National emission standards study : report : appendix : a report to the Congress of the United States by the Secretary of Health, Education, and Welfare, in compliance with Public Law 90-148 : Clean Air Act, as amended.

Includes bibliographies.

Interstate effects surveillance network : tabulation of data, Jan.-Dec. 1969.

Chiefly tables.

Air quality data from the national air surveillance networks and contributing State and local networks.

1967 ed. issued by Division of Air Quality and Emission Data, as APTD 69-22.

Bibliography on synthetic detergents in water and wastes, including analytical methods and physiological effects

Mode of access: Internet.

The bacteriological and chemical behavior of silver in low concentrations /

Mode of access: Internet.

Municipal water facilities; communities of 25,000 population and over.

Mode of access: Internet.

Annotated bibliography on the effects of irrigation practices on stream water quality with emphasis on salinity and pesticides /

Mode of access: Internet.

Water metals no.3 : study number 23 ; report of a study conducted by Analytical Reference Service.

Mode of access: Internet.

Basic waste characteristics at winter recreation areas; progress report. A technical project report

Mode of access: Internet.

Ultimate disposal of advanced-treatment waste Part 1. Wet oxidation, Part 2. Incineration : for the Advanced Waste Treatment Research Program, Basic and Applied Sciences Branch, Robert A. Taft Sanitary Engineering Center /

Mode of access: Internet.

Ozone treatment of secondary effluents from waste-water treatment plants /

Mode of access: Internet.

Advanced waste treatment by distillation /

Mode of access: Internet.

Adsorption of biochemically resistant materials from solution, 1 /

Mode of access: Internet.

Adsorption of biochemically resistant materials from solution. 2. /

Mode of access: Internet.

Duck-processing waste /

Mode of access: Internet.