The standards may, in particular, vary with regard to(1) the characteristics of the petroleum equipment, its location or its use;
(2) the fact that the petroleum equipment is being brought into service for the first time;
(3) the work carried out since the last inspection;
(4) the extent of the last inspection or last testing of operating performance, the date on which it was carried out and the results obtained;
(5) the results of the last leak test;
(6) any complaints received in connection with the condition of the petroleum equipment that the Minister considers justified, and the inspection reports;
(7) any recommendations joined to the last certificate issued;
(8) the times or frequency at which the petroleum equipment must be inspected;
(9) the facts observed during the inspection;
(10) the management of the petroleum equipment and the training of the persons operating the equipment.