eNgiNeeriNg 54 Environmental Manager A Safety Checklist for Laboratories These nine best practices for managing change in laboratories can help ensure a safe workplace 57 Environmental Manager Cooling Towers: Managing Tighter Water-Discharge Regulations Tightening regulations of coolingtower water discharge quality are requiring plant engineers and chemists to evaluate enhanced treatment options, sometimes including zero-liquid discharge systems 61 Solids Processing Dry Separation Methods Separating bulk solids via air classification, screening or gravity separation is ubiquitious in many industries - an understanding of these processes is crucial to solids-handling engineers equipmeNt & ServiCeS 26 Focus on Maintenance Equipment No re-measurement is required with this shaft-alignment tool; Route-based and onsite vibration measurement and analysis; This automatic sliding motor base maintains belt tension; A portable IR thermometer with remote and direct-contact modes; Manage and prioritize spare-parts inventory with this system; and more 30 New Products Monitor hydrogen sulfide in high-temperature environments; An exhaust hose for very high temperature operations; Use this ratchet tool for erecting and disassembling scaffolding; These particle sensors are designed for extreme conditions; A versatile curing solution for larger light-curable parts; and more 57 CommeNtary 5 Editor's Page Heading off the 'carbon bubble' Findings from a recent report from the Carbon Tracker Initiative could have far-reaching implications for the future of CPI companies 65 The Fractionation Column Mega columns, mega issues The increasing physical size of distillation columns offers processing opportunities, but also presents engineers with unique challenges departmeNtS 6 8 Letters Calendar 68 Reader Service advertiSerS 66 Product Showcase/Classified 69 Advertiser Index ComiNg iN September Look for: Feature Reports on Wastewater Treatment; and Pumps; A Focus on Valves and Actuators; A Facts at Your Fingertips column on Heat Transfer; News articles on C4 Chemical Processes; and Extruders; and more Cover: David Whitcher oNly oN Che.Com Look for Web-exclusive articles; " Test your Knowledge " quizzes; New Products; Latest News; and more 70 Who's Who 71 Economic Indicators 54 30 2 ChemiCal engineering www.Che.Com august 2014http://www.Che.Com http://www.Che.Com