Figure 2-7.--Sounding tube oil samplers.
inspection because it is representative of the quality
Each filter/separator (coalescer) clean-fuel
and condition of the total quantity of that fuel.
discharge
METHODS AND EQUIPMENT. The methods
Each stripping pump discharge
you will use to obtain F-76 samples include tank
bottom sampling and pressurized sampling. To
All sounding tubes
perform tank bottom sampling, you will use a
common thief sampler, such as one of those shown in
For you to obtain a representative sample, the
figure 2-7. To perform pressurized sampling, you will
sounding tubes in your ship's fuel tanks must be
need standard equipment items, such as a sample
perforated along the entire length of the tube.
bottle, a bucket, rags, and the required personal
protective equipment.
Regardless of the location and method you use to
take fuel sampleswhether it is from a deck riser at a
LOCATIONS. Regardless of the type of fuel
fueling station, a thief bottom sample, or a sample
system on your ship, your ship must be equipped with
from the system pipingremember to follow the safety
valve connections at certain locations. As a minimum
precautions we have discussed and the guidelines in
requirement, your ship should at least have required
NSTM, chapter 541, "Petroleum Fuel Stowage, Use,
valve connections in the following areas:
and Testing" and chapter 542, "Gasoline and JP-5
Fuel Systems."
Each deck fill connection
STANDARDS. After you take an F-76 sample,
Each
centrifugal
purifier
clean-fuel
you must visually inspect it. In some cases, you must
discharge
determine quickly if the fuel is suitable for use or if
