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Ij't��Il I N G <br /> VII. SITE STANDARD OPERATING PROCEDURES <br /> A. Personal Protective E ui ment PPE <br /> WZI Inc follows the standard U S Environmental Protection Agency (EPA) personal <br /> protective equipment convention for all hazardous waste field work, described as follows <br /> Level A PPE <br /> Pull encapsulating chemical protective suit, positive pressure demand self-contained <br /> breathing apparatus, disposable Tyvek coveralls as the undergarment <br /> Level B PPE <br /> Positive pressure-demand self-contained breathing apparatus or supplied-air respirator <br /> • In positive pressure mode, 5 minute escape bottle worn at the hip, chemical protective <br /> suit (permeable Tyvek or impermeable coated Tyvek or Saranex coveralls for splash <br /> hazards), chemical protective gloves, inner surgical gloves, chemical protective boots with <br /> steel toe and steel shank, hard hat <br /> Level C PPE <br /> Full face or half face air purifying respirator, chemical protective suit (permeable or <br /> impermeable coated Tyvek or Saranex coveralls for splash hazards), chemical protective <br /> gloves, inner surgical gloves, chemical protective boots with steel toe and steel shank, <br /> hard hat, safety glasses If half face respirator is worn <br /> Level D PPE <br /> Tyvek coveralls, hard hat, steel toed, steel shank work boots, safety glasses, work gloves <br /> • <br /> Appendix IV <br /> Page 7 <br />