The 127 citations in this annotated bibliography provide a substantial resource describing recent investigations on the regulation of water quality. The listing, prepared by NAL's Water Quality Information Center, is part of the Quick Bibliography Series of the National Agricultural Library (NAL), intended primarily for communicating current…

How to access and search using the Online Library System (OLS) is described. The OLS is a computerized list of bibliographic citations compiled by the library network of the Environmental Protection Agency (EPA). It consists of several related databases and can be used by anyone to search for books, documents, journals, and other materials. In…

The term "acid rain," also called "acid precipitation," generally refers to any precipitation having a pH value of less than 5.6. This guide to the literature on acid rain in the collections of the Library of Congress is not necessarily intended to be a comprehensive bibliography. It is designed to provide the reader with a set…

Lakes and wetlands make up that part of Kentucky's water bodies commonly referred to as standing waters. These waters serve many purposes for the people of the state and are necessary and valued elements of its natural resources. This field guide was designed to provide useful background information and reference material for the study of these…

Few investments have as little thought given to planning as the installation of a water-supply system for the home or farm. There are many considerations to be made if an adequate supply of water is to be available for the living and recreational needs of a family or the needs of livestock. This book is designed to instruct the reader on how to…

A brief overview of the basic concepts and philosophies for sampling water and waste water systems is presented in this module. The module is not intended to specify sampling procedures, frequencies, or locations for specific treatment facilities but rather to outline those general procedures which should be followed when sampling under most…

Describes project funded by U.S. Agency for International Development to provide short-term technical assistance (general, technology transfer, institutional development and training, information support) to rural and urban fringe water supply and sanitation projects. Initial steps, special collection, and future components of rainwater network…

This "IssueTrak" discusses how saving energy and becoming energy efficient may significantly impact a school district's bottom line as well as simply being the right thing to do. There are many opportunities to conserve that can be implemented at little or no cost. To be successful, a school district must allow employees to gather data, analyze…

This guide provides teachers with materials, information, and classroom activities to enhance any drinking water curriculum. Students can use the activity sheets to further lessons and stimulate thought. Parents can use the guide to develop science projects that will provoke thought, encourage research, and provide a scientific approach to…

Examines problems associated with transboundary environmental pollution, focusing on problems arising between the United States and Mexico and between the United States and Canada. Also discusses new organizational forms developed to bring transboundary issues to a higher policy-making level. (JN)

Describes the constructivist approach and how it can be implemented in a science activity on calcium carbonate, hard water, and the polyphenols extracted from boiling tea bags. (DKM)

Describes an activity that enables students to understand that there are many substances and odors carried in the flow of water. Students identify and describe a variety of natural and introduced materials found in bodies of water, and observe the effects of silt, sand, gravel and odor sources on water. (DDR)

Examines the possibility of using expert system tools for environmental data management. Describes the domain-independent expert system shell SAK and Knowledge EXplorer, a system that learns rules from data. Demonstrates the functionality of Knowledge EXplorer on an example of water quality evaluation. (LZ)

Describes a public health program for mothers and children developed by UNICEF workers in the Philippines that incorporates literacy and environmental awareness along with the usual focus on immunizations, nutrition, and clean water. The program contained an organic gardening project intended to empower women at the local level. (LZ)

A method for demonstrating eutrophication that can be used as a simple illustration of the phenomenon or as a basis for problem-solving activities is presented. A sample worksheet with procedures for this activity and discussion questions is included. (Author/KR)