By Lengel, Arendt, Seal, Knecht, Dietrich, Lukehart Ervin
This document presents a step by step approach for picking, comparing, and choosing ways to display screen typhoon water that's topic to runoff containing deicing fabrics. The information addresses deciding upon the parameters to be monitored and discusses the appropriateness of varied tracking tools and tool varieties to fulfill an airport's particular wishes. The guidebook additionally presents concepts for setup, operation, and upkeep of every tracking process. The guidebook additionally contains precious appendices that outline correct technical phrases and supply pattern outreach fabrics to assist speak the choice approach to nontechnical stakeholders. Technical details on quite a few on-site tracking tools is supplied in a sequence of truth sheets. those truth sheets, that are geared up through the parameter being monitored, describe key elements comparable to how the strategy works, its present point of adoption in the undefined, implementation concerns, rate, and advantages/disadvantages.
desk of Contents
2. determine acceptable tracking Parameters
three. determine appropriate tracking forms
four. determine acceptable tracking equipment
five. determine appropriate software versions
6. Implementation of tracking platforms
Acronyms and Abbreviations
Abbreviations and Acronyms Used with no Definitions in TRB courses
ARCP truth Sheets - On-Site tracking tools
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Additional info for Guidebook for Selecting Methods to Monitor Airport and Aircraft Deicing Materials
Limited number of vendors may indicate that spare parts are difficult to get or method is not widely used/researched. 5. Fact sheets’ implementation consideration criteria. Criterion Typical installation locations Regulatory-approved method Description Examples of airport processes for which method is applicable Does the method have a federal or local regulatory approval? Measurement range Range in which method can accurately measure Measurement accuracy as a percentage of measurement Accuracy Response time Siting constraints/needs (Online only) Flow and stream constraints Interferences Staff time requirements Level of staff knowledge O&M issues Data retrieval Recommended features Optional features Typical time from sample collection to result Utility or other needs for implementation Requirements for the sample collection Parameters that can cause a measurement malfunction Provides information on expected labor needs Provides information on complexity of method Provides information on expected maintenance labor needs Typical communication connection supplied by manufacturers Recommended additional equipment of successful operation Additional equipment that may be required for successful operation Reason It Is Important See following text for discussion of the airport processes.
Other features of the TOC ozone/caustic soda oxidation method can be found on Fact Sheet 65. 5 BOD/COD/TOC by Correlation Monitors that measure BOD, COD, and TOC directly can be purchased. It is also possible to indirectly obtain BOD, COD, TOC, and PG output from virtually any on-site monitor measuring organic compounds through means of correlation. In the correlation method, monitor measurements can be converted to output in terms of BOD, COD, TOC, or PG through the use of mathematical relationships between the measured parameter and the desired output parameter.
The photochemical oxidation method is inexpensive to operate per sample, and results are available in a few minutes. The method generally correlates well with the EPA-approved method for COD. Other features of the COD photochemical oxidation method can be found on Fact Sheet 61. The dichromate method is the EPA-approved method for COD analyses, is widely used, and is a very simple procedure. The dichromate method requires a 2-hour digestion period to chemically oxidize the organics, followed by a cooling period for the samples.