All participants should read this document prior to participating in the EQAs. All laboratories who participate in the Scheme must agree to comply with the conditions of participation (Appendix F & G for UK and non-UK laboratories respectively).

Examples of the submission forms are included in the Participants' Manual.

Changes have been made to the following sections of the Participants' Manual for 2010: 2.3, 2.4, 2.6.1, 2.7.1, 2.7.7, 2.7.8, 2.7.11, 2.8.3, 2.8.6, 2.8.7, 2.9.3, 2.10, 2.11, 2.11.1, 2.11.2, 4.0, 6.1, Appendix C, D, E, F