A.3.1 Products having any or all of the variations as given in A.3.2 from a 'type-product' for which test data in accordance with the requirements of Table 1 to Table 5 of this part of EN 599 exist already, are considered only to require re-testing using the test that gave the highest b.r.v. for the original type-product. In the case of EN 113, the test needs only be repeated using the fungus which gave the highest m.t.v. for the original product in Scots pine sapwood only. In the case of ENV 807, only the combination of wood type which gave the highest b.r.v. for the original product needs be repeated.
In every case, where minimum new biological tests are required, the original type-product should be re-tested simultaneously for comparison.
A.3.2 minimum new biological tests are required following
a) for products containing both fungicide(s) and insecticide(s), either changes involving deletion of an insecticide from a product tested against decay fungi (in accordance with this part of EN 599) or involving deletion of a fungicide from a product tested against insects (in accordance with this part of EN 599) unless data exist which confirm no effect of the removal on the efficacy of the remaining biocides (see Figure A.1);
b) changes involving addition of an active ingredient intended as insecticide (tested in accordance with this part of EN 599) to a product tested against decay fungi, or involving addition of an active ingredient intended as active against decay fungi (tested in accordance with this part of EN 599) to a product tested against insects (see Figure A.2);
c) for products containing both fungicide(s) and insecticide(s) (separately tested in accordance with this part of EN 599), changes involving substitution of the insecticide(s) by another insecticide(s) (tested in accordance with this Part of EN 599) (see Figure A.3).
A.3.2.1 In the case of organic solvent based products and water-soluble products, minimum new biological tests are required following:
a) changes involving the incorporation of a water-repellent additive to a formulation;
b) any other changes in the content or nature of co-formulants not exempted by A.2.2 or A.2.3;
A.3.2.2 In the case of emulsion products, minimum new biological tests are required following:
any other changes in the content or nature of co-formulants not exempted by A.2.4 above.
EN 599-1:2009+A1:2013 (E)
a) b) Re-testing necessary?
against
fungi: no providing no
claims of fungicidal efficacy are made
against
insects: yes unless data exist which confirm that the removal of the fungicide (F)a does not affect the insecticidal efficacy against
fungi: yes unless data exist which confirm that the removal of the insecticide (I)a does not affect the fungicidal efficacy
against
insects: no providing no
claims of insecticidal efficacy are made
Key
a) original formulation b) derived formulation F fungicide
I insecticide
Figure A.1 — Requirement for minimum new biological testing in case of the removal of the fungicides or insecticides from a product
a) b) Re-testing necessary?
against fungi: no providing data exist which confirm that Fa has no effect on the fungicidal efficacy of Ia
against
insects: yes
against fungi: yes
against
insects: no providing data exist which confirm that Ia has no effect on the fungicidal efficacy of Fa
Key
a) original formulation b) derived formulation F fungicide
I insecticide
Figure A.2 — Requirement for minimum new biological testing in case of the addition of fungicides or insecticides to a product
a) b) Re-testing necessary?
against fungi: yes
against
insects: no providing data exist which
confirm that Fa has no
strengthening effect on the insecticide Ia and Fb has no weakening effect on the insecticide Ia
against fungi: no providing data exist which
confirm that Ia has no
strengthening effect on the fungicide Fa and Ib has no weakening effect on the fungicide Fa
against
insects: yes
Key
a) original formulation b) derived formulation F fungicide
I insecticide
Figure A.3 — Requirement for minimum new biological testing in case of the substitution of fungicides or insecticides from a product
A.3.3 The new biological tests may be carried out on unaged test specimens except in respect of:
a) products in which the change(s) described in A.3.2.1 involve(s) reduction in content or deletion of any co- formulant; or
b) products in which any changes are as described in A.3.2.2.
When they should be carried out on test specimens appropriately aged in accordance with the provisions of the relevant Table 1 to Table 5 of this part of EN 599 using a limited range of concentrations which should include those from which the original toxic values of the 'type product' were derived.
In the new biological test(s), the biological reference values of the varied products against the relevant test organism(s) should be equal to or lower than those of the original product tested simultaneously for comparison. Providing this is the case, the critical value for the varied product should be regarded as the same as that for the original product. If this is not the case, A.4 applies.
NOTE In the re-test an increase in b.r.v. of 10 % of the value for the original product is admissible to accommodate variations in uptake of fluid by the test specimens.
A.3.4 Additionally, in every case:
It should be confirmed:
a) that the penetration into wood is not adversely affected;
b) that the stability of the product is not adversely affected;
EN 599-1:2009+A1:2013 (E)
c) by chemical analysis, that the above changes do not alter the content of the active ingredient(s) after storage at 40 °C for 8 weeks.