Accession Number : ADA263303


Title :   Benthic Flux Sampling Device. Operations, Methods, and Procedures


Descriptive Note : Final rept.


Corporate Author : NAVAL COMMAND CONTROL AND OCEAN SURVEILLANCE CENTER RDT AND E DIV SAN DIEGO CA


Personal Author(s) : Chadwick, D B ; Stanley, S D


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a263303.pdf


Report Date : Feb 1993


Pagination or Media Count : 37


Abstract : As part of the Navy's clean up program, the Installation Restoration (IR) Program, methods are evaluated to better assess suitable remediation and restoration strategies for sites that contain sediments contaminated with toxic compounds. Toward this goal, we have developed a Benthic Flux Sampling Device (BFSD) to quantify mobility of toxicants from contaminated sediments. The BFSD is a remote instrument for in-situ measurement of toxicant flux rates from sediments. A flux out of or into the sediment is measured by isolating a volume of water above the sediment, drawing off samples from this volume over time, and analyzing these samples for increase or decrease in toxicant concentration. Increasing concentrations indicate that the toxicant is fluxing out of the sediment. Decreasing concentrations indicate that the toxicant is fluxing into the sediment. Initial tests carried out in conjunction with Scripps Institution of Oceanography and the Environmental Protection Agency's Environmental Research Laboratory (Newport, OR) show that the system is capable of measuring a variety of contaminant and nutrient fluxes.


Descriptors :   *CHEMICAL CONTAMINATION , *SEDIMENTS , *TEST EQUIPMENT , *INSTALLATION RESTORATION , *HAZARDOUS WASTES , *WATER POLLUTION , TOXIC HAZARDS , FLUX(RATE) , NUTRIENTS , SAMPLING , ORGANIC COMPOUNDS , CONTAMINANTS , ENVIRONMENTAL PROTECTION , HARBORS , COASTAL REGIONS , MOBILITY , VOLUME , MEASUREMENT , OCEANOGRAPHY , TEST AND EVALUATION , METALS


Subject Categories : Test Facilities, Equipment and Methods
      Water Pollution and Control


Distribution Statement : APPROVED FOR PUBLIC RELEASE