Described is a modification to the standard procedure for terminating a gravimetric sulfate determination that should be useful when analyzing sulfate levels in drinking water. (CS)

This report outlines the state of the art with respect to nonmechanical and mechanical methods of dewatering water treatment plant sludge, ultimate solids disposal, and research and development needs. (CS)

Guidelines for the water-utility operator and for state surveillance personnel are reviewed concerning fluoridation operations. (Author/MA)

Discussed are three recommended methods of tank disinfection as approved by the Standards Council and the AWWA for tanks constructed of all types of material, including concrete and fiberglass. (CS)

This article describes the development, construction and operation of portable, large-volume sampling devices that facilitate the examination of water supplies for viruses and bacteria.

This article is part two in a series. It builds upon the first article and demonstrates, in a step-by-step fashion, the simplicity of using Caldwell-Lawrence diagrams to determine the amount of conditioning chemicals required to produce protective waters. (Author/MA)

Outlined are the basic elements of a strong utility employee safety program. The components discussed include: management leadership; assignment of responsibility; maintenance; establishment of safety training; accident record system; medical systems; and personal responsibility of employees. (CS)

Summarized are current analytical techniques used to classify, isolate, resolve, identify, and quantify organic compounds present in drinking water. A variety of methods are described, then drawbacks and advantages are listed, and research needs and future trends are noted. (CS)

This article is the third in a series summarizing existing treatment technology to meet the inorganic National Interim Primary Drinking Water Regulations. This report deals specifically with treatment methods for removing cadmium, lead, and silver from drinking water. (CS)

Explained is the process of investigating an alleged waterborne disease outbreak. The information is designed to help water personnel work more effectively with health authorities in tracing, controlling, and preventing waterborne disease. (Author/MA)

This report describes methods and benefits of applying standard work measurement and planning techniques to water distribution system work. The three sections of the report discuss: a general work standards survey; application; and consideration of benefits. (CS)

Outlined are the training and certification programs for individuals who operate treatment plants and distribution systems. The commitment to a comprehensive yet flexible program to respond to operator needs is stressed. (CS)

Using a Peru case study, this article examines the problem of training imbalance for water and wastewater operators. Guidelines towards achieving adequate training for all water and wastewater personnel are suggested. (Author/MA)

Discusses an experimental program to help solve the problems of securing and training new technicians for wastewater treatment facilities. (CS)