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NIOSH has determined that these categories of respirators are effective against TB. Based upon these criteria, the minimally acceptable level of respiratory protection for TB is the Type 95 Respirator. The classes of these air-purifying, particulate respirators to be certified are described under 42 NATIONAL Pesticide APPlicAtor certificAtionshine, and rain), air or water pollution, and topographic features (rivers, lakes, and mountains) that can affect pest movement. If such natural controls do not hold pests in check, humans must intervene and apply pest management tactics. Applied controls include bio-logical, chemical, cultural, genetic, mechanical/physical, and regulatoryEMERGENCY CARCASS MANAGEMENT DESK REFERENCE Composting materials within enclosed structures may contain harmful levels of air contaminants. Before entering the structure wear appropriate personal protective equipment and maximize natural ventilation by opening the doors and curtains to all the houses containing compost piles. Allow enough time for the houses to air out before entering them.

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