The occupational and environmental safety and health professions have been on merging paths for several years now. Corporate "down-sizing" or "right-sizing" has resulted in a more streamlined approach to these once very diverse and quite separate disciplines. Although they both may now be practiced in tandem, often by the same individuals, each has evolved and developed as a separate area of study. As such, there are literally thousands of words, terms, and phrases that have specific meanings within their respective disciplines that may not always be clear and simple