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The National Academies

NCHRP 25-25/Task 74 [Completed]

Meeting the New EPA Effluent Limitations Guideline for Construction Site Discharge Turbidity: Effectiveness of Different Turbidity Control Systems and Monitoring Methods
[ NCHRP 25-25 (Research for the AASHTO Standing Committee on the Environment) ]

  Project Data
Funds: $125,000
Research Agency: ICF International/GeoSyntec
Principal Investigator: Eric Strecker
Effective Date: 6/10/2011
Completion Date: 7/31/2012
Comments: Completed and submitted to AASHTO SCOE

The objective of this study was to evaluate and develop cost-effective methods to both control on-site turbidity levels and to sample discharge turbidity levels in order for State DOT to comply with the EPA turbidity guidelines, when they are released.  The final report from the study is available here.

A presentation highlighting the findings can be accessed
here.

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