Unless the contrary intention appears a reference to a substance in a schedule or an appendix to this Standard includes:
(a) that substance prepared from natural sources or artificially; and
(b) where the substance is a plant (other than a plant included in Schedule 8 or 9), that plant or any part of that plant when packed or prepared for therapeutic use; and
(c) every salt, active principle or derivative of the substance, including esters and ethers, and every salt of such an active principle or derivative; and
(d) every alkaloid of the substance and every salt of such an alkaloid; and
(e) every stereoisomer of the substance and every salt of such a stereoisomer; and
(f) every recombinant form of the substance; and
(g) a preparation or admixture containing any proportion of the substance,
but does not include:
(h) a preparation or product included in Appendix A, or a substance and the reason for its entry in Appendix B; or
(i) a substance included in Appendix G at a concentration not exceeding the concentration specified in column 2 of that Appendix in respect of that substance; or
(j) any other substance included in Schedules 1 to 6, at a concentration not exceeding 10 mg per litre or 10 mg per kilogram, unless that substance is also included in Schedule 7 or 8; or
(k) any substance present as an impurity in a pesticide, at a concentration at or below the maximum content for that substance, specified for the pesticide in the Standards for Active Constituents, as published by the Australian Pesticides and Veterinary Medicines Authority.