This manual provides information needed to meet specific standards for certification as a pesticide applicator. The text discusses those pests which are agents in transmitting disease, cause injury or discomfort, and bite or sting. Control methods for each of these categories are provided. (CS)

This article discusses the two most frequently found intestinal helminths: tapeworms and roundworms. (JS)

The pumps discussed herein are intended to be used for recirculating water in swimming pools, both public and private. Included are the basic components which may be a part of a pump such as the housing, strainer, impeller, valves, and such other parts as are attached or a part of the pump as supplied by the manufacturer. This standard is intended…

Sand type filters are covered in this standard. The filters described are intended to be designed and used specifically for swimming pool water filtration, both public and residential. Included are the basic components which are a necessary part of the sand type filter such as filter housing, upper and lower distribution systems filter media,…

Pressure and vacuum diatomite type filters are covered in this standard. The filters herein described are intended to be designed and used specifically for swimming pool water filtration, both public and residential. Included are the basic components which are a necessary part of the diatomite type filter such as filter housing, element supports,…

An up-to-date listing of swimming pool equipment including--(1) companies authorized to display the National Sanitation Foundation seal of approval, (2) equipment listed as meeting NSF swimming pool equipment standards relating to diatomite type filters, (3) equipment listed as meeting NSF swimming pool equipment standard relating to sand type…

This standard covers the sanitation requirements for equipment and/or devices used in the storage, preparation, or handling of foods and beverages. The National Sanitation Foundation's basic criteria for the evaluation of special equipment and/or devices has been prepared to fulfill several specific needs, its major function being to serve as a…

Non-smokers exposed to emissions from a burning cigarette in ambient air demonstrate measureable physiological responses. The study showed that work capacity was reduced as a result of exposure to their sidestream cigarette smoke. (RE)

Manufacturers of instruments and equipment used in the measurement, control, etc., listed alphabetically under product headings. Extensive listing. (LK)

An exploration of the question of the epidemiological basis for environmental health, and the community health-environmental quality relationship. The need for a re-thinking of resource requirements, with corresponding adjustments in the educational structure, is stressed. (LK)

Reviews past and present arguments for and against the Delaney Clause'' of the Federal Food, Drug, and Cosmetic Act. The clause prohibits use, in food, of any amount of any substance that has caused cancer in man or animals. (AL)

Gives information on costs and benefits of pesticides, and on specific injurious effects on humans and fish and wild life. Suggests restriction of use of certain pesticides and acceleration of research on biological control. (EB)

School fluoridation programs have been shown to be effective and safe. (JD)