National Potato Grade Labeling Act. Hearings before a subcommittee, Eighty-fifth Congress, first session, on S. 1315 and S. 1393, bills to authorize the National Potato Grade Labeling Act, which provides quality requirements for, and the inspection, certification, and labeling of Irish potatoes. May 21-22, 1957.

Mode of access: Internet.

National Crash Severity Study - quality control. Task V: analysis to refine spinout aspects of CRASH. Final report.

National Highway Traffic Safety Administration, Washington, D.C.

Non-point source water quality monitoring, Inyo National Forest, 1975 : a progress report /

Includes bibliographies.

Guide for preparation of quality assurance project plans for the National Estuarine Program

Mode of access: Internet.

Water-quality assessment of the Indiana Dunes National Lakeshore, 1973-74 /

Mode of access: Internet.

Air quality data from the national air sampling networks and contributing state and local networks, 1964-1965.

Mode of access: Internet.

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.

Illinois State Cancer Registry : quality control procedures and findings /

"December, 1988."

National registry of natural landmarks /

Mode of access: Internet.

Air quality data for 1968 from the National Air Surveillance Networks and contributing state and local networks.

Chiefly tables.

Weminuche Wilderness monitoring plan for air quality related values : San Juan National Forest, final.

"December 1991."

Annual report of the National Center for Productivity and Quality of Working Life.

Report for 1976 covers period from Nov. 28, 1975-Sept. 30, 1976.

Methods for comparing water-quality conditions among National Water-Quality Assessment Study Units, 1992-1995 /

Mode of access: Internet.