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The provisions of this section only cover analytical methods required for post-registration control and monitoring purposes.
For analytical methods used for generation of data as required in this Directive or for other purposes the applicant has to provide a justification for the method used; where necessary separate guidance will be developed for such methods on the basis of the same requirements as defined for methods for post-registration control and monitoring purposes.
Descriptions of methods must be provided and include details of equipment, materials and conditions used.
As far as practicable these methods must employ the simplest approach, involve the minimum cost, and require commonly available equipment.
For this section the following applies:
Impurities | Any component other than the pure active substance which is present in the active substance as manufactured (including non-active isomers) originating from the manufacturing process or from degradation during storage |
Relevant impurities | Impurities of toxicological and/or ecotoxicological or environmental concern |
Metabolites | Metabolites include products resulting from degradation or reaction of the active substance |
Relevant metabolites | Metabolites of toxicological and/or ecotoxicological or environmental concern |
On request the following samples must be provided:
samples of the preparation;
analytical standards of the pure active substance;
samples of the active substance as manufactured;
analytical standards of relevant metabolites and all other components included in the residue definition;
if available, samples of reference substances for the relevant impurities.
For definitions see Annex II, Section 4, points 4.1 and 4.2.
If required, methods for the determination of formulants or constituents of formulants in the preparation must be submitted.
While interferences due to other components may be identified as systematic errors in the assessment of the accuracy of methods proposed, an explanation must be provided for any interference occurring which contribute more than ± 3 % to the total quantity determined.
Analytical methods for the determination of residues must be submitted unless it is justified that the methods already submitted according to the requirements of Annex II, Section 4, point 4.2 can be applied.
The same provisions as provided in Annex II, Section 4, point 4.2 apply.]