STUDY MATERIAL FOR THE CERTIFICATE OF FITNESS …

www1.nyc.gov

LPG/CNG torch operation for torch-applied roof systems No G-41, G-42 or G-60 Use of LPG/CNG for asphalt melter No G-40, G-42 Use of oxygen and flammable gases or LPG or CNG for any hot work operation Yes G-60 Use of oxygen and piped natural gas for hot work operation in jewelry manufactures and dental lab facilities Yes G-61

  G 60