Division 9.3.1.3 Sampling methods

For continuous and batch sampling, introduced in point 7.2, the following conditions apply:

1. (a)

   When extracting from a constant flow rate, the sample shall also be carried out at a constant flow rate;

2. (b)

   When extracting from a varying flow rate, the sample flow rate shall be varied in proportion to the varying flow rate;

3. (c)

   Proportional sampling shall be validated as described in point 8.2.1.