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The National Academies

ACRP 02-87 [Anticipated]

Methods for Evaluating Airfield Pavement Deicer Contributions to Airport Stormwater Quality

  Project Data
Funds: $350,000
Staff Responsibility: Joseph D. Navarrete
Fiscal Year: 2018

This project has been tentatively selected and a project statement (request for proposals) is expected in November 2017. The project statement will be available on this world wide web site. The problem statement below will be the starting point for a panel of experts to develop the project statement.

ACRP Project 02-61 identified and ranked research needs related to airport stormwater management.  One of the conclusions of this review was that the National Pollutant Discharge Elimination System (NPDES) stormwater permit compliance requirements increasingly include pavement deicer constituents in stormwater discharges. There are several factors driving this regulatory interest.  As controls on aircraft deicing runoff have become more widespread and effective, the relative contribution and influence of pavement deicing runoff, which is typically impractical to collect, has increased.  In addition, with EPA’s determining that urea used as an airfield pavement deicer is a significant pollutant source in stormwater discharges, increased attention has been drawn to the general use of airfield pavement deicers.  Airports therefore need to know how to properly monitor these constituents in stormwater and understand how to use monitoring results to assess the contribution of pavement deicing to the total pollutant load.  Yet airports face significant challenges when attempting to parse out the relative contribution of airfield deicers to these parameters because the sources of biochemical oxygen demand (BOD) and chemical oxygen demand (COD) cannot be directly identified from their analytical measurements.

The objective of this research is to develop guidance for airports to quantitatively identify the contributions of airfield pavement deicers to environmentally relevant characteristics of stormwater discharges, such as BOD and COD.

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