I would not need to 'control' documents such as : 1) manufacturer's instrumentation manuals where the operator is deemed competent and has no need for a manual, or 2) standard methods where we have already made our internal modifications to the method and any future changes to the standard method are irrelevant to our work. My understanding is that under the scope of Document Control I only have to worry about the external documents: 1) that are needed for the operation of our work or QMS where their absence would cause a problem, or 2) that could be revised and we would need to know about the revision because it will affect our work or the operation of our QMS. I'm using ISO/IEC 17025 specifically, but the doc control portion seems very similar to 9001.
