This manual was prepared by experienced wastewater collection system workers to provide a home study course to develop new qualified workers and expand the abilities of existing workers. This volume is directed primarily towards entry-level operators and the operators of ponds, package plants, or small treatment plants. Ten chapters examine the…

The objective of this instructor's guide is to help provide students with knowledge and skills for employment in the field of wastewater treatment. Included in each chapter outline are: (1) objectives, (2) instructional approach, (3) answers to the objective test in the student's text, and (4) an explanation of these answers. The material…

This booklet is intended to aid the prospective waste treatment plant operator or drinking water plant operator in learning to solve mathematical problems, which is necessary for Class I certification. It deals with the basic mathematics which a Class I operator may require in accomplishing day-to-day tasks. The book also progresses into problems…

In response to a provision of the Safe Drinking Water Act of 1974 which called for a study that would serve as a scientific basis for revising the primary drinking water regulations that were promulgated under the Act, a study of the scientific literature was undertaken in order to assess the implications for human health of the constituents of…

This annual report from the Michigan Council on Physical Fitness and Health describes a project initiated by the Council in l977. "Project Fitness" serves to evaluate the physical fitness levels of all students in the public schools from grades kindergarten through twelve. Emphasis is placed upon early education of children in the importance of…

This publication is a training manual for the private pesticide applicator's permit of the Michigan Department of Agriculture. The information presented in this manual is designed to assist prospective private applicators to meet certification requirements under federal guidelines. The primary focus of this publication is on agricultural pesticide…

A Bibliography of all unclassified technical reports prepared by USAF Environmental Health Laboratory, McClellan is presented. It contains a listing by subject matter and a listing of all reports by year with report number and abstract. The reports cover most areas of environmental topics such as air, water, noise, and radiation pollution. (NTIS)

A World Health Organization expert committee on Postgraduate Education and Training in Public Health met in Geneva from 25 April to 1 May 1973. It was vital to take a fresh look at the situation because of the far reaching changes that have occurred since 1960. There have been extensive revisions of undergraudate medical education. Major…

This paper is from the proceedings of a second international conference on noise as a public health hazard. Funded by the Office of Noise Abatement and Control of the Environmental Protection Agency, these conference proceedings serve as a source material summarizing all known criteria that could be used in establishing national standards for…

This report presents the findings and recommendations of panels created by the Committee on Mineral Resources and the Environment (COMRATE) to study four topic areas of mineral resources and the environment. The topic areas studied by the panels were: technology, supply, the environment, and demand. Section I, the report of the technology panel,…

The second edition of the Toxic Substances List, containing some 13,000 entries, is prepared annually by the National Institute for Occupational Safety and Health (NIOSH) in compliance with the Occupational Safety and Health Act of 1970. The purpose of the List is to identify all known toxic substances but not to quantitate the hazard. The List…

Concern has been growing at the national level regarding the large sums which have been spent on research and development and the corresponding inability of the resulting technology at the local level to solve problems involving the environment, transportation, energy crisis, and public health. The following report describes the investigation…

This book is a report designed to be used by scientists in a wide variety of disciplines and by interested laymen. Thus, the readability of the material was maintained without sacrificing scientific accuracy. The document consisted of three parts. Part 1, Air Conservation and Public Policy, was written to be of interest to the broadest possible…

This self-instructional booklet is designed to enable public health workers identify larvae of some important North American mosquito species. The morphological features of larvae of the various genera and species are illustrated in a programed booklet, which also contains illustrated taxonomic keys to the larvae of 11 North American genera and to…

This self-instructional booklet is designed to enable malarial control workers to identify the larvae of "Anopheles" species that are important malaria vectors. The morphological features of the larvae are illustrated in a programed booklet, which also contains an illustrated taxonomic key to 25 species of anopheline larvae. A glossary and a short…