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Sampling media, namely, chemicals in the nature of sorbents held inside glass tubes and stainless steel tubes, for use with air sampling pumps for the collection of hazardous air contaminants; sampling media, namely, chemically treated cellulose and chemically treated sorbents held inside small plastic housings with multiple holes through which air contaminants diffuse, all for the collection of hazardous air contaminants; sampling media, namely, adsorbent chemicals in the nature of sorbents, for the collection of hazardous air contaminants; sampling system comprised of chemical reagents for non- medical purposes, woven gauze pads and cotton tipped swabs, plastic detection cartridges, and paper templates, for the collection of methamphetamine residue on surfaces, extraction of the sample, and semi-quantitative results all sold as a unit; chemical preparations for scientific purposes for use with fit testing apparatus; chemical solutions in the nature of preparations for the removal of hazardous chemical contaminants from surfaces; chemical solutions in the nature of preparations for the removal of hazardous chemical contaminants from skin

Metal adapters with tapered ends that facilitate the connection of sampling media outlets to sampling pump inlets via different flexible tubing diameters

Hand-operated miniature metal prybar for opening plastic air sampling cassettes

Scientific equipment, namely, sampling pumps used to collect samples of chemicals in air, mainly for the industrial and occupational hygiene markets; airflow calibrators, namely, calibrated flow metering instruments used to measure airflow generated by an air sampling pumps; electronic instruments that measure the concentration of particles in air and provide a direct readout; restrictive size-selective samplers in the nature of air sample collectors that house paper filters and plastic filters and separate particulate contaminants by size, all for use with sampling pumps for the collection of hazardous air contaminants for scientific purposes; bioaerosol samplers in the nature of air sample collection equipment for scientific purposes comprised of metal impactors, glass impingers, and plastic cassettes holding agar media, liquid media, or sticky glass slide media, respectively, or plastic filter all of airborne bioaerosols when used with a sampling pump; bioaerosol samplers, namely, rayon-tipped laboratory swabs and adhesive plastic microscope slides for the collection of bioaerosols on surfaces; bioaerosol samplers in the nature of specimen collection devices for scientific purposes in the nature of plastic cassettes with angled plastic tubing nozzle and holding a plastic filter for the collection of bioaerosols in carpeting when used with a sampling pump; electronic battery chargers, single unit and five-station unit battery chargers for the charging of rechargeable batteries in sampling pumps; electronic device, namely, a specialized sound level meter worn on a person to measure personal noise exposure integrated over a period of time; electronic meter device, namely, a hand-held instrument with microphone for acoustic measurements; electronic device, namely, a hand-held instrument that produces a calibrated tone for the calibration of noise and sound measuring instruments; metal samplers in the nature of collection containers for scientific purposes for the separation and collection of airborne contaminants that exist in both the vapor and particulate phases, all for use with sampling pumps for the collection of hazardous air contaminants; sampling media, namely, specimen collection devices for scientific purposes comprised of chemically treated paper filters, glass fiber filters, quartz filters, plastic filters, and silver filters held inside a plastic cassette, for the collection of hazardous air contaminants; colorimetric sensors, namely, paper filters treated with chemical reagents bonded to an adhesive strip, worn under personal protective equipment to detect breakthrough of chemical contaminants; scientific research specimen collection devices in the nature of plastic samplers that house paper filters and plastic filters for the collection of airborne particles and restrictive size-selective plastic samplers and metal samplers that house paper filters and plastic filters and separate particulate contaminants by size, all for use with sampling pumps for the collection of hazardous air contaminants; scientific research specimen collection devices in the nature of sampling media, namely, sample bags made of extruded plastic film and foil, not for wrapping, into which air is pulled with sampling pumps to trap hazardous air contaminants, for the collection of hazardous air contaminants; scientific research specimen collection devices in the nature of plastic tube holders, with metal components, for facilitating connection of sorbents held in tubes to sampling pumps for the collection of hazardous air contaminants; scientific research specimen collection devices in the nature of plastic samplers for the separation and collection of airborne contaminants that exist in both the vapor and particulate phases, all for use with sampling pumps for the collection of hazardous air contaminants; scientific research specimen collection devices in the nature of sampling media, namely, sample bags made of extruded plastic film, not for wrapping, into which air is pulled with air sampling pumps to trap hazardous air contaminants, for facilitating the use of air sampling pumps for the collection of hazardous air contaminants; plastic constant pressure controllers for regulating pressure in air sampling trains; scientific research specimen collection devices in the nature of negative pressure sampling chambers, namely, plastic boxes with airtight seal that house sampling bags to be filled with sample air by the vacuum created by a sampling pump, for the collection of hazardous air contaminants; scientific research specimen collection devices in the nature of plastic cassette holders for facilitating connection of filters held inside plastic cassettes to sampling pumps, for the collection of hazardous air contaminants; calibration jars, namely, plastic jars of specified volume into which samplers and sampling media can be placed for facilitating calibration of sampling pumps

Filters made of paper, glass, and quartz fibers for collection of air samples

Non-woven polypropylene textile fiber wipes for the collection of chemical contaminants on skin and surfaces that are exposed to chemical developers for a colorimetric result not impregnated with chemicals or compounds