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MATERIAL SAFETY DATA SHEET 200001455/F/USA - Q-0032.6201 Approval Date: 09/26/1997 Print Date: 09/27/1997 Page 6 ------------------------------------------------------------------------------ Exercise caution in heating, especially in a closed container. Storage: Part A & Working solution: Keep container closed. Part B: Contents may develop pressure upon prolonged exposure to heat. Store in a cool place. Keep container tightly closed to prevent the loss of water. Keep away from incompatible substances (see Incompatibility section) . Store in original container. Part C: Keep away from incompatible substances (see Incompatibility section) Keep container closed. Store in a cool place. ------------------------------------------------------------------------------ 8. EXPOSURE CONTROLS/PERSONAL PROTECTION Exposure Limits: Sulfur dioxide gas may be liberated from the product . ACGIH Threshold Limit Value (TLV) : Sodium bisulfite: 5 mg/m3 TWA Sulfur dioxide: 2 ppm TWA; 5 ppm STEL Eastman Kodak Company industrial hygiene guideline: 4 -(N-ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine sulfate: 0. 1 mg/m3 TWA OSHA (USA) Permissible Exposure Limit (PEL - 1971 Table Z-1 Values) : Sulfur dioxide: 2 ppm TWA; 5 ppm STEL Ventilation: Part A, Part B & Part C: Good general ventilation (typically 10 air changes per hour) should be used. Ventilation rates should be matched to conditions. Supplementary local exhaust ventilation, closed systems, or respiratory protection may be needed in special circumstances such as poorly ventilated spaces , evaporation from large surfaces, spraying, heating, etc. Working solution: Good general ventilation (typically 10 air changes per hour) should be used. Ventilation rates should be matched to conditions. Respiratory Protection: Working solution: None should be needed.