Visual inspection 10.8 All reagent containers should be visually inspected to ensure that the seals are intact, both when they are delivered to the store and when they are distributed to the units Reagents that appear to have been tampered with should be rejected however, this requirement may exceptionally be waived if the identity and purity of the reagent concerned can be con rmed by testing. Water 10.10 Water should be considered as a reagent. The appropriate grade fora specifi c test should be used as described in the pharmacopoeias or in an approved test when available Precautions should betaken to avoid contamination during its supply, storage and distribution The quality of the water should be verifi ed regularly to ensure that the various grades of water meet the appropriate specifi cations. TRS957.indd 103 21.04.10 11:03