Follow
1 Records should be kept for receipt and preparation of reagents and culture media.
2 Laboratory prepared reagents should be prepared according to written procedures and labeled appropriately. The label shall indicate the concentration, standardization factor, shelf-life, revalidation date and storage conditions. The label should be signed and dated by the person who manufactured the reagent.
3 Both positive and negative controls should be applied to verify the suitability of culture media each time they are prepared and used. The size of the inoculum used in the positive control should be suitable for the required sensitivity.
