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Gp design is being investigated on the Lakeside Reclamation from Contaminated 31tcs," Pape- 93-WA-39 e1, pro.,,
<br /> Landfill, 8e:avcrtoo,Oregon In April, 1990, 7455 poplar trees Cec<fIngr of rhe 85th Armi.cf Meeting and t;:heb,rrpn,Air
<br /> (Po¢ulau spp )were planted on a 0 6 acre prototype plot coy- and Waste Managr-seat Assaccacion, Pittsburgh, PA,
<br /> cring a recently finished cd] of the landfill. The trees grew 1993.
<br /> well with t>a average heights being 207 m in 1990, 3 86 m in 5 Anderson, T. A., and B T. Walton, "Fate of Tnchlo-
<br /> 1591.and 6 17 m cu 1992- During the second growing season rocthyiene in Sod-Planr Systems," Amencan Chemical
<br /> the trees -*ere able to trans ire water from the soil covers at Society Extended Abstract, Division of Ezvtronmeatai
<br /> rates greater then precipitation Luht (19] points out that the Chemistry, pp 197-200, August 25-30, 1991
<br /> tree covered cap is porous, and that the landfill r=cts more 6 Aprill, W„ and R C. Sims, "Evulvabon of the Usc of
<br /> Vice a bioreactor. More rapid stabllization of the buncd ma- Prairie Grasses for Sumulaung Polycyc6e Aromatic Hy-
<br /> 1 (trial is expected dromrbon Treatment in Sod,"CAemosphere zo.233265,
<br /> 1494.
<br /> 7 Batiks,M.K.,and A.P.Se h-Ab,"?YU=biW Dcgradatson
<br /> Mathetsiatrcal Modeling of Hazardous Organic in the Rhizosphere. A Revitw,'
<br /> ` Paper 93 WA-89.05.Procrrg:6ngs of the e&h Annrref Meet-
<br /> Mathemaucal models to describe water movement and con- ung and Exhibition. Air and Wash Matiagcincnc Associ-
<br /> tamtnant face in the rhaosphere of growing plants have Ecce mon, Pittsburgh. PA. 1993
<br /> reported by Davis et if (i1].Tr=y eral.(33,341 have pre=cod 8, Banks, M.K.,sad A. P Srhwah, "&oiogicaldy Medtatcd
<br /> simulation results for two dsiTcreat cases;the beneficialeffccu Dusipatioo of P*aromaiic Hydrocaxboni iii the Root
<br /> of vegctauoa in the nusnagement of landrM leachatts con- Zone." In Mra-obral Degradarran of Orgarrc 0remicals
<br /> s taining law levels of an organic compourd are presented in in Che Rhizospl*Pres Irnplk0160115 for Bforemedfatton, T.
<br /> I the ezrlicr study (341. Ratc limning factors arc tizvcUigat_-d A. Anderson and J R Coag, Editors, ACS Symposium
<br /> using saisrtrnry aaalysat in the most recent work The model Scric:6 In Press. 1994
<br /> k is apphcab)c to both u=turat-ed and saturated sad Balances 9 Bedell,G.W ,"Higher Plant Sior=wcI3aaon," The Wortd
<br /> are tnCluded for water in the soil, water in the roots, the and t, pp 260-267, Deccm.ba, 1992.
<br /> contaminant, root exuda(es, m1croblat biomass, and oxygen 16 Davis.L C., C.Chaffin.N Maralidhama., V.P.Vhscr,
<br /> The kinetic model includes rnicrobtal growth an root exudates W. G. Fatetey, L E. Encksaa send IR M. Hammsker,
<br /> as well as the contaminant- "!.torutoring the Senefataal Effects of Plaits tri &ore-
<br /> medt&600 of Volatsk 4rgaau Cornpouncl.3,"Protredings
<br /> I of the Conference on Hatardoru Wase.-Research,Kansas
<br /> l State Universary, Ma.nhrrtza, KS, 236-249, 1993.
<br /> CONCLUDING REMARKS
<br /> ' 1 I Davis. L C., L dw Erlcksott,IL Lege,3 F Shizzip acid 1.
<br /> 1 C. Tracy, "Modcl=S the Effects of Plaziu oa the Bio.
<br /> Degrade:oa of contaminants may occur to visits as well as remediation of Qmcammatcd Soil and Ground Water,"
<br /> 1a mieroorpnismi The rhizosphere Is rich tit microbial num- Enirlr orrrrrerrral Pragresa, 12, e57-7S, 1943.
<br /> bets znd rrucrobial di2rsiry Corstamrnaaiu may be degraded 12 Davis, L.G, N,Mpralcdhi=a. V P Visit., C.Chaffin,
<br /> more raped:, -tsesa plants are present because of toot exudates W G. FaIeJc,, L, E. Erkicsae nad R. M EL-u Tasker,
<br /> suypiled b-, 'e plants, oont=wnaats may also be taken up "Alfalfa Plants and Auoc=ed Nfiaoergamsss Promote
<br /> r = into the pkmu and transfarmcd. Retract resultz ex* very Cit- Riodngadsition Radler than Yolau7=tiori of OrS=c
<br /> r cauraging Addai seas! resrmtdi i3 eroded to store Ytiily un substances from Grocrtdwata," In Microbial Degrada-
<br /> i dersrand the t)=CFias1 an(ee71CLO s which OC= iron of Organic Chcmkalr Ln Che RhlzaspAcr 1mg1xa-
<br /> tronsforReamma*adon,T A.And4rsonand 7 R Coats,
<br /> Editors, ACS Sympou=Sides, In Pass, 1994.
<br /> r ACKNOWLEDGMENT t3 Facial Program—ACS Mattco-il Meeting i,- Chicsgo,
<br /> Chearriicaland Engenecrurg He".71,No.29,51-122,July
<br /> This ccs+arch was partial ly supported by the U5.EPA umder 19, 1993.
<br /> aswcance agrecrntnts R-815749 sad R419M to the Gr=t Id Helthalt. 3. 1., R. FL Hofsoa acid T. J. Tworicosici.
<br /> Plains-Rocky MounWa Hazardous Substance Research C= "Tomdty and Uptake of oMtroguanidme in Plants,"Bud.
<br /> ter for rcgzons 7 acid 3 It has riot bei subinxnccd m the EPA 4E'nuron. t4PUcm. and Tmlc'ol..44, 751758, 194(}.
<br /> foc peer rcrtcw sad tberef6m =y not ncerss� reflaa the 15 IGir=3le7,M T,F B.Maim&Jr.,1.K.Frrdria-uni shod
<br /> Yicws al the agency and as official atdorsrmtnt should be R. J. Se:dier, In 54V Stimulation vs. 13:oau9asentataoa;
<br /> inferred. The U.S. ul Placer Itroccsiataou FA13-3 ee &ode vai�aLon of Or.
<br /> Dcgartuxat of Energy, Office of Rate• Can
<br /> Compounds,'" Paper 93-WA-89.04,Proceedury�s of I
<br /> t ration and Waste ucrfoc Ha=.Oboe of tanceRTb;finolagy Dere!- the z&jr Arent&itdeeti:q dAd Eirkihrtton, Aa and Waste
<br /> i opm,e.;ti and the Ciri,tex for Harardaus 5ubstxwex Rewards also
<br /> provided psrtiai support managexncw Assoaanoo, Pittsburgh, PA, 1993
<br /> 16 Ler.,1«said M.X. B=Lk:6"Bioreawdiation of P ctrolcum
<br /> Contaavnatcd Sol Usmg'Yegtiation^A Mlczohlal Study,"
<br /> F,7tdivn. ScL and Eng J Qf Enrb-on &-4 aced Health,
<br /> L= TURF CITED 28, 2197--2198, 1993
<br /> 17 Lec, I., sad .I, S. Fklc er. "Mctabob= of Potyddon-
<br /> natd Bepheriols(PCBs) br FUnt Tissue Cu tures," Pro-
<br /> t Air and Waste Manageux me Association's 36th Annual ceedinp of the III International Congress on Pfaru 7-ensue
<br /> Mectiag sad EzbfDit�an,Atrana`Tirane,43,593-704, 1993 and Coll L-u&tcre, pp 1156-W. 1940
<br /> 2 M-Asci, A. t4..., Uptake of Po0wixfear Aromati-c Hydra 18. Lkbt,L,A.,Poplar-Tree Buffer Strips Grown in Rapansn
<br /> carbons by A#Wa and Ftscuc,M.S.Thews.Kansas State Zones for so m=Producucla and Nazi-Point Santee Poi-
<br /> UWver%ity, Manhattan, ICS, 1993 le.Gan Control, Pei D Duscrtaaoa, Uru=Nty of Iowa,
<br /> 3 Anderson, T. A ,Cornpa,rsuvc Plant Uptake acid?nitro- Iowa Cfry, IA, 1990.
<br /> bias DcgradAuon of Tnc%.kKoc-_hylrne in the Rhizosphere 19 Licht, L-A , "Ecoiarrex Cap—Dcatdy Rooted T7>xs for
<br /> oC Five Plant Speues, ORNL/TM-12(}17,salt Ridge Na- Watcr lvfsn=&=:acru on Landfill Coves," ?s>,pes 93-WA-
<br /> tsonai Labocatory, Oast 144,, Ti's, 1492 89 07, Proceedings of r#,F 86th A,maof Wit-Lng and Ex-
<br /> 4 Anderson, T. A , E. L, 7 ruM and 1. R, Coats, "Ba- hrbluon, Air and Waste Mariagcment As.socarion, Pitts-
<br /> haaccd Microbial Ona dation Ln the Rhiccspbere of Plants burgh, PA. 1993
<br /> 290 Novemt�or. 1904 Environmesrn1W Progress (Vol. 18, Nes.4)
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