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CI►�UirNC <br /> 2) Exposure to chemical contamination through skin contact and ingestion <br /> Ongoing air monitoring during project tasks will provide data to ensure that vapor <br /> concentrations are within acceptable ranges and will provide adequate selection criteria for <br /> respiratory and dermal protection <br />' • If photoionzation detector/flame ionization detector (PID/FID) readings exceed 100 <br /> units, an air purifying respirator with organic cartridges must be wom by all site <br /> workers within any area where monitoring results exceed 100 units <br /> • If PID/FID readings exceed 750 units, Level B protection will be required <br /> Personnel must leave the site immediately and contact the Site Safety Officer or the <br /> Health and Safety Manager for further instructions <br /> • Respirator cartridges will be changed once per day as a minimum This can be <br />' accomplished at the end of the work day during respirator decontamination If odor <br /> breakthrough is detected while wearing the respirator or breathing becomes difficult, <br /> lie change cartridges immediately . <br /> 5.3 Action Levels/LeveLof Peisonal Protection Equnpm nit (PPE <br />' Air monitoring LEVEL D LEVEL C LEVEL B <br /> instrument <100 units 100-750 units >750 amts <br /> 5.4 Personal Protective Egrnpment <br /> Modified Level D is the minimum acceptable level for this site Modified Level D <br /> provides minimal dermal protection Respiratory protection is optional unless air monitoring <br /> data indicates otherwise <br />' Modified Level D includes <br /> - coveralls/work uniform <br />' - Tyvek (optional) <br /> - Nitrile butyl-rubber or Viton gloves (optional) <br /> 13 <br />