Regulatory impact analysis of emission standards for elemental phosphorus plants /

"EPA 520/1-84-025."

An analysis of the low emission vehicle program in Illinois /

Cover title.

Proposed standard for radon-222 emissions from licensed uranium mill tailings : draft economic analysis /

"40 CFR Part 61, national emission standards for hazardous air pollutants."

Methods for the analysis of columbium and its alloys /

This report consists of the analytical procedures modified or developed at Pratt & Whitney Aircraft, CANEL, for the determination of alloying constituents and impurities in columbium and its alloys. Included are spectrophotometric methods for chromium, columbium, iron, molybdenum, tungsten, nickel, nitrogen and titanium; volumetric methods for chromium, vanadium and zirconium; emission and X-ray spectrographic methods for various alloying elements; a spectrographic method for zirconium and trace impurities and miscellaneous methods for aluminum, carbon, oxygen and hydrogen.

Report on available standard samples and related materials for spectrochemical analysis, 1960.

Mode of access: Internet.

Reanalysis of the effect of proposals to relax vehicle emission standards on Chicago air quality : three reports and a summary.

"April, 1982."