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A"11, EPA1540IN-92/004 No. 7 October 1992
<br /> U.S.Environmental
<br /> r T0tCClign l%gcncy
<br /> Office of 501i.1 Waste and
<br /> Emergency Response B10A LiviEDIA1 ,10N
<br /> Office of Research
<br /> and Development IN THE
<br /> FI EL D
<br /> An information update on applying bioremediation to site cleanup.
<br /> Update on the Yh Field Initiative
<br /> Bioremediation Field -` _' Begins Bioventing
<br /> Initiative of PAHs at Reilly
<br /> Tar Site
<br /> The Bioremediation Field Initiative .vas established to
<br /> provide the U.S. Environmental Protection Agency The Bioremediation Field Initiative, in cooperation
<br /> (FPA) and State Project N1,inagcrs, cny;i- Lvith the Superfund Innovative Tuchnolog 1:.v71u
<br /> nPers, Anel industry with tirnek, informatinn regard-
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<br /> 1tic,n 1ttzun..lr.rliuti +r,,t r.tn1 ,rn,l lh, Ri:}_ i Ist, ti �n
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<br /> bioremediation at azardous waste sites. The initia- Engineering L iboi-atury's biusysteiiis Progiain, ha ,
<br /> tive provides evaluation of theperformance of se- undertaken a pilot-scale field project to test bioventing
<br /> lected full-scale field applications (these sites are of polycyclic aromatic hydrocarbons (PAHs) in soil.
<br /> discussed on p. 36); provides technical assistance to Bioventing has proven effective at remediating light-
<br /> Remedial Pro}ect Managers (RP`ls) and On-Scene f .Veight petroleum distillates such as JP-4 jet fuel; this
<br /> Coordinators (OSCs) through the Technical Support ! will be the first test of bioventing's effectiveness for
<br /> nters; and is developing a data base on the field k remediationof larger molecular weight hydrocarbons.
<br /> e
<br /> plications of bioremediation, %vilich is summarized
<br /> Ln this bulletin (see p. 1). The project will take place in St. Louis Park, `linrle-
<br /> Eight sites have been selected for field evaluation of 'I sofa, at the former site of Reilly Tar and Chemical
<br /> bioremediation: Libby Superfund site, Libby, `•lon- Corporation's coal tar distillation and wood preserv-
<br /> tang; Park Citv Pipeline, Park City, Kansas; Allied ing plant. From 1917 to 1972, wastewater discharges
<br /> Signal Superfund site, St. Joseph, Michigan; Eielson and dumping from this plant contaminated about 50
<br /> Air Force Base, Alaska,- Hill Air Force Base, Utah; acres of soil and the underlying ground water with
<br /> Brookhaven Superfund site, Brookhaven, Missis- wood presen•ing wastes. In 1978, the Minnesota De-
<br /> sip i,Public Service,Denver,Colorado;and Reilly Tar partment of Health discovered significant concentra-
<br /> andChemicalCorporation,St. Louis Park,:viinne'sota tions of PAHs in six municipal drinking water wells
<br /> (see article on this page). neighboring the Reilly Tar plant. St. Louis Park is
<br /> (Continued an page 36) currently pumping and treating the contaminated
<br /> ground-water plume, but without an effort to control
<br /> the source of PAHs, pumping and treating will be
<br /> n This Issue necessary for several hundred years.
<br /> Jpdate on the Bioremediation Field Initiative . . . . . . . . . 1 Treatability studies were conducted at the site in August
<br /> Meld Initiative Begins Bioventing 1992. These studies revealed PAI I contamination in
<br /> if PAHs at Reilly Tar site . . . . . . . . . . . . . . . . . . . . . . 1 sandy vadose soil ranging from 2 to 10 feet below the
<br /> Wdressing land Disposal Restrictions in Biotreatment . • • z surface. The studies also indicated that the soil's aii
<br /> kir Force I.aunrhen niovrnting Iniiiative . . . . . . . . . . .
<br /> permeability
<br /> iioremediation Ciclri Initiative l[ut�ls and 1tlicrubial activity are apprcil7ri:tlr• for I
<br /> ]pen House at Eielson AFB . . . 3 bioventing. Lnstallation of bioventing wells and baseline
<br /> permitting Bioremediation for PCB Disposal: soil sampling are scheduled for November 1992.
<br /> 'art 2,Commercial operating Permits . . . . . . . . . . . . . . A The demonstration project is expected to last 3 vears,
<br /> :PA Issues Report on Bioremediation at which point it is estimated that soil core samples will
<br /> Study Collection . . . . . . . . . . . . . . . . . . . • • • • • 5 show a 30 percent reduction in PAH levels. Lf biovent-
<br /> Mpnology Innovation office Releases
<br /> ing successfully re
<br /> ;roundwater Currents . . . . . . . . . . . . . . . . . . . .
<br /> s mediates PAHs at this rate, com-
<br /> :PA Bioremediation Publications . . . . . . . . . . . plete remediation of the site will take 10 to �5 years.
<br /> -onference Highlights . . . . . . . . . . . . . . . . . . . . . . 7 For more information, contact Paul McCauley at 513-
<br /> -ield Applications of Bioremediation . . . . . . . . . . . . . . 9 569-7444 or Dick Brenner at 513-569-7657.
<br /> Printed on Recycled Paper
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