,493 | 377 |
| 22 | TEXTILE MILL PRODUCTS | 3,616 | 2,081 |
| 23 | APPAREL AND OTHER TEXTILE PRODUCTS | 453 | |
| 24 | LUMBER AND WOOD PRODUCTS | 4,068 | |
| 25 | FURNITURE AND FIXTURES | 6,454 | 540 |
| 26 | PAPER AND ALLIED PRODUCTS | 15,471 | 46 |
| 27 | PRINTING AND PUBLISHING | 28,988 | 7,268 |
| 28 | CHEMICALS AND ALLIED PRODUCTS | 15,557 | 4,294 |
| 29 | PETROLEUM AND COAL PRODUCTS | 3,639 | 244 |
| 30 | RUBBER AND MISC. PLASTICS PRODUCTS | 15,869 | 897 |
| 32 | STONE, CLAY, AND GLASS PRODUCTS | 9,713 | 918 |
| 33 | PRIMARY METAL INDUSTRIES | 70,845 | 982 |
| 34 | FABRICATED METAL PRODUCTS | 30,074 | 572 |
| 35 | MACHINERY, EXCEPT ELECTRICAL | 63,475 | 3,646 |
| 36 | ELECTRIC AND ELECTRONIC EQUIPMENT | 11,106 | 1,434 |
| 37 | TRANSPORTATION EQUIPMENT | 32,877 | 966 |
| 38 | INSTRUMENTS AND RELATED PRODUCTS | 1,885 | 511 |
| 39 | MISCELLANEOUS MANUFACTURING INDUSTRIES | 1,702 | 840 |
| 41 | LOCAL AND INTERURBAN PASSENGER TRANSIT | 678 | |
| 42 | TRUCKING AND WAREHOUSING | 622 | |
| 44 | WATER TRANSPORTATION | 4,634 | 244 |
| 45 | TRANSPORTATION BY AIR | 8,581 | 420 |
| 49 | ELECTRIC, GAS, AND SANITARY SERVICES | 10,727 | 63 |
| 50 | WHOLESALE TRADE - DURABLE GOODS | 13,942 | 247 |
| 51 | WHOLESALE TRADE - NONDURABLE GOODS | 13,118 | 474 |
| 55 | AUTOMOTIVE DEALERS & SERVICE STATIONS | 4,614 | 1,098 |
| 72 | PERSONAL SERVICES | 4,166 | 70 |
| 73 | BUSINESS SERVICES | 2,808 | 75 |
| 75 | AUTO REPAIR, SERVICES, AND GARAGES | 5,945 | |
| 76 | MISCELLANEOUS REPAIR SERVICES | 204 | |
| 80 | HEALTH SERVICES | 16,694 | 7,263 |
| TOTAL | 545,795 | 36,750 | |
*(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.