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1 • 0 <br />' Current enforceable and recommended exposure limits for potential site contaminants are <br />presented in Table A-1. The attached Material Safety Data Sheets present additional hazard <br />' information on these compounds. <br />PERSONAL PROTECTIVE EQUIPMENT <br />A minimum of US EPA Level D protection will be required within the exclusion zone for any <br />workers engaged in sample collection or other similar activities. Level D protection will <br />Include: <br />1. Hardhat (optional, no moving overhead equipment). <br />' 2. Boots with steel toe. <br />' 3. Chemical resistant disposable gloves (when handling materials with elevated <br />levels of petroleum hydrocarbons). <br />4. Disposable Tyveke coverall (when in direct contact with materials containing <br />' elevated levels of petroleum hydrocarbons). <br />' Level C protection will be required if PID readings exceed 50 PPM in the worker's breathing <br />zone. Level C protection will consist of: <br />1. Hardhat (optional, no moving overhead equipment). <br />2. Boots with steel toe. <br />3. Disposable Tyveke coverall. <br />4. Safety glasses, splash goggles, or face shield. <br />5. Chemical resistant inner and outer gloves. <br />' 6. MSHA/NIOSH-approved half -face or full -face air -purifying respirator with <br />organic vapor cartridges. <br />If the PID readings exceed 200 PPM in the workers breathing zone, all work shall stop and <br />the exclusion zone shall be evacuated. <br />DECONTAMINATION <br />' During all field operations, care will be taken to minimize contact with soils containing <br />elevated levels of petroleum hydrocarbons. When leaving the exclusion zone, loose debris <br />will be removed from protective clothing by brushing or rinsing. Gloves and boots will be <br />washed in a 5% solution of trisodium phosphate detergent and rinsed with clean potable <br />water. All rinseate will be disposed of after laboratory results are received. All used <br />respirator cartridges, gloves and coveralls will be placed in a drum on-site for subsequent <br />disposal. No one will exit the exclusion zone with contaminated clothing or equipment. <br />cca09-23-92/8787a. 51/cp31 A-2 <br />