WRRCSR No.1:10:83 Decontamination of Chromium Contaminated Soil and Water: Pearl Harbor Naval Shipyard, Pearl Harbor, Hawaii, Phase 2

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dc.contributor.author Dugan, Gordon L.
dc.contributor.author Gee, Henry K.
dc.contributor.author Lau, L. Stephen
dc.date.accessioned 2008-12-02T02:36:02Z
dc.date.available 2008-12-02T02:36:02Z
dc.date.issued 1983-01
dc.description.abstract Phase 2 of this project represents the analytical monitoring of an estimated 64,800 ft^3 (1,835 m^3) of chromium-contaminated soil, classified as a hazardous waste (>5 mg/l chromium extract concentration as measured by the standard EP toxicity test), that was treated at the Pearl Harbor Naval Shipyard during a two-month period in late 1982. Although the treatment process details (wash-water-detention times, number of wash-water-flow through times, and type and amount of chemicals) were the contractor's proprietary information, the analytical monitoring treatment process essentially followed the general treatment methods developed in Phase 1 (laboratory and pilot plant studies). The treatment performed by Advanced Environmental Consultants, Inc., of Pittsburgh, Pennsylvania consisted of utilizing 2 yd^3 (1.53 m^3) modified dumpsters as the soil receptacles, using upflow/ downflow washing to leach the chromium from the soil, adding a reducing agent to chemically reduce chromium Cr+6 to Cr+3, raising the pH to approximately 8.5 to precipitate the chromium from solution and to dewater the chromium laden sludge. Each processed soil batch (nearly all 2 yd^3 dumpster units) were monitored for chromium extract. Only 35 of approximatley 1200 dumpster loads were above the 5-mg/l limit, and these were reprocessed.
dc.description.sponsorship U.S. Dept. of the Navy, Pac. Div. Naval Facilities Engrg. Command Pearl Harbor, Hawaii 96860 Grant/Contract No. N62742-82-C-0001
dc.format.extent iv + 37 pages
dc.identifier.citation Dugan GL, gee HK, Lau LS. 1983. Decontamination of chromium contaminated soil and water: Pearl Harbor Naval Shipyard, Pearl Harbor, Hawaii, phase 2. Honolulu (HI): Water Resources Research Center, University of Hawaii. WRRC special report, 1:10:83.
dc.identifier.uri http://hdl.handle.net/10125/4179
dc.language.iso en-US
dc.publisher Water Resources Research Center, University of Hawaii
dc.relation.ispartofseries WRRC Special Reports
dc.relation.ispartofseries 1:10:83
dc.subject chromium
dc.subject soil contamination effects
dc.subject soil treatment
dc.subject Hawaii
dc.subject Pearl Harbor Naval Shipyard
dc.subject Oahu
dc.subject.lcsh Chromium -- Environmental aspects.
dc.subject.lcsh Pearl Harbor (Hawaii)
dc.subject.lcsh Soil pollution -- Hawaii -- Oahu.
dc.subject.lcsh Soils -- Leaching.
dc.title WRRCSR No.1:10:83 Decontamination of Chromium Contaminated Soil and Water: Pearl Harbor Naval Shipyard, Pearl Harbor, Hawaii, Phase 2
dc.type Report
dc.type.dcmi Text
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