California Code, Labor Code - LAB § 7725

(a) “Small tank” shall mean any tank 1,200 gallons water capacity or less.

(b) “Large tank” shall mean any tank of more than 1,200 gallons water capacity.

(c) “Shop inspection” shall mean the inspection and testing of tanks or boilers, manufactured, or in the process of manufacture, repair, or alteration, in the manufacturer's shops, or at the jobsite, in accordance with the applicable rules of the respective codes under which they are manufactured.

(d) “Field inspection” shall mean the inspection and testing of installed tanks or boilers or both tanks and boilers, regardless of location.

(e) “Resale inspection” shall mean the inspection of boilers or tanks in the possession of a dealer or vendor at the request of a user who contemplates the purchase thereof.