Guidance for the in-house preparation of quality control materials (QCMs)1 Scope This Guide outlines the essential characteristics of reference materials for quality control (QC) purposes, and describes the processes by which they can be prepared by competent staff within the facility in which they will be used (i. e. where instability due to transportation conditions is avoided). The content of this Guide also applies to inherently stable materials, which can be transported to other locations without risk of any

BS 4973-3 guidelines help manufacturers to streamline production so that users have access to superior products made from suitable materials

1 single-mode fibre is relevant to:

work procedures

agencies which offer employee screening packages under the Approved Contractor Scheme

holes or a crack

by their chemical composition

BS EN ISO 10819+A1 is the second edition that cancels and replaces the first edition EN ISO 10819:1996

BS EN 17163 is an international standard that deals with all the information regarding pulp

nursing homes]

Installation

the manufacturer and purchaser agree on mechanical properties at the time of enquiry and order

Tests on core material