Recommended practice for emergency power systems in health care facilities
Chapter V of the White Book deals with the requirements and equipment which are recommended for health care facility emergency power systems and their operation. Suggested methods for system design, installation, testing, and maintenance are included. The main components of the emergency power system are the generator sets, automatic transfer switches, engine generator controls, engine cranking batteries, and battery charger. Additional equipment may include synchronizing and paralleling equipment for multigenerator set installations, utility peak demand reduction controls, elevator emergency power selector systems, and bypass-isolation switches for automatic transfer switches.
An analytical look at standby diesel engine/generator loading
Diesel engine/generators are complex systems which utilize different governors, voltage regulators, excitation systems, excitation support systems, and turbochargers. Even the engine and the generator have widely varying characteristics and ratings and are often matched differently for different applications. In sizing and specifying these units, the engineer should use `rules of thumb' cautiously. As many known factors as possible should be applied to the sizing and specifying process. In the future, the computer will probably be used routinely to predict diesel engine/generator response to dynamic loads.
Enumeration of total coliforms, fecal coliforms, and Escherichia coli in foods by hydrophobic grid membrane filter: supplementary report.
Raw, comminuted poultry meat was used to determine the specificity of the media and incubation conditions used in the hydrophobic grid membrane filter method. Confirmation rates for target colonies were 100% for total coliforms, 98% for fecal coliforms, and 97-99% for Escherichia coli. The results of total coliform enumeration in 30 pasteurized milk samples by both the hydrophobic grid membrane filter method and AOAC method 46.013-46.016 are also reported.