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In more hazardous work areas, substantial pants and long sleeves are appropriate. Chemical-protective body protection will be selected using predicted chemical exposures and the clothing manufacturer's chemical specific permeation and degradation information to provide optimum protection. 7.2 CHEMICAL PROTECTIVE ENSEMBLES In order to aid in the selection of personal protective equipment (PPE), various ensembles have been developed which provide increasing levels of protection.These ensembles are designated, in increasing levels of complexity and protection,as Levels D, C, B, and A. The specific equipment comprising each level of protection will vary slightly, but are defined primarily by the type of respiratory protective equipment used, and secondly by skin protection. The information presented below consists of a description of the equipment, applications and limitations for ensemble, which might be utilized during construction activities. Specific PPE requirements for each task associated with this project are presented in Table 5, while upgrade criteria linked to results of on-site monitoring activities are provided in Table 4. The following requirements shall apply to the use of any PPE: • Only medically certified individuals will be permitted to use PPE above Modified Level D, Personnel will utilize only equipment, which has been provided for use at the Project sites. Designation of appropriate PPE is the responsibility of the Site Supervisor, • All PPE will be properly fitted to the individual user. 7.2.1 Level D Level. D protection is the lowest level of personal protection allowed during any activity at the site. Level D provides for physical protection only(i.e.,against workplace physical hazards only),and includes no use of respiratory protection. The use of Level D protective equipment is permissible only when all of the following conditions are met: I . Total contaminant concentrations have not been measured above the Level C upgrade action levels specified in Table 4,and 2. Work functions preclude splashes, immersion, significant skin contact or potential for unexpected inhalation of any chemical contaminants During AGE work activities, Level D protection will be the primary level of protection wom during all operations where contact with contaminated materials is unlikely. Upgrading to greater levels of protection will be executed as required in the monitoring guidelines outlined in Table 4. Tvoical Level D Equipment List Hardhat Work clothing(Long pants,long-sleeved,button-down shirt) Safety glasses/face shield Safety-toed work boots Hearing protection(as required) Safety vest with reflective elements Where work tasks require handling of samples/sampling equipment, which presents only a limited potential for skin contact with, contaminated materials,personnel will utilize Level D PPE, with the addition of chemically protective gloves and/or a chemically protective apron.Acceptable gloves/aprons must be constructed of nitrile or butyl rubber compounds,and must be watertight. One acceptable glove is Best Safety's N-Dex glove, which is thin (allowing excellent dexterity) and provides proper chemical protective properties. Other similar gloves are also acceptable. Leatherwork gloves may be used over the Page 26