Emergency Response to releases of Oil and Haz Mat into the - PowerPoint PPT Presentation

• Emergency Response to releases of Oil and Haz Mat into the Environment and Haz Mat into the Environment • Eg. Exxon Valdez and BP Deepw ater Horizon Spill in the Gulf of Mexico Horizon Spill in the Gulf of Mexico • National (all 10 EPA Regions) and International Response • Assist Regions w ith Hazardous Waste Site/Superfund Cleanups

Phyto-Remediation (1990’s): Phyto Remediation (1990 s): The use of Trees and Plants to Mitigate Releases of Chemicals from Hazardous Waste Sites

I. Removal of Ground Water/Soil Contaminants VOC and Metals VOC and Metals Ed Sears property Kauffman and Minteer Site O Oregon Poplar Site P l Sit II. Hydraulic Control of Ground w ater y Aberdeen Proving Ground, J-Field Bridgeport Rental and Oil Services Site King of Prussia Site King of Prussia Site III. Reclamation of Mine Spoils/Tailings, Slag III. Reclamation of Mine Spoils/Tailings, Slag Vermont Asbestos Group Sharon Steel R Roebling Steel bli St l

Edw ards Sears Property Site Ed d S P t Sit Jack of all trades operation, Removal Action early 1990’s

Direct Push Well Points Installed 1994

• Contamination (PCE, TCT, BTEX, DCM, Methyl benzene) trapped in sandy clay lense 5 to 18’ BGS 18’ BGS • Shallow w ater table at 9 feet BGS • Hybrid Poplars ( Populas charkow iensis x P.incrassata , NE 308) chosen for pilot study • 125 Planted in 11/95 over 1 acre site

Bare � Root � Hybrid � poplar

Almost � One � Y ear � Later 97% � Survival!!

Monitoring � and � Maintenance g • Annual ground water sampling (August) • Annual � ground � water � sampling � (August) • Transpiration � gas � sampling • Sap � flow � rate � measurements • Tree � growth � rate � and � health � evaluation g • Soil � samples � (agronomic) • Fertilization of the trees • Fertilization � of � the � trees • Mowing � and � pruning • Control � pests � (Deer, � caterpillars)

1996 �� Trichloroethylene � – 390 � ppb

2007 TCE TCE – 36 PPB 36 PPB

Trichloroethylene � vs. � Time �� (Micrograms/ Liter) � 600 500 400 300 200 100 0 5 6 7 8 9 0 1 2 3 4 9 9 9 9 9 0 0 0 0 0 9 9 9 9 9 0 0 0 0 0 1 1 1 1 1 2 2 2 2 2

510 308 Ed S Ed Sears Property, May 2011 P t M 2011 > 55’ tall 30 gal/tree/day

Roebling Steel, Isolated Parcel April 2010 April 2010 Revitalize Former Steel Cable M Manufacturing Plant f t i Pl t Stabilize Soil Cap and Containment

All Native Trees, shrubs, forbs Red Oak White Pine S Sassafras f Amer. Holly Service Berry White Dogwood Tulip Poplar Red Tw ig Dogwood Willow Oak Willow Oak Inkberry holly Inkberry holly Red Cedar Native grass mix Black Willow Rhododendron River Birch Mountain laurel G Green Ash A h Ch i t Christmas fern f Sycamore Winterberry holly Black Gum Viburnum’s

Planting April 2010

Roebling Fall 2010

Kauffman and Minteer, Kauffman and Minteer, Jobstow n, NJ site • Approx. 300 trees planted 1996 pp p • More added three – four years later • Hybrid Poplar and Black Willow (native species)

Treating Bagworm infestation

May 2011 - 30 gal./tree/day 12” diameter

ISCO – 2004 to Date ISCO – 2004 to Date Aggressive Trt. / Deeper Contamination

Damage to Willow s & Poplars Due to ISCO injections

Kauffman & Minteer Site May 2011 Willow s 25’ tall and Poplars >55’ tall

Bridgeport Rental and Oil Services Site February 1979

Native Species Test Plots 2006 2006

Liliodendron Tulipifera

Bridgeport Rental and Oil Services, May 2011 > 12 000 Hybrid Poplars Planted Nov – Dec 2008 > 12,000 Hybrid Poplars Planted Nov – Dec 2008

BROS May 2011