ANNEX IVConformity assessment procedures
PART IIDESCRIPTION OF CONFORMITY ASSESSMENT PROCEDURES
MODULE A1 – INTERNAL PRODUCTION CONTROL PLUS SUPERVISED PRODUCT TESTING
4.Product checks for oil retention and detonation resistance
4.2.Oil retention test referred to in point 4 under PFC 1(C)(I)(a)(i-ii)(A) in Annex I
4.2.1.Description
The oil retention of an EU fertilising product shall be the quantity of oil retained by the EU fertilising product determined under the operating conditions specified and expressed as a % by mass.
The test shall be carried out on a representative sample of the EU fertilising product. Before being tested, the whole mass of the sample shall be thermally cycled two times in accordance with point 4.1.
The method is applicable to both prilled and granular fertilisers which do not contain oil soluble materials.