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The Vegetable Seeds Regulations 1993

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Methods of Use

12.  All instruments shall be clean before use. The methods of using these instruments shall be as follows:—

(a) Dynamic Spear Sampler

These samplers may be used in two ways as appropriate to their length.

  • Method 1(For instruments in which the aperture reaches only to the centre of the sack or small container.)

  • The instrument shall be inserted into the sack in an upward direction at an angle of approximately 30° to the horizontal with its aperture downwards until the aperture reaches the centre of the sack or container. The instrument shall be lightly tapped to remove any seed taken in and then rotated to bring the aperture uppermost. It shall be withdrawn immediately with a vibratory or oscillatory motion and at a decreasing speed so that the quantity of seed obtained from successive locations increases progressively from the centre to the side of the sack. Seed passing through the instrument shall be collected in a clean container.

  • Method 2(For instruments in which the aperture reaches to the far side of a sack or small container.)

  • A longer instrument shall be inserted in the manner described in Method 1 above until its aperture reaches almost to the far side of the sack or container. It shall be tapped and rotated in the manner described above and then withdrawn at a uniform speed. Seed passing through the instrument shall be collected in a clean container.

(b) Stick Sampler

(i)Single chamber type

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 it 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c.The instrument shall be withdrawn sufficiently to uncover the aperture.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.

e.The instrument shall be withdrawn and the contents emptied into a clean container.

(ii)Multi-chamber type

a.The apertures shall be closed before insertion.

b.The instrument shall be inserted diagonally into sacks or vertically into large containers so that all apertures are fully covered.

c.The apertures shall be opened.

d.The instrument shall be agitated so that seed enters.

e.The apertures shall be closed gently to ensure that trapped seed is not broken or damaged.

f.The instrument shall be withdrawn and if the chambers are full the contents shall be emptied onto a clean surface or into a clean container.

g.If all the chambers are not full, the contents shall be discarded and procedures a-f shall be repeated.

(c) Cargo Sampler

a.The lid shall open and close easily.

b.The instrument shall be inserted with the lid closed to the appropriate primary sampling position which shall be at least 300mm below the surface of the seed.

c.The handle shall be raised sufficiently to open the lid.

d.The instrument shall be left in position until the primary sample has been collected.

e.The instrument shall be withdrawn and the contents shall be emptied into a clean container.

(d) Seed Stream Samplers

Such instruments shall be required to take the number of primary samples necessary for the weight of lot being sampled, the primary samples being taken from the lot at regular intervals and the resultant composite sample being of a weight not less than that prescribed in Part II below and not greater than can conveniently be reduced by means of one of the methods of sample reduction described in paragraph 14 below. They shall be installed in such a way that the composite sample shall be readily identifiable with the seed lot from which it was taken.

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