Air sampling equipment, namely, devices for effecting entrapment of air borne bio-aerosols, particulate matter, biological materials, and soluble vapors to permit accurate sampling and measurement thereof; liquid sampling equipment, namely, devices for effecting entrapment of liquid borne biological materials from liquids, namely, bacteria, parasites, molds, spores, whole cells, proteins, toxins, viruses, and DNA; surface sampling equipment, namely, devices for effecting the extraction of sur...