INTRODUCTION
As a senior petroleum supervisor assigned to a petroleum facility, you are responsible for directing the
sampling and gaging tasks performed by your personnel. The time spent in this lesson, learning how to
properly direct sampling and gaging operations, will ensure that your subordinates are proficient and are
aware of all the safety precautions needed to perform their mission.
PART A - SAMPLING AND GAGING EQUIPMENT VERIFICATION
Periodically and/or during scheduled inspections, you as a supervisor should ensure that the proper
equipment required for sampling and gaging operations is on hand and in good working condition. Items that
could be used to successfully perform sampling and gaging procedures, depending on the particular mission,
are listed as follows:
Bacon Bomb Sampler (Figure 6-1) consists of a nickel-plated brass cylinder tapered at both ends and
fitted with an internal, plunger-type valve, and a drop cord. This sampler is used to take bottom samples
of liquid products of 2 psi or less RVP and samples of semiliquid products.
Figure 6-1. Bacon bomb thief.
Drum Thief Sampler consists of a two-piece, plastic tube 39 ... inches long and 1 ... inches at
maximum diameter. The tube is fitted with two finger rings at the upper end and three supporting legs at
the bottom. Both ends are tapered and have openings. This sampler is used to take samples of liquid
products of 12 psi or less RVP and samples of semiliquid products.
Core Thief Sampler designed so that a sample can be obtained from the bottom ... inch of the car or
tank. One type is lowered with valves open to permit the oil to flush through the container. When the
thief strikes the bottom of the tank, the valves shut automatically. The other type has a projecting stem
on the valve rod which opens the valves automatically as the stem strikes the bottom of the tank.
QM 5097
6-2
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