Paragraph 22 Single chamber type stick sampler
In the case of a single chamber type stick sampler—
(a)
the sleeve shall move freely;
(b)
the instrument shall be inserted vertically downwards till the aperture reaches the appropriate primary sampling position ensuring that the sleeve covers the aperture as in enters the seed;
(c)
the instrument shall be withdrawn sufficiently to uncover the aperture;
(d)
the instrument shall be left in position until the primary sample has been collected; and
(e)
the instrument shall be withdrawn and the contents emptied into a clean container.