Is every receiver equipped with a pressure gauge and with one or more automatic, spring-loaded safety valves?

Is the total relieving capacity of the safety valve capable of preventing pressure in the receiver from exceeding the maximum allowable working pressure of the receiver by more than 10 percent?

Is every air receiver provided with a drain pipe and valve at the lowest point for the removal of accumulated oil and water?

Are compressed air receivers periodically drained of moisture and oil?

Are all safety valves tested frequently and at regular intervals to determine whether they are in good operating condition?

Is there a current operating permit used by the Division of Occupational Safety and Health?

Is the inlet of air receivers and piping systems kept free of accumulated oil and carbonaceous materials?