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Vessel Discharges
Technical and Issue Papers
* Files are best viewed in Internet Explorer and Adobe 8.0 or higher.
- Assessing the Relationship Between Propagule Pressure and Invasion Risk in Ballast Water (PDF)
(2.46MB)
The goal of this report is to inform the regulation of ballast water by helping EPA and the USCG better understand the relationship between the concentration of living organisms in ballast water discharges and the probability of nonindigenous organisms successfully establishing populations in U.S. waters.
Date Published:
01/01/2011
- Availability and Efficacy of Ballast Water Treatment Technology: Background and Issue Paper (PDF)
(1.03 MB)
This report assesses the availability and efficacy of ballast water treatment systems in neutralizing (killing or removing) living organisms contained in the ballast water that would otherwise be discharged available and systems that are known to be in the development process. The scope of ballast water treatment technologies considered includes both systems that have been indentified as currently available and systems that are known to be in the development process.
Date Published:
06/01/2010
- Ballast Water Self Monitoring (PDF)
(332KB)
This document contains updated information on both recent developments in ballast water treatment technologies and the monitoring requirements to verify ballast water treatment systems are functioning properly.
Date Published:
11/30/2011
- Density Matters: Review of Approaches to Setting Organism-Based Ballast Water Discharge Standards (PDF)
(1.29 MB)
As one of the major vectors by which invasive species invade the coastal waterbodies and the Great Lakes, ballast water discharges from ocean-going ships are a major environmental threat to the Nation’s waters. This report evaluates the potential approaches to generating national organism-based discharge standards.
Date Published:
08/01/2010
- Environmentally Acceptable Lubricants (PDF)
(213KB)
The purpose of this document is to describe the range of environmentally preferable lubricants that may be used as a best management practice (BMP) by operators of vessels covered under the Vessel General Permit for Discharges Incidental to the Normal Operation of Vessels (VGP).
Date Published:
11/30/2011
- Exhaust Gas Scrubber Washwater Effluent (PDF)
(447KB)
This document contains information about effluent washwater discharges associated with the operation of exhaust gas cleaning systems (EGCSs), also known as sulfur oxide (SOx) scrubbers, onboard vessels.
Date Published:
11/30/2011
- Fish Hold Effluent and Fish Hold Cleaning Wastewater Discharge (PDF)
(2.4MB)
This document addresses fish hold effluent and fish hold cleaning wastewater, two common discharges from commercial fishing vessels. Commercial fishing vessels are vessels that commercially engage in the catching, taking, or harvesting of fish and shellfish or an activity that can reasonably be expected to result in the catching, taking, or harvesting of fish and shellfish. Commercial fishing vessels include any vessels harvesting fish, crab, lobster, shrimp, or other aquatic organisms for commercial sale.
Date Published:
11/30/2011
- Graywater Discharges from Vessels (PDF)
(3.6MB)
This document contains updated information on both vessel graywater discharge characteristics and recent developments in graywater treatment technologies.
Date Published:
11/30/2011
- Oily Bilgewater Separators (PDF)
(8MB)
This document discusses oily bilgewater separators.
Date Published:
11/30/2011
- Summary of the VGP Vessel Universe: Information Submitted by Vessel Owner/Operators for Coverage under the 2008 Vessel General Permit (VGP) (PDF)
(53 pp, 2.4MB)
The purpose of this report is to provide a summary of the characteristics and conditions of vessel discharges based on information submitted in NOIs filed under the 2008 VGP.
Date Published:
03/27/2013
- Underwater Ship Husbandry Discharges (PDF)
(175KB)
This document contains updated information on recent developments in best management practices (BMPs) for reducing pollutant discharges during underwater ship husbandry.
Date Published:
11/30/2011
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