| Agent Name | SN, TIN-MF UNKNOWN |
| CAS # | 7440-31-5 |
| RTECS # | XP7320000 |
| Agent Code | 73075 |
| SIC | Industry Description (1972) | Total # Employees (Male & Female) |
Total # Female Employees |
| 13 | OIL AND GAS EXTRACTION | 1,399 | |
| 15 | GENERAL BUILDING CONTRACTORS | 8,289 | 453 |
| 16 | HEAVY CONSTRUCTION CONTRACTORS | 19,435 | 614 |
| 17 | SPECIAL TRADE CONTRACTORS | 125,248 | 40 |
| 20 | FOOD AND KINDRED PRODUCTS | 2,786 | |
| 21 | TOBACCO MANUFACTURERS | 16 | |
| 22 | TEXTILE MILL PRODUCTS | 1,332 | |
| 23 | APPAREL AND OTHER TEXTILE PRODUCTS | 5,781 | 287 |
| 24 | LUMBER AND WOOD PRODUCTS | 2,634 | |
| 25 | FURNITURE AND FIXTURES | 870 | 24 |
| 26 | PAPER AND ALLIED PRODUCTS | 7,663 | 1,728 |
| 27 | PRINTING AND PUBLISHING | 3,337 | 332 |
| 28 | CHEMICALS AND ALLIED PRODUCTS | 6,437 | 361 |
| 29 | PETROLEUM AND COAL PRODUCTS | 838 | 294 |
| 30 | RUBBER AND MISC. PLASTICS PRODUCTS | 6,922 | 108 |
| 31 | LEATHER AND LEATHER PRODUCTS | 48 | |
| 32 | STONE, CLAY, AND GLASS PRODUCTS | 2,679 | |
| 33 | PRIMARY METAL INDUSTRIES | 17,206 | 2,914 |
| 34 | FABRICATED METAL PRODUCTS | 45,634 | 22,562 |
| 35 | MACHINERY, EXCEPT ELECTRICAL | 81,749 | 33,558 |
| 36 | ELECTRIC AND ELECTRONIC EQUIPMENT | 182,299 | 123,839 |
| 37 | TRANSPORTATION EQUIPMENT | 29,756 | 6,000 |
| 38 | INSTRUMENTS AND RELATED PRODUCTS | 54,247 | 27,900 |
| 39 | MISCELLANEOUS MANUFACTURING INDUSTRIES | 14,969 | 10,036 |
| 40 | RAILROAD TRANSPORTATION | 196 | |
| 41 | LOCAL AND INTERURBAN PASSENGER TRANSIT | 516 | |
| 42 | TRUCKING AND WAREHOUSING | 5,172 | 201 |
| 45 | TRANSPORTATION BY AIR | 14,888 | 57 |
| 46 | PIPE LINES, EXCEPT NATURAL GAS | 599 | |
| 48 | COMMUNICATION | 31,543 | 1,827 |
| 49 | ELECTRIC, GAS, AND SANITARY SERVICES | 10,861 | 63 |
| 50 | WHOLESALE TRADE - DURABLE GOODS | 1,085 | 46 |
| 51 | WHOLESALE TRADE - NONDURABLE GOODS | 1,359 | |
| 55 | AUTOMOTIVE DEALERS & SERVICE STATIONS | 2,743 | 427 |
| 73 | BUSINESS SERVICES | 10,846 | 1,190 |
| 75 | AUTO REPAIR, SERVICES, AND GARAGES | 13,392 | |
| 76 | MISCELLANEOUS REPAIR SERVICES | 25,673 | 2,153 |
| 80 | HEALTH SERVICES | 7,979 | 388 |
| TOTAL | 748,577 | 237,405 | |
*(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.