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IMPACT OF PRIORITY POLLUTANTS ON PUBLICLY OWNED TREATED WORKS PROCESSES: A LITERATURE REVIEW Larry L. Russell, Vice President Christopher B. Cain, Supervising Engineer James M. Montgomery Consulting Engineers Walnut Creek, California 94598 David I. Jenkins, Professor Department of Sanitary Engineering University of California Berkeley, California 94720 There has been a steady increase in interest in the impact of toxic industrial pollutants on publicly owned treatment works (POTW), in part due to federal regulatory pressure in the form of EPA-mandated pretreatment programs. The setting of numerical industrial discharge limits for specific pollutants has often resulted in contention over the exact concentration threshold at which a particular pollutant will cause unwanted effects on POTW processes. This chapter assembles the information available in environmental engineering literature on which such numerical limits can be based. The city of Indianapolis is conducting a pretreatment program that includes revision of the Industrial Waste Ordinance to prevent impacts on the city treatment plants caused by discharge of industrial waste to city sewers, particularly priority pollutants as defined by the EPA. Documentation is required to develop rational numerical limitations on specific industrial priority pollutants in the ordinance. Consequently, a literature review was conducted to document the impact of priority pollutants on POTW processes. The results of the review indicate that there is sufficient evidence to justify quantitative numerical limitations on priority pollutant metals discharged to city sewers. However, limitations on priority organic compounds should take the form of limitations on spills or slug discharges, because POTW impacts from priority organics occur at concentrations several orders of magnitude greater than those typically found in municipal sewers. OBJECTIVES The objective of this literature review was to search the available literature, including EPA documents, engineering journals and other scientific sources, and assemble reports of experiments in which priority pollutants have been observed interacting with typical POTW treatment processes. The information from each reference was then summarized in terms of the concentration of the pollutant tested, the process observed and observed impact. The results of the impact review were then compared with the concentrations of priority pollutants that have been found by sampling POTW influent wastewater. Comparison of the results of these two approaches provide a starting point to evaluate whether a compound merits limitation in an industrial waste ordinance and at what concentration, if any, the limitation should be set. APPROACH This literature review was conducted by a thorough search of the literature resources available in the library of the University of California at Berkeley. The review made use of the bibliographies attached to several publications that have proposed guidelines or "thresh- 871
Object Description
Purdue Identification Number | ETRIWC198289 |
Title | Impact of priority pollutants on publicly owned treatment works processes: a literature review |
Author |
Russell, Larry L. Cain, Christopher B. Jenkins, David I. |
Date of Original | 1982 |
Conference Title | Proceedings of the 37th Industrial Waste Conference |
Extent of Original | p. 871-884 |
Collection Title | Engineering Technical Reports Collection, Purdue University |
Repository | Purdue University Libraries |
Rights Statement | Digital object copyright Purdue University. All rights reserved. |
Language | eng |
Type (DCMI) | text |
Format | JP2 |
Date Digitized | 2009-07-14 |
Capture Device | Fujitsu fi-5650C |
Capture Details | ScandAll 21 |
Resolution | 300 ppi |
Color Depth | 8 bit |
Description
Title | page 871 |
Collection Title | Engineering Technical Reports Collection, Purdue University |
Repository | Purdue University Libraries |
Rights Statement | Digital copyright Purdue University. All rights reserved. |
Language | eng |
Type (DCMI) | text |
Format | JP2 |
Capture Device | Fujitsu fi-5650C |
Capture Details | ScandAll 21 |
Transcript | IMPACT OF PRIORITY POLLUTANTS ON PUBLICLY OWNED TREATED WORKS PROCESSES: A LITERATURE REVIEW Larry L. Russell, Vice President Christopher B. Cain, Supervising Engineer James M. Montgomery Consulting Engineers Walnut Creek, California 94598 David I. Jenkins, Professor Department of Sanitary Engineering University of California Berkeley, California 94720 There has been a steady increase in interest in the impact of toxic industrial pollutants on publicly owned treatment works (POTW), in part due to federal regulatory pressure in the form of EPA-mandated pretreatment programs. The setting of numerical industrial discharge limits for specific pollutants has often resulted in contention over the exact concentration threshold at which a particular pollutant will cause unwanted effects on POTW processes. This chapter assembles the information available in environmental engineering literature on which such numerical limits can be based. The city of Indianapolis is conducting a pretreatment program that includes revision of the Industrial Waste Ordinance to prevent impacts on the city treatment plants caused by discharge of industrial waste to city sewers, particularly priority pollutants as defined by the EPA. Documentation is required to develop rational numerical limitations on specific industrial priority pollutants in the ordinance. Consequently, a literature review was conducted to document the impact of priority pollutants on POTW processes. The results of the review indicate that there is sufficient evidence to justify quantitative numerical limitations on priority pollutant metals discharged to city sewers. However, limitations on priority organic compounds should take the form of limitations on spills or slug discharges, because POTW impacts from priority organics occur at concentrations several orders of magnitude greater than those typically found in municipal sewers. OBJECTIVES The objective of this literature review was to search the available literature, including EPA documents, engineering journals and other scientific sources, and assemble reports of experiments in which priority pollutants have been observed interacting with typical POTW treatment processes. The information from each reference was then summarized in terms of the concentration of the pollutant tested, the process observed and observed impact. The results of the impact review were then compared with the concentrations of priority pollutants that have been found by sampling POTW influent wastewater. Comparison of the results of these two approaches provide a starting point to evaluate whether a compound merits limitation in an industrial waste ordinance and at what concentration, if any, the limitation should be set. APPROACH This literature review was conducted by a thorough search of the literature resources available in the library of the University of California at Berkeley. The review made use of the bibliographies attached to several publications that have proposed guidelines or "thresh- 871 |
Resolution | 300 ppi |
Color Depth | 8 bit |
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