The three-volume report compiles all data from EPA/IERL-RTP's phased environmental assessment program for the period 2/78-3/79. It includes data from 14 environmental assessment studies, compiled in standard format. The formatted Level 1 data are organized within each study by the analytical technique used to generate the data. Inorganic data as generated by spark source mass spectroscopy, atomic absorption, gas chromatography, chemiluminescence for oxides of nitrogen, anion analysis, and aqueous analysis precede the organic data generated by gas chromatography for C1-C6/C7 or C7-C17, liquid chromatographic fractionation, infrared spectroscopy, and low resolution mass spectroscopy. Sampling and analytical techniques that were used, that are not specified in Level 1, are documented in the summaries and data pages. Each Level 1 data section is followed by a Level 2 data section and/or additional data section. Tables and figures in the Level 2 and additional data sections have been reproduced from the documents originally published by the organization conducting the study. The studies are organized by industrial type: (Vol. II) coke production, and ferroalloy process.