The 2001 SKC Comprehensive Catalog and Air Sampling Guide provides complete information on industrial hygiene and environmental air sampling products, including sample pumps, calibrators, collection media, and passive samplers. The easy-to-use Air Sampling Guide cross-references over 1,200 chemical compounds, identifying sampling parameters, analytical methods, and collection equipment for each chemical. SKC Inc., 724-941-9701, fax: 724-941-1369, e-mail:, Web: