Boeing�CompanySanta Susana Field LaboratorySanta�Susana�Field�Laboratory�
Ventura�County,�California22�January�2011�
Water�Board�MeetinggHandout�Package
Stormwater�Expert�Panel
January 22, 2011
Public Meeting: Update on Outfall 008/009 ISRA
and BMP Activities, Stormwater Expert Panel
Public Meeting
Update of Outfall 008/009 ISRA and BMP Activities
Stormwater Expert Panel
Stormwater Treatment Best Management Practices (BMPs)Boeing Santa Susana Field Laboratory (SSFL)Boeing Santa Susana Field Laboratory (SSFL)
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The Stormwater Expert Panel has identified three
Background BMP Techniques Example BMP: Soil Stockpile AreaBiofilter: The typical SSFL biofilter will be designed with aThe Stormwater Expert Panel has identified three
planned treatment BMPs on Boeing Company propertywithin the NPDES Outfall 009 watershed of the SSFL:•Soil Stockpile Area;
Biofilter: The typical SSFL biofilter will be designed with a4 inch thick layer of topsoil, underlain by a 24 inch thicktreatment media layer, underlain by a gravel collectionsystem The media will consist of a mixture of fine filter•Soil Stockpile Area;
•Area 1 Landfill; and•B1 Culvert Inlet.
system. The media will consist of a mixture of fine filtersand, granular activated carbon (GAC) and zeolite asrecommended by the Stormwater Expert Panel. The
l ll ti t ill i l d f t d l t lgravel collection system will include perforated lateralsthat will be controlled by an outlet structure designed tomeet the required contact time of the treatment media(minimum of 10 to 40 minutes as recommended by theStormwater Expert Panel).
General BMP Selection and Design Guidelines :1. Site and select BMPs to treat runoff where pollutant
4” Topsoil
Native vegetation including pollinating
concentration data and/or source knowledge indicatethat they are needed to protect water quality;
2. Locate grading boundaries outside planned ISRA areas
4 Topsoil
24” MediaGravel Trench
Perforated Underdrain
plants (typ.)
and jurisdictional drainages, to the extent feasible;3. Minimize impacts to existing oak trees;4. Drain ponded areas within 72 hours;
The biofilter will include flowering,pollinating plants that are native tothe region and are attractive to
View North of Stockpile Sump AreaView West of Stockpile Biofilter Area
p ;5. Minimize required maintenance;6. Minimize geotechnical impacts of ponded water
adjacent to road embankments;
the region and are attractive topollinators, with input from WRA(Megan Stromberg) and ThePollinators non profit groupadjacent to road embankments;
7. Consider the condition of existing infrastructure (e.g.,culverts);
8 Size water quality features based on the one year 24
Pollinators non‐profit group.
The stockpile biofilter sites, whereappropriate, will include educational8. Size water quality features based on the one year, 24
hour design event or 90% volume capture target, to theextent feasible; andi i i h k h f ibl i i i
appropriate, will include educationalsignage for the visiting public,including descriptive informationvisible to viewers from the adjacent9. Minimize earthwork to the extent feasible, to minimize
permitting delays.
visible to viewers from the adjacentSage Ranch property.
Outfall-008
Outfall-009
Outfall-012
Outfall-010
Outfall-014
Outfall-013
ELVArea II Landfill
B515 STP
Ash Pile
Area I Landfill
LOX
IEL
LETF/CTL-1
Canyon
B-1
Happy Valley South
American Jewish University / BBC
MCRA/Sage Ranch
BOEING(AREA I )
NASA(AREA I)
UNDEVELOPED LAND(BOEING)
Document: ISRA_Plots_PerfMon_008and009.mxd Date: Dec 17, 2010
1 inch = 700 feet
Base Map LegendAdministrative AreaBoundary
RFI Site Boundary
NPDES Outfall
Drainage
Non JurisdictionalSurface Water Pathway
Surface Water Divide
0 700 1,400Feet
Outfalls 008 and 009BMP and ISRA Monitoring
S A N T A S U S A N A F I E L D L A B O R A T O R Y FIGURE 1
Figure LegendProposed Primary Downgradient PerformanceMonitoring Sample Location
Proposed Upgradient PerformanceMonitoring Sample Location
Proposed Secondary DowngradientPerformance Monitoring Sample Location
Proposed BMP Sample Location
ISRA Excavation Boundary
Post-2010 ISRA Area Boundary
1. Aerial imagery from 2010 Sage Consulting.2. Topographic contours from 2010 Sage Consulting.
Note:
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3201
A1LF Tributary
B1 Culvert Inlet2
IEL Culvert Outlet
Sage Ranch Background 3
Sage Ranch Background 2
Sage Ranch Background 1
CM3/Background/LXSW0001
LOX Dirtroad Sheetflow 3
LOX Dirtroad Sheetflow 2LOX Dirtroad Sheetflow 1
IEL/Parking Lot Tributary
Area II Road Culvert Inlet
B1 Culvert Inlet1/B1SW0010
Soil Stockpile/Sheetflow Runoff
1700
1403
3300
1401
1701
1423
1412
3201
1500
16002600
1400
1405
1200
1800
2300
2700
1411
700
3301
30012601
3002
1402
2100 2200
2000
1421
1300
2102
1000
1407
1001
1422
2300
Recommended Subarea Sampling Locations and Example BMP
Design Drainage Areas, Outfall 009 EastSanta Susana Field Laboratory
Ventura County, CA
Santa Barbara, CA
³
Legend#* Subarea Sampling Locations
!( CM & ISRA Performance Mon. Locs
! NPDES Outfalls
ISRA Excavation Boundary
B1 Culvert Inlet Filter Drainage Area
Stockpile Biofilter Drainage Area
Post-2010 ISRA Excavation Boundary
SWMM Subareas
Culvert Maintenance Footprints
Streams
Outfall Watersheds
Property Boundary
RFI Boundaries
PDX
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Dec. 2010
Notes: 1) Red numbers are SWMM area identifiers.2) Offsite sampling locations are subject to property owner approval.
CURB
SECURITY FENCEWITH GATESPERFORMANCE MONITORING STATION
CURB 4(H):1
(V)
4(H):1
(V)
EXISTING UTILITY POLE
RFI BOUNDARY
SITE PHOTO
OBLIQUE VIEW
SOIL STOCKPILE AREASUMP AREA
DRAFT CONCEPTUAL DESIGN
DHB
DHB
JH
BS
JAN 2011
SB0363Q3ASTORMWATER TREATMENT BMP CONCEPT DESIGNS
BOEING SSFL WATERSHED 009
6" DIA. PVCINFLUENT PIPE(FROM SUMPTO BIOFILTER)
PERFORATED PIPEUNDERDRAIN COLLECTION
SYSTEM
INFLUENT DISTRIBUTION CHANNEL0.5'(W)X1'(D)X450'(L)
8" DIA. HDPE SLOPE DRAIN(EFFLUENT DISCHARGE)
8" DIA. OUTFALL(ONTO EXISTING STABLE ROCK STREAMCHANNEL)
EDUCATIONAL SIGN (TYP)
SITE PHOTO OBLIQUE VIEWSOIL STOCKPILE AREA
BIOFILTERDHB
DHB
JH
BS
JAN 2011
SB0363Q 3B
4" TOPSOIL
24" MEDIA (FINEFILTER SAND,GRANULAR ACTIVATEDCARBON, AND ZEOLITE)
GRAVEL TRENCH
NATIVE VEGETATION INCLUDINGPOLLINATING PLANTS (TYP)
PERFORATEDUNDERDRAIN
STORMWATER TREATMENT BMP CONCEPT DESIGNSBOEING SSFL WATERSHED 009
DRAFT CONCEPTUAL DESIGN
EXISTING 36" DIA. CMP CULVERT
CULVERT MAINTENANCE
36" DIA. HDPE RISER
W/ FILTER MOUND
ISRA BOUNDARY
RFI BOUNDARY
SITE PHOTO
B1 AREA CULVERT INLET
DHB
DHB
JH
BS
JAN 2011
SB0363Q
5
STORMWATER TREATMENT BMP CONCEPT DESIGNS
BOEING SSFL WATERSHED 009
DRAFT CONCEPTUAL DESIGN
OBLIQUE VIEW
EXISTING CULVERT
PERFORATED HDPE
RISER PIPE
TREATMENT MEDIA
(18" THICK)
2" CRUSHED STONE
2" CRUSHED STONE
NONWOVEN GEOTEXTILE
OR J DRAIN MATERIAL
EXISTING CULVERT
INLET
Draft Phytoremediation StudyBoeing Santa Susana Field Laboratory (SSFL)Boeing Santa Susana Field Laboratory (SSFL)
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Phytoremediation: is the use of plants to remediate
Background SSFL Pilot StudyTwo Phytoremediation Treatability Studies:
Mercury Phytoremediation
Mercury Phytoremediation is being pilot tested as aPhytoremediation: is the use of plants to remediateand/or contain contaminants in soil, groundwater,surface water, and sediments. More recently, theterm “phytotechnologies” has been introduced
Two Phytoremediation Treatability Studies:1. Laboratory Study: Edenspace Systems Corporation will
conduct an in‐laboratory phytoremediation study usingmetal impacted soil taken from the SSFL The res lts of
Mercury Phytoremediation is being pilot tested as aremedial alternative at the Area 1 Landfill (A1LF) InterimSource Removal Area (ISRA) at the SSFL in combinationwith stormwater treatmentterm phytotechnologies has been introduced
instead of “phytoremediation” since this remedialapproach covers a number of technologies( h l l d b l ) d
metal‐impacted soil taken from the SSFL. The results ofthe laboratory‐scale study will not only be utilized toassess the potential of phytoremediation at SSFL, but also
with stormwater treatment.
AREA II ROAD(chemical, plant and microbial processes) andapplications.Processes:
will become part of an on‐going global National Institute ofHealth‐funded study of retiring mercury from the globalbiogeochemical cycle through phytostabilization as
AREA II ROAD
•Phytostabilization:•Rhizodegradation
insoluble mercury compounds within the plant tissue(mainly roots).
•Phytodegradation•Phytoaccumulation / Phytoextraction•Phytovolatilization AREA 1•Phytovolatilization•Phytohydraulics / Evapotranspiration
.AREA 1 LANDFILL
Rabbit foot grass(Polypogon monspeliensis)
Annual ryegrass (Lolium multiflorum)
2. Field Study: Parallel to the NIH‐funded study, a fieldbiologist at the SSFL will survey vegetation growing at ornear known metal impacted areas of the SSFL This survey
Area 1 Landfill planting recommendations to come from phytoremediation treatability study.
near known metal‐impacted areas of the SSFL. This surveywill facilitate the potential selection of native plants thatmay be candidates for phytoremediation. Plants at these
ill b h d d l d f h i l
Recent research has focused on the use ofphytostabilization of mercury within plants (i.e., mainly
areas will be harvested and analyzed for their metalscontent. If they show concentrations in plant tissue wellabove soil metal concentrations, these plants could have
within plant roots). Phytostabilization is the use of plantsto immobilize/sequester contaminants in plants, soil,sediments, and groundwater through the absorption and
potential for phytoremediation purposes, and will beconsidered for inclusion in a follow‐on SSFL‐specific studythat will use metal‐impacted soils to compare known
, g g paccumulation into the roots, the adsorption onto theroots, or the precipitation or immobilization within theroot zone Results from the NIH‐funded study should be
Considerations that Control Effectiveness:Topography, depth to groundwater, degree of p p
mercury hyperaccumulating plants with native plants fromSSFL to look at phytoremediation effectiveness for a widerrange of metals.
root zone. Results from the NIH funded study should beavailable by March 2011. If these results are promising, amore site‐specific and comprehensive SSFL pilot study willbe initiated
shading, soil saturation, pH, depth of contamination,rooting depth, electrical conductivity, ability of plantsto uptake contaminant(s), and the ability of plants to range of metals. be initiated.facilitate degrade and/or sequester contaminant(s)are factors that affect phytoremediation potential.
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