Obtain a sample from a point in the LPG system that
will give a representative sample of the volume being tested,
such as from a dynamic flowing stream or from a well mixed
container, as appropriate. Preferably, collect the sample directly
into the corrosion test cylinder (6.1) after it has been
prepared for testing (10.1). Pay particular attention to safety
and warning notes in Practices D1265 and D3700.0).