Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Theoretical and Empirical Evaluation of Multipoint Rollback as Applied to Smelters in the Hayden, Arizona Area.
Author Thuillier, Richard H. ; Javitz., Harold L. ;
CORP Author SRI International, Menlo Park, CA.;Environmental Protection Agency, San Francisco, CA. Region IX.
Year Published 1979
Report Number EPA-68-01-4137; SRI-5828-13;
Stock Number PB81-166704
Additional Subjects Air pollution control ; Sulfur oxides ; Arizona ; Feasibility ; Substitutes ; Industrial wastes ; Combustion products ; Standards ; Law enforcement ; Smelters ; Copper ; Copper smelters ; Hayden(Arizona) ; Air quality ; Air pollution abatement
Library Call Number Additional Info Location Last
NTIS  PB81-166704 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/23/1988
Collation 26p
In 1978, EPA promulgated a final rule for the control of sulfur oxide emissions at existing nonferrous smelters in Arizona. Emission limits, determined from a 1973-74 data base, were set by proportionally rolling back the 24-hourly average smelter emissions estimated by sulfur balance or other methods for the day on which the maximum three-hour-average ambient concentration of sulfur dioxide was observed. In response to the EPA rule, an alternative approach to calculating copper smelter emission limits based on a statistical model was proposed by Arizona. EPA contracted with SRI International for an evaluation of both rules. The analysis suggests that emission limits imposed by the current EPA rule provide for a greater confidence in achieving ambient air quality standards than do the limits suggested in the report by Arizona; and that the feasibility of implementing the multipoint rollback method at a smelter to produce a specific enforceable distribution of emissions has yet to be demonstrated.