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CDOIF
Chemical and Downstream Oil
Industries Forum
CDOIF is a collaborative venture formed to agree strategic areas for
joint industry / trade union / regulator action aimed at delivering
health, safety and environmental improvements with cross-sector
benefits.
Guideline – Demonstrating Prior Use v4
Page 22 of 30
However, it should be noted that the safety manual does not relate to “Prior Use” and BS
EN 61508 Edition 2 does not even discuss the term “Prior Use”.