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Table 2 Working environment measurement for each automobile repair shop

From: Malignant Fibrous Histiocytoma of the Maxillary Sinus in a Spray Painter from an Automobile Repair Shop

  Workplace 1 * Workplace 2 Normal limit
2,4-TDI - -  
2,6-TDI - -  
MDI§ - -  
HDI** - -  
Talc (except asbestos) - -  
chromium - -  
Trivalent chromium - -  
Chromate (hexavalent chromium) (mg/m3) 0.0008-0.0013 0.0003-0.0006 0.0500
Lead (inorganic dusts, fume) - -  
Nickel (insoluble inorganic compound) (mg/m3) 0.0039-0.0047 0.0001 0.5000
Formaldehyde (ppm) 0.3016-0.3244 0.0965-0.1069 0.7500
  1. *K. automotive repair shop.
  2. †I. automotive repair shop.
  3. ‡Toluene d-iso cyanate.
  4. §4,4′-Methylene di(bis)phenyl diisocyanate.
  5. **Hexamethylene diisocyanate.