ASME PVHO-2 pdf download MANDATORY APPENDIX I DEFINITIONS 7IDENTIFICATION AND CONTROL OF ITEMS a) Identification shall be maintained on all items orin documentation traceable to them. (b) Controls shall be established to prevent use ofincorrect or defective items. (c) The window fabricator,based on his judgment,shall also maintain additional identification and docu- mentation to assure that significant prnbl ana aocH-identified and...