18.—(1) If a processing plant is processing Category 1 or Category 2 material and processed proteinaceous material is to be sent to landfill (or, in the case of Category 2 material, is applied to land or sent to a biogas or composting plant) the operator must, once every week–
(a)take from the outlet of the cooker in which the material is processed a sample of at least 50 grams of processed proteinaceous material; and
(b)send the sample to a laboratory approved to test it for Clostridium perfingens.
(2) If a processing plant is processing Category 3 material and the processed proteinaceous material is intended for use in feedingstuffs the operator must, on each day that the material is consigned from the premises–
(a)take a representative sample of the processed proteinaceous material , and
(b)send it to a laboratory approved to test it for Salmonella and Enterobacteriaceae.
(3) If a processing plant is processing Category 3 material and the processed proteinaceous material is not intended for use in feedingstuffs the operator must, once every week–
(a)take a sample of the processed proteinaceous material that is consigned from the premises; and
(b)send the sample to a laboratory approved to test it for Salmonella and Enterobacteriaceae.
(4) Any person who fails to comply with any provision of this regulation is guilty of an offence.