Standards of good practice: Overview of ANSI Z9 ventilation standards with emphasis on ANSI/AIHA Z9.2-2006 Fundamentals governing the design and operation of LEV systems

摘要

Why do we need standards of good practice? To answer this important question, we should start by comparing chemical safety professionals to other professionals. Pilots are considered tops among professionals. When piloting a planeload of people, pilots carefully follow checklists, instructions, and various standards of good practice. Surgeons are top professionals. They follow exacting procedures and detailed standards of practice as they perform their life-saving work.