2009 California Labor Code - Section 7620-7626 :: Chapter 1. Scope Of Chapter And General Provisions

7620.  "Division," as used in this part, means the Division of
Occupational Safety and Health.

7621.  "Boiler" as used in this part means any fired or unfired
pressure vessel used to generate steam pressure by the application of
heat subject to this part.

7622.  "Tank" as used in this part, means any unfired pressure
vessel, subject to this part, used for the storage of air pressure or
liquefied petroleum gases; provided, however, that for the purpose
of shop inspection, "tank" shall mean any unfired pressure vessel
built according to the rules of any nationally recognized pressure
vessel code.

7623.  This part applies to all boilers and tanks which are not
specifically exempted in this chapter, or by the general safety
orders of the division now in effect or which may be hereafter
adopted.

7624.  The following tanks are not subject to this part:
   (a) Tanks under the jurisdiction or inspection of the United
States government.
   (b) Air pressure tanks used in household domestic services.
   (c) Tanks of 1 1/2 cubic feet or less which are not subject to a
pressure of more than 150 pounds per square inch.
   (d) Air pressure tanks supplied with air by the same air
compressor which supplies air for the brakes of any motor vehicle or
streetcar, which units of transportation are operated by any person,
firm, or corporation subject to the jurisdiction of the United States
Department of Transportation or the California Highway Patrol.
   (e) Tanks not subject to an internal or external pressure or more
than 15 pounds per square inch, irrespective of size.

7625.  The following steam boilers are not subject to this part:
   (a) Boilers under the jurisdiction or inspection of the United
States Government, and all other boilers operated by employers not
subject to Division 4 of this code.
   (b) Boilers on which the pressure does not exceed 15 pounds per
square inch.
   (c) Automobile boilers and boilers on road motor vehicles.

7626.  This part does not limit the authority of the division to
prescribe or enforce general or special safety orders.