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Ll <br />A.= INTRODUCTION <br />Ll <br />t <br />1 <br />It is important that personal protective equipment and <br />safety requirements be appropriate to protect against <br />the potential hazards at the site. Protective equipment <br />will be selected based on the contaminant type(s), <br />concentration(s), and routes of entry. In situations <br />where the type of materials and possibilities of contact <br />are unknown or the hazards are not clearly identifiable, <br />a more subjective determination must be made of the <br />personal protective equipment. <br />Field personnel and visitors are required to wear the <br />following clothing and equipment, as a minimum, while on <br />this Project Site: <br />* Hard Hat <br />* Boots <br />B. LEVELS OF PROTECTION - GENERAL <br />Level A: Should be worn when the highest level of <br />respiratory, skin, and eye protection is needed. <br />Level B: Should be selected when the highest level of <br />respiratory protection is needed, but a lesser level of <br />skin protection is required. <br />Level C: Should be selected when the types of airborne <br />substances are known, the concentration is measured, and <br />the criteria for using air -purifying respirators are <br />met. <br />Level D: Should not be worn on any site with <br />respiratory or skin hazards. It is primarily a work <br />uniform providing minimal protection. <br />0 <br />