[nterna! Lette€- 01% Rockwell Internationa l

7 March 1991 91EU-0827D ,. ,., FROM I-- Gaga mrnl r, ^a ar•r s, °vo, ..11 f, -

A . D . NelsonRocketdyne-PlummerD/543 , 055-JA16392-532 9

Groundwater Remediation Facilities Monitoring Plan

This plan summarizes the operation and monitoring of the SSFLgroundwater extraction/treatment systems . A copy of this planwill be kept at the hazardous waste yard office and at the offic eof the Environmental Field Operations Manager . Section numbersrefer to sections in the treatment system folder for each unit .

INTRODUCTION :

The purpose of the groundwater reclamation program is twofold : 1)to maintain groundwater gradients to prevent off-site movement ofcontaminated groundwater , and 2 ) to extract and treat degradedgroundwater from targeted areas for removal of volatile organiccontaminants . The location of the extraction/treatment systemsare shown on the map ( Figure 1 - Treatment System Location Map)in Section 3 and are designated as follows :

1) Area I Road AST2) Alfa AST3) Bravo AST4) Canyon AST5) Delta AST6) STL-IV AST and Collection Tank7) RD-9 Area ( UV/H202 Batch Unit)8) WS-5 UV/H202'Unit9) ECL Collection Tank

Treatment facilities are currently in place at all areas exceptthe ECL extraction area . Treatment systems are air strippingtowers (AST) with vapor phase carbon treatment or ultravioletlight/hydrogen peroxide treatment systems (UV/H202) .

DESCRIPTION OF TREATMENT SYSTEMS :

A description of each treatment system, associated extractionwells and area , design contamination level, treatment rates, andeffluent points are shown on the Groundwater Treatment Systemtable ( See Section 5) . A schematic diagram of each well andassociated lithogic log is also provided in Section 5) . Section4 contains a diagrammatically illustration of each treatmentsystem and associated design specifications .

PERMITS : ( Compliance )

A Permit To Operate the AST's has been obtained from the Countyof Ventura Air Pollution Control District (VCAPCD) .A copy of the permit ( No . 1344 ) is located in Section 3 of thisfolder, and is posted at each AST .

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On 25 May 1990 , Part B Applications for the GroundwaterRemediation Facilities (EPA ID#' s CA1800090010 and CAD093365435)located in Area II (NASA ) and Areas I & III (Rocketdyne)respectively , were submitted to the California Department ofHealth Services ( DoHS ) . On 15 November 1990, an Amended Part Awere submitted to the DoHS . The Part A Applications were grantedapproval of the requested interim status on 25 February 1991 .

MONITORING :

1) Air Flow Rate ( Compliance) :

Subject to VCAPCD Permit, item 3 , a mechanical exhaust damper islocated in the exhaust of each AST primary tower , at the entranceto the blower . The setting of the damper shall be set duringeach inspection . Damper setting is determined by the markedmanometer reading at each AST which has been determined by themanufacturers recommended procedure ( see Section 4) . Theadjusted manometer reading shall be indicated on the SSFL AirStripping Tower Daily Inspection Log (Log) ( see Log located inSection 3) .

2) Independent Water Samples ( Compliance) :

Subject to VCAPCD Permit , item 5 , an independent certifiedlaboratory analyzes monthly samples taken of the AST influent,primary tower effluent , and the secondary tower effluent fromeach air stripping tower ( see table below for sample ports) .Currently , these samples are taken by Groundwater ResourcesConsultants ( GRC) and taken to a certified lab for analysis .Results are published in the Monthly Groundwater MonitoringReport . Results shall be maintained at the office of theEnvironmental Field Operations Manager for a period of two yearsand be made available to VCAPCD personnel on request .

SAMPLING SCHEDULE

AST SAMPLE PORT SAMPLING SCHEDULEALFA ATl-I, AT1-E , AT2-E MONTHLYAREA I RD AIRI-I, AIR1-E, AIR2 -E MONTHLYBRAVO BT13-I , BTl-E, BT3-E , BT2-E, BT4-E MONTHLYCANYON CT1-I, CT1-E , CT2-E MONTHLYDELTA DT1-I, DT1-E , DT2-E MONTHLYSTL-IV STL1-I , STL1 -E, STL2-E INACTIVE

3) AST Air Stack Monitoring ( Compliance) :

Subject to VCAPCD Permit, item 6, tests shall be conducted onceper week of operation for ROC at the exhaust of each carbonadsorption system and at the exhaust of each secondary tower .Tests shall be conducted by the approved analyzer ( FoxboroCentury OVA128 Portable Organic Vapor Analyzer ) . Operation of theOVA shall be per manufactures Instruction Booklet 611 - 132 datedDecember 1985 .

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Page 3

sample collection and analysis shall be as follows :

a) All air measurement shall be made by using a Kevlarsample bag . For each analysis , the bag shall be filledwith the subject air, then expressed , and refilled .

b) Calibrate OVA using 95 ppm ROC as methane calibrationgas . Set zero point using 0 ppm calibration gas . Makea background reading of air , noting the reading at thetop of the Log . Zero-out the background reading bysetting the instrument indicator to "0" .

c) Collect sample of air from the carbon canister effluentmanifold . For the secondary tower, use a MilliporeVacuum Pump connected to the air sampling portconnected,to a PVC pipe running to the top of thetower . The pump shall be run for a minimum of 5minutes before a sample is taken .

d) Analyze samples of air collected in the Kevlar bags andwrite results on the Log .

4) AST Water Samples (Rockwell Noteworthy Practice) :

A Rockwell technician shall collect a system influent VOC watersample at the beginning of each month ( see table of sample portsbelow ) . A Rockwell technician shall take system effluent watersamples for VOC' s on a weekly basis of operating AST's ( see tablebelow ) . Analytical results shall be kept in Sections 1 forsystem influent and Section 2 for system effluent .

SAMPLING SCHEDULE

AST SAMPLE PORT SAMPLING SCHEDULEALFA AT1-I MONTHLYALFA AT2-E WEEKLYAREA I RD AIR1-I MONTHLYAREA I RD AIR2-E WEEKLYBRAVO BT13-I MONTHLYBRAVO BT2-E,BT4-E WEEKLYCANYON CT1-I MONTHLYCANYON CT2-E WEEKLYDELTA DT1-I MONTHLYDELTA DT2-E WEEKLYSTL-IV STL1-I INACTIVESTL-IV STL2-E INACTIVEWS-5/UV W5-I MONTHLYWS-5/UV W5-E WEEKLY

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5) UV/H202 Water Samples (Rockwell Noteworthy Practice) :

Well WS- 5A Rockwell technician shall take VOC water samples of systeminfluent ( monthly ) at port W5 -I, and a system effluent ( weekly)from port W5-E as indicated in the table above .

UV/BATCH ( When Operational )A Rockwell technician shall take (timing of samples to bedetermined by the Field Operations Manager ) water samples of thesystem influent at tank ports T-1, and T-2 upon transfer of waterto the holding tanks . After treatment, samples of the treatedwater shall be taken from tank ports T-3 and T-4 . Sampleanalytical results for each batch will be filed in the UV/Batchunit folder .

6) Sampling and Testing Methodology :

Samples, including trip blanks shall be collected , labeled, andtransported per Groundwater Sampling and Analysis Plan, 8640M-113, dated February 26 1991 . Laboratory analyzing the samplesshall adhere to EPA method procedures including appropriate-;aality control and quality assessment protocol . Analyticalrequirements for precision , accuracy , holding times and detectionlimits shall be followed according to method protocol as dictatedby State of California certification and specified in theLaboratory QA manual .

7) Results :

Results of all sampling analysis shall be filed in the folderlabeled for each treatment system . Copies of the analysis shallbe kept at the SSFL Hazardous Waste Yard office .

8) Log ( Compliance) :

Daily inspection logs of the treatment systems must be completedevery normal working day . Copies of the logs shall be maintainedfor a period of two years and be made available to agencypersonnel on request . Copies of the logs shall be-maintained atthe Hazardous Waste Yard office , and at the office of theEnvironmental Field Operations Manager .

Air Stripping Towers LogThe SSFL Air Stripping Tower Daily Inspection Log (see copylocated in Section 3) shall be completed by a Rockwell technicianevery normal working day . Items that must be filled out on adaily basis include :

Water : Meter ( Flow Rate , totalizer)SHMP : All (if used )AIR : Manometer

EQUIP : Al l

OBSERVATIONS : As requiredREPAIRS : As required

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All other item shall be completed on a weekly basis, except VOASample Taken, which is completed as required .

UV/H202 Systems LogThe SSFL UV/H202 Treatment Systems Daily Inspection Log (see copylocated in Section 3) shall be completed by a Rockwell technicianevery normal working day . All items must be completed, ifapplicable, every day .

OPERATION AND MAINTENANC E

Operation and maintenance of the AST's will be conducted usingthe OPERATION AND MAINTENANCE MANUAL FOR GROUNDWATER TREATMENT

SYSTEM, as assembled by Emcon Associates, dated July 1987, andupdated on January 1989 .

Operation and maintenance of the UV/H202 treatment systems willbe conducted using the perox-pure operating and MaintenanceManual , dated 2/22/90 for the Batch Unit in Area II, and theperox-pure Systems operation and maintenance Manual, dated10/12/90 for the unit at Well WS-5, Area I .

All maintenance activities will be recorded on the DailyInspection Log for the appropriate unit ( see Log above) .

A . D . Nelson, ManagerEnvironmental Field Operations

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SSFL AIR STRIPPING TOWER DAILY INSPECTION LOG

Date: By: ROC Background (ppm) :

ALFA TOWER : (Area 1 )WATER: WS-6 Meter (gpm) Total (gal) Sounding (ft)

AT1-inf : Pressure Gauge (psi) MagnehelicAT2-Inf : Pressure Gauge (psi) Magnehelic

Cond. pH Temp (F) Res. CI 2AT1-Inf :AT2-Eff:

SHMP: On / OffAIR: Manometer

Tank (gal) Pump Speed[Weekly> ROC (ppm) : Drum Sys. Eff .

VOA Sample TakenYes / NoYes / No

Pump Stroke Scale Ta b2-Twr . Eff .Heater CI2 Sys .

Shower/Eye WashEQUIP (Check) : Towers Leaks Pumps Berm Blowers_

Electrical [Weekly> Spill Cabinet Spill Alarm Emerg .Phon e

OBSERVATIONS :

REPAIRS :

BRAVO TOWER : (Area II )WATER: WS-9 Meter (gpm)

RD-4 Meter (gpm)Total (gal)Total (gal )

BT1-Inf : Pressure Gauge (psi)BT2-lnf : Pressure Gauge (psi)BT3-Inf : Pressure Gauge (psi)BT4-Inf : Pressure Gauge (psi)

Cond . pH

Magnehelic_MagnehelicMagnehelic_Magnehelic

Temp (F)BT1 & 3-Inf:BT2 & 4-Eff :

SHMP : On / Off Tank (gal) Pump SpeedAIR: Manometer: BT1 BT3

Sounding (It)Sounding (ft )

Res. C12 VOA Sample TakenYes NoYes / No

Pump Stroke Scale Ta b

[Weekly> ROC (ppm) : Drum Sys . Elf. 2-Twr 2 Eff.EQUIP (Check) : Towers Leaks Pumps Berm_

Electrical [Weekly> Spill Cabinet Spill Alar m

OBSERVATIONS :

REPAIRS:

2-Twr 4 Eff.Blowers Heater Cl? Sys.

E rnerg.Phone Shower/Eye Wash

CANYON TOWER : (Area I )WATER : RD-1 Meter (gpm) Total (gal) Sounding (ft )

CT1-Inf : Pressure Gauge ( ps i) MagnehelicCT2-Inf : Pressure Gauge (psi) Magnehelic

Cond . pH Temp (F) Res. CI 2CT 1-Inf :CT2-Eff: _

SHMP : On / Off Tank (gal) Pump Speed

VOA Sample TakenYes / NoYes / No

Pump Stroke Scale Ta b

AIR: Manometer [Weekly> ROC (ppm) : Drum Sys.Eff. 2-Twr. Eff.

EQUIP (Check): Towers Leaks Pumps Berm Blowers HeaterElectrical [Weekly> Spill Cabinet Spill Alarm Emerg .Phone Shower/Eye Wash

OBSERVATIONS :

REPAIRS :

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SSFL AIR STRIPPING TOWER DAILY INSPECTION LOG - PAGE 2 DATE :

DELTA TOWER : (Area II )WATER: WS-9A Meter (gpm) Total (gal) Sounding (ft)

HAR-7 Meter (gpm) Total (gal) Sounding (ft )DTI-Inf : Pressure Gauge (psi) MagnehelicDT2-Inf : Pressure Gauge (psi) Magnehelic

Cond. PH Temp (F)

pH

DT1-lnf: Yes / NoDT2-Eff: Yes / No

SHMP : On / Off Tank (gal) Pump Speed Pump Stroke Scale TabAIR: Manometer [Weekly> ROC (ppm) : Drum Sys . Eff. 2-Twr. Eff.

EQUIP (Check) : Towers Leaks Pumps Berm Blowers Heater C12 Sys.Electrical [Weekly> Spill Cabinet Spill Alarm Emerg .Phone Shower/Eye Was h

OBSERVATIONS :

REPAIRS :

AREA I ROAD TOWER : (Area I) Meter at Tower (gal )WATER: RD-2 Meter (gpm) Total (gal) Sounding (ft )

Meter Reading Only (gal) : ES-1 ES-3 ES-4 ES-5 ES-6ES-7 ES-11 ES-13 HAR-4 HAR-1 6

AIRT1-Inf : Pressure Gauge (psi) Magneheli cAIRT2-Inf : Pressure Gauge (psi) Magneheli c

Cond . PH Temp (F) Res. C12 VOA Sample Take nAIRT1-Inf : Yes / NoAIRT2-Eff: Yes / No

SHMP: On / Off Tank (gal) Pump Speed

Res. C12

Pump Stroke Scale Tab

VOA Sample Take n

AIR: Manometer [Weekly> ROC (ppm ) : Drum Sys. Eff.EQUIP (Check) : Towers Leaks Pumps Berm

Electrical [Weekly> Spill Cabinet Spill Alarm _

OBSERVATIONS :

REPAIRS :

STL-IV TOWER : (Area 111)WATER: Tower (gal )

ES-14 ES-17ES-27 ES-30

STL1-Inf : Pressure Gauge (psi)STL2- Inf : Pressure Gauge (psi )

Cond .STL1-l nf:

STL2-Eff :SHMP: On / If

2-Twr. Eff .Heater- Shower/Eye Was h

BlowersEmerg .Phone

ES-23 ES-24 ES-26ES-32 HAR-17 HAR-18

Magneheli cMagneheli c

Temp (F) Res. C12 VOA Sample TakenYes / NoYes / No

Tank (gal) Pump Speed Pump Stroke Scale Ta bAIR: Manometer [Weekly> ROC (ppm) : Drum Sys. Elf. 2-Twr . Eff.EQUIP (Check) : Towers Leaks Pumps Berm Blowers Heater

Electrical [Weekly> Spill Cabinet Spill Alarm Emerg .Phone Shower/Eye Was h

OBSERVATIONS :

REPAIRS:

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SSFL UV/H202 TREATMENT SYSTEMS DAILY INSPECTION LOG

DATE: BY:

WS-5 TREATMENT UNIT: (Area I) Total Operating Hours :

WS-5 Meter (gal) : UV Unit Meter (gal) :

Equipment Inspection : (Daily)Tanks free of leaks or cracks : Yes / NoTanks anchors secure: Yes / NoTanks integrity sound: Yes / NoAll pipes free of leaks : Yes / NoAll valves operational : Yes / NoElectrical level controls on tanks functional : Yes / NoContainment berm secure : Yes / NoTreatment unit free of leaks : Yes / NoTreatment alarms functional: Yes / No

Equipment Inspection :- (Weekly )Safety shower/eye wash functional : Yes / NoSpill cabinet secure and properly stocked : Yes / NoSpill alarm functional : Yes / NoEmergency phone functional: Yes / No

Observations :

Repairs :

RD-9 BATCH TREATMENT UNIT: (Area II) Total Operating Hours :

Contaminated Water Tanks : Treated Water Tanks :T-1 Water Level (gal) : T-3 Water Level (gal) :T-2 Water Level (gal) : T-4 Water Level (gal) :-

Received This Date : Yes / No Discharged This Date : Yes / No

Equipment Inspection : (Daily )Tanks free of leaks or cracks: Yes / No

Tanks anchors secure : Yes / No

Tanks integrity sound: Yes / NoAll pipes free of leaks: Yes / NoAll valves operational: Yes / NoElectrical level controls on tanks functional : Yes / NoContainment berm secure: Yes / No

Treatment unit free of leaks: Yes / No

Treatment alarms functional: Yes / No

Equipment Inspection : (Weekly )Safety shower/eye wash functional: Yes / NoSpill cabinet secure and properly stocked : Yes / NoSpill alarm functional : Yes / No

Emergency phone functional: Yes / No

Observations :

Repairs :

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J

GROUNDWATER TREATMENT SYSTEMS - ROCKETDYNE SSF LTREATMENT SITE/ EXTRACTION WELLS CONTAMINATION DESIGN NORMAL ALTERNATESSFL AREA (TYPE) DESIGN LEVEL PUMPING RATE EFFLUENT EFFLUENT

TCE - (ppb) m TO : TO:

ROCKETDYNE (AREAS I & II IAlfa/ I (AST) WS-6 400 175 Fresh Ponds - Silvernale

Canyon/ I (AST) RD- 1 1,100 35 Fresh Ponds - R 1Area I Road/ I (AST) ES- 1, 3, 4, 5, 6 , 7, 11, 1 3

RD-2 HAR-165, 000 35 Reclaim Reclai m

STL-IV/ III (AST) ES-14, 17, 23, 24, 26 , 27, 30, 32HAR-17, 19

900 35 Reclaim Reclai m

WS-5 UV H2 :02 WS-5 250 300 FRESH FRES H

DELTA/ II (AST) WS-9A HAR-7 2,000 1 75 Fresh Ponds - R 2BRAVO/ II (AST) WS-9 RD-4 5,000 75 Fresh Ponds - SilvernaleUV/H202/ II (UV) RD-9 ES-18 ,19,20,21, 22

BATCH : ECL/STL-IV Holding Tanks20,000 120 Fresh Fres h

(AST) : Air Stripping Towe r(UV) : Ultraviolet Ligh t/Hydrogen Peroxide UnitRD : Rocketdyne Deep Wel lWS: Water Supply Wel lES : Extraction Shallow Wel lHAR : Hydrological Assessment Report Well(HAR] : Wells to be connected during FY-1990

NASA (AREA II

Fresh : Fresh Water Distribution System Pipes (White Pipes)Reclaim : Reclaim Water Distribution System Pipes (Gray Pipes)Ponds : Reclaim pond via storm channels - Pond NameALTERNATE EFFLUENT : When distribution system tanks are full .

Simi Valley (2 miles N) Box Canyon (I mile NE)

o__-_------_ a.ro I Se~nct_ __-_- qi RD- 9

UV/H=Os TR ATMEN T

-'~ WS-5AL FA TREATMEN'i

r UV/H.D6 TREATMENT!' CANYON TREATMENT

SCAL E

0

Cho/s worth

(2m,/es £)

1200

FEE T

2400

ROCKWELL INTERNATIONAL CORPORATION

ROCKETOYNE DIVISIONSANTA SUSANA FIELD LABORATOR Y

NOTE GROUNDWATER EXTRACTED FROM ECL

WILL BE CONVEYED TO THE RD-9 AREA

UV/HzO . TREATMENT SYSTEM

Bell Canyon(05mi/e S)

AREA I ROAD TREATMENT

TREATMENT SYSTEMLOCATION MAP

GROUNDWATER RESOURCES CONSULTANTS, IN C

CONSULTANTS IN HYDROGEOLOGY

TUCSON . ARIZONA H640M- FIGURE