Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 13 - PROPANE AND LIQUEFIED PETROLEUM GAS
Subchapter C - MANUFACTURE OF NITRO AND AMIDO COMPOUNDS
TRINITROTOLUOL
Section 13.203 - Drying apparatus
Current through Register Vol. 54, No. 38, September 21, 2024
(a) If the drying is done on small drying hand trays the heating elements shall be so arranged that the material to be dried or the dust cannot come in direct contact with them. The temperature in the drying chambers shall not exceed 60 C. All drying apparatus shall be so constructed that the gases escape easily without dangerous pressure if the trinitrotoluol should ignite.
(b) If the drying is done in large drying pans, hot water or low pressure steam at not over 20 pounds pressure per square inch shall be employed for heating. The contents shall be kept in constant motion and the apparatus constructed to prevent the escape of vapors into the workroom.