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SELTZER, W . Id . 116SHERMAN, J. 11'5 ;SUJATA, M . 141 ;TAGGART , J . T. 141TAVASOLI , K. Al o

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; TJULANDi=R R, lN : ~c`Apl a''aYLOR, C- „_ ..ENABLE, T . C . JIa16

,LETTER, W. 001 =2-

WAGE ER K .C .

WALK.I_R L .U .

WANG V .1WHEELOCK V .J .

' WHITE JR T .

W I ES ENEC K 1 . C .

WILLZAMS J .A .

A341 ; WILLIAMS R .S .FA22 WINTON 8 .A_

AC17 ; ;' ;WOOD D .K .

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DO NOT USE PREViLV_ Rc+IL;

III IIII I III III II III II I

BNA0136924 9

y Z fZc G~G3SIGNATURE APPRO~P L

ENVIRONMENTAL PROTECTIO N

ABRAMSKIACKERMA NPSPW .A .

'J 3BATES , .

BELL J .A .BLEWETT L.BRADLEY J

B rg', rNl

BURNS, B . L .

CADWE_L - .D-C H AP N EY M .J .CLANCY S .M .CLARK T .D .

CLARKE = .E .COFFEY 7 . 4COFFMWN P. E

CLASEN, C .COST4, P .CUNNINGHAM,

DINIUS . L . A .DAREY A .K .

DATA MGMT .

DATA MGMT . (PK )

DAVIS M_R _DIXON M .T .

00DSON H .C .DPRODUTTON

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GIBBS, O . C . TO-P,

GAYLORD, G. I0 38

EDWARDS F_D .EVANE S . A .EZELL W .F .

FOnOR, N .FARGO R .-' .FISCHLER S .FISHER S .C .FLANAGANJ .E .

FLIGIEL R .T .

FONTANELLA C .

FULLER P . NFULTON D .1 .,.

FUdIKAWA, N . S .GABLERM . J .GAONA R .J .

GARCIA E .G .

GIl IBERTO ,GORMAN J_J .

GOUDREAULT A

GRAN ARA J .P .D/ )4 3 ;GRAY J . C .

L E ;GRIFFITHS A ._ .GLUMAC, D .HANNA, B .HALLUEN A ._ .

HPRF.IS C_C .

H~UENSTEIN C .

HAWORIH J . M

HINDY R .N .

HIMMON, MJENSEN, M . E .JCHNSEM, J . R .JJRKOFSKY, '1 .0 .KISHER, R .

KLEIN J .A .-".[T, JFN ,1, 0LEVESQUE, M .

LAFFLAM S . R

LAI R .R .LANCASTER

LEM M .CI_

LINDSAY N

LOBITZ J .

!LYLE O .W .

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MARTIN JR_ ,

MASTER FILE CORKMATHEWS 3_ C

MCALISTER DMCCDURT P . E

MCFARL EN W .MCHA-E R_M .ME_VOLD R .

MINAMI H .M .MIRLISS G .HISNER R .C .MIYATA S .

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PLOSZAJ, Da 1 0POPPAN R _L . JA,8POSTER R . . D . AA 4I?°TENT OFFICE FE3 .H1PAUCKERT R .P . I343',;HETERSON G .L . 8HE~',PIETROWSKI 0 .F . AAa~ 'PILL . NG i3 S . 1715PLOWDEN J RF0 1

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H D M Se00040003

Aocketdvne Divisio nRockwell International CorDoratio n

6633 Canoga AvenueCanoga Pak Califxnin?' 903 1, n`ernaa rio r a

FalBx ~ -

ROCKRTOYN .NPK

C0 May 1392

CERTIFIED-RETJRM F.ECEIPT REQUESTED

In reply rofor to 92RCC560 3

Cal EPADepartment of Toxic Substances Control1405 N . San Fernando Blvd ., Suite 3003urbank, CA 9150 4

Attention : Ms . Maria Fabell a

Subject : A rea I Thermal Treatment Facility Closure Plan EnvironmentalCheckl s t

Gentleme n

Rockwell International Corporation , Rocketdyr,e Division is submitting thisletter in response to a request for completion of environmental checklistforms fur the ArfaI Therm al Ti--it : i . :it Facility Closure Plan .

As requested Rockwell has completed the ervironmental checklist forms . Copie sof these are attached along with additional reaui~-ed ros :ohs s .

Required respanse s

APPENDIX H

24

Significant amounts of solid waste -r 1itte, ,

There is a potential for solid waste and litter to as generated . Ruckwell isuncertain as to what const" utes a --i,ni=icant amount . however, all solidwaste that is generated shall be transported to an appropriate aisposalfacility .

.5 0

Relationship to a larger project or series of projects .

The Area I Thermal Treatment Facility Closure Plan is one of several Closureactivities planned for Santa Sasana Field Laboratory . It is sma;l, incomparison to the c :her projocts .

I II I II I IIII 0I I I I I II I II DlBNA0136925 0

H D M Se00040004

Describe the ara .ie :t site as it exi_, ts ne=cre the prD~ect, -nr' .rdin qinformation on ::pograpny, soil stanility . plants and annals, and an ycul :ur_l, historical or scerie aspects . Describe any existing structures o nthe site, and the use of vie structures . attach pno : :graahs of the site-

The Area I T'hermY Treatmeit Facility is 'ocated in i cleared area on :h 2south side of the Sarta Susana Feld Latcratory (see Figure I of the Samplin gand Ana ysis Plan Area I Iner- aI Irca_Tert Facility - 864 0M-158) . The area i smos :ly unpaved, reascnably flat and veg etation free . The area is routinel ygr M eL L re!au .'e ier :et . :ljii .

The wester nTcst po-tion cf the facili :y is flat and rostly free cf vegetation .There are several :able :, nucke : s, and :banes that were used for training an ddemons :raton purposes .

On the eastern portion of the Area I Thermal Treatment Facility _here are tw oberned areas, an old cortrol center wall and several hundred feet of asphal tsurfacing . One term is located on she south side of the facility and i sapproximately 5 feet in height and is " L" shaped . Within the term is a 19 . 5foot by 7C fcot concrete pad . The barn surrounds thesouthern and easternsides of Lire pad-

The secorr ` m ini area ras a:UL 8 feet in hfight .

There are no signirica n

APPENDIX H

34

6 .5 foot by b .5 foot concrete pad . The berm i s

ultural or histn'ic aspects .

Describe the surrounding properties , including information On Plants andanimals and any Cultural , historic or scenic aspects . Indicate the type o fand use, intensity of land use , and scale of development . Attach Fhotcgrachs

of the vicinity .

Fire Area I thermal Treatment Facility is entirely surrounded by the Santa5u,ana Field laboratory . Areas surrounding the field lab are sparselypopulated . the area is a typical chaparral with California Oan and shrubberywithin the °SFL . To endangerec spe :ies of Plant, the Santa Susana Tarweed,has been identificd at theSSFL . The Tarweed ,however , has not beerdentified as the facility . The Natural Fauna consist of deer, raccoon,SKUnK, possum, bobcat , mice and other miscellaneous species .

Since this project will bring the area back to natural conditions , there willbe a positive impact on the natural environment .

III IIII I III III 0II IIIIIII III II I

BNA0136925 1

HDMSe00040005

substance if excavation of cortaii-in .ted ma ;eriai is required . This risk eiil-

Land Use - Since we are closirq tKe facility the land Lse will besignificantly changed (i .e ., the result will oc no use of the land', .

assessment/remediation . A remote possibility exists that contaminated soil s17) There is a remote possibility that human hazarc will exist during th e

be minimized 'ay the applicacicn of safety and engineering cortrols .

measures ;hall be taken to insure tnat site workers and the public will b ewill be encountered or compressed gas cylinders punctured . All appropriat e

protected from any dangers encountered .

ROCKWELL INTERNATIONAL CORPOR 7ICNRocketd}ne Divisio n

ntal Impact s

Soil ;Fall be disrupted i.r order to take soil samples . Disruptio nwill ne minimized but is necessary to address site clc :Lre .

Excavation of certa ;, portions of the site may be required . I feycavation is required . fill, compaction and regarding may Heavetie area with a slight ; changed topography .

M . E Jensen,"Manage rWater and Waste Program s

Enclosures as note d

Lester Kaufrran/U .S . EPa Fazardous Waste Management DivisionSayareh Amireorahimi /Cal-EPa D7SC

[hate Filed

G?eerkl InformatioA

1 . Nsrw and Rfirjr,,--q A of developer or project eponsior : -064 , J -~yerr~4ler a

(.&33 C Avo[,A Ac C. Al"&A PA 2,Z CA 5 f +, 3

I

range

I II I II I III I I I I I IIII II I IBNA0136925 3

H D M Se00040007

Assessor's Block and Lot t:Address of projects x :T~ ru A h r7 m_f(L 8 - G e4 i 7H~ aakr 're a ncrf ~!c ,ice

this project : <a% &F C.4~gase, idlrese, and telephone ntibnker of p .r9ai to be contaeto concereieg

. ?udicate numbe t of thA permit 3ppiicatiorl for the project to wbich thisfarm pertains ; ncne

5 . List and describe Any other rotated permits and other public approval srequired for this project , including those re_quirLld by city, regional ,state and federal agencies l -

_rapt rp ,y , '1'F 4i- 7ilNrin4:

f 1, f7 , f/✓fCN ~ 1-AC, ~r'«

,clds,~c l

r--crqosed •ise of sitA (Project for which thin form in filed),. ~e~c n- n~ ~

t tr, f 4s ti cn 5 k/o a rxan

~

~da~~ .

project Descriptiod

Ptre~c' u

9 . Square footage .iPl( N

u~q:~i cc<~M ti

O . Nun er offla'nr9 of otlnetrKtion .

t2 .5 ce c 1 ,u re ~~~4 r~

M . Pretr_sed scheciulidgiC 6 -' U 26

t4 . h? ,t d project. N/~f4

1F . Anticipted inzr ntai devetopoent, ^;/A

to, is residential, include! the number of shits, schedule of unit sizes ,

of -,Ate prtcas or t`ettt9, and type of hou9ehotd 9 TA expected .

Site size . } 'J'I Fc

,pt

17 . If camnercial, indicate the type, *hether neighborhood, city orregionall q

23 .

sniir, estima-ea occupancy, lo4bin9 Zpc11it1ee, and ca=unity '7enefit, to

. . .. . . . . . . . .. 1

19 .

of general area

be derlvai trxn the project .

If rte project tavolves a yariftnce, conditional use or r- ix d z nnllc-A-tion, _s-ate true and indicate clearly uhy the application 1,9 re{'ilred . ti/̂

Discuss belc, r

Ye NO

Are the following itens a.ppllcable to the project or its effects?all iten chocked yes (Attach 9dditiotAl sheets to n e egsary) .

21 .

2

C1mnge to ezlsting festuros of any bare, tidelands, bunches ,

U . Significant wrounte of solid +rante or litter .

areas or public lands or roads .

25

Prc3eot .

orie❑ i, square footag e of ea12s area and loading facilities, . Ili

if industrial, indicate type, e9timated employment per shift, and loadingfacilities . ~J /njr lnstitut onai, indicate th e rajor function, estimated es olo n nt nA r

or hills, or sabstantial alteration of ground contours .

Change in genic vi~ .s or vistas from existing residentia l

Chango in pattern, ecale or character

Mange in dust, "h, soke , f~xnnn or o-aote in vicinity .

28 . range in can, b &y, lake, stto i or ground water quality or4 atity, or alteration of existing dra_nage patterns .

27 . 5vbstantial change in existing noise or Vibration levelsthe vicinity .

29 . Site on filled land or on elope of 10 percent or mo re .

29 . fisa ref rfsposAl of potentially hazardous materials , such astonic subst=cel, flint bles or exploni7es .

30 . substantial change it denand for munictral services (police,lire, WRter , s2*tge j etc .) .

31 . Substantially tnere& fossil 'uel contraption (electricity,oil, natural gas . etc .) ,

32. Relattnnsh{p El a 1Arger project or series o

Envirt tal setting

ProJec s

33 . Describe the project site a it exists before the project, includinAinfor-mation on topcgrnphy, soil stability , plants And animals, and any cultural,historical or scenic Aspects . Describe any existing structures on the

2813

I

BNA01369254

HDMSe00040008

site, end the use of the structures . Attach photographs of the sit eSnapshots or polaroid photos will be accepted .

34

accepted .photographs of the vicinity . Snapshots or polaroid photos till bs

development (height, frontage, set-back, rear yard, etc .) . Attach

family, apartment houses, shops, department stores, etc .), and scale o f

anima.!s and any cultural, historical or scenic Ispects . indicate tho typoof land use (residential, commercial, etc .), intensity of land use (on e

l scribe the surrounding properties, including information on plants ari d

Certification

I hereby certif5r that the statements furnished above and in the attached ex-hibits present the dat i and information required for this initial evaluation tothe best of my ability, and that the facts , statements , a.nd in formationpresented are true and correct to the best of my knowledge and belief .

t gnnature

For

(tvotc ;,'..s is only, a suggested fora . Public agencies Are free to devise theirown for t for Initial studies.)

287

I I II I III III 0III I I II I I IBNA01369255

II R

HDMSe00040009

MVIP" .. AL FIAT PM

. Background

Name of Propoaent ~~ n{ ra {tm P c ~~~ne '~ J

Address and Mane- Number of Proponent ~~~ 3 ~an~,a A :e ! n e~~, darklW I n

Date of (beckliet submitte d

Agency Requiring Checklist ',4L-_ Epi}

. Nance of proposal , if sppI tcAble !Ar,, T Then .n, t 7r~ ` U 1 1,1 ~r1°veF

IIA Environmental IrMts

(7cpLanatioos of all "yes" end "maybe" dnerera are required on atte.ch6dsheets .)

be No

Earth . Will the prom' 1 result in :

Unstable earth eondttions or In changes ingeologic suhetrnctures7

b . Tltsruptions, displAcerents , Ompeiction orovprcovering of the moil?

ChArge in topography or ground surfacerelief foature ?

The deetructton, rnaering or fmcdificationof tiny pique geologic or physical features?

Any ieet'e 8 In wind or ,pater erceioa ofeoi1A, either on or off the site?

caAnges in deposition or et^oeian of belchsands, or chsegea in silt&tion, deposition orerosion thieb ag7 modify the chnirel of ariver of ktrei or the bed of the ocean orny bdy, inlet or 1tke ?

Rzpomtm of po,plo or property to geologichazards such s:e eerthquikee, 1Andelideo,mudsiide9, ground fai1ure, or Similar hazards?

0 I III VIII III II III 111 1BNA01369256

E

HDMSe00040010

Ye

2 . Air . Will the proposal result in:

C4

8ubstantitl air emiasioes or deteriorationof ambient air qAlity?

The creatloe of objectionable odors ?

either locally or regionally?tanpertture, or any change in climate ,Alteration of air move* t, moisture, o r

T*ter . Till the prvposei result in :

a.. Changes in eurrente, or the course of di-section of titer muvemente, in eitber marineor fresh atere?

b. Changm in absorption ratoS, drtittt ►ge pat-terns, or the rate and amount of surfacerunoff?

Alterations to the couree or lot of floodraters?

{bangs in the Amount of euriaee eater ineny toter lady?

Discharge into surface raters , or in anyalteration of surface rater quality, inchiding but not limited to temgierature,dis9olved oxygen or turbidity?

Alterttion of the direction or rate of flowofgroind caters?

Change in the quantity of ground waters,either throtzgfr direct additions or vit -drawais , of through interception of anaquifer by cuts or eicavatians?

9`ubettntial teductionin the amount ofwater othersieA available for publictiter A1lppliee ?

i . ipomire of people or property to rites re-ts ted ha2arde Ruch aA f leotiing of tidal t taus'

punt Life . Will the proposal that in ..

r . Cb nge in the diverstty of species, or mn-ber of any E pecietu of p1An€a ( inelttding trees,shrubs, rte crops , and tie plants)?

MRybe

I II I II I IIII 0I I I I I II I III IBNA01369257

0

HDMSe00040011

Yes lhgbe

introduction of new epecie5 of plants into an

or tmd&figeredspecies of plants ?

area, or in it terrier to the normal replenieh-meat of existing species ?

Reductiot in icreag© of Any Agricultural crop?

b. Reduction of the nmbere of may unique, rare

S . Animal Lif e . Will the prapoal resin t in !

ChAnge in the diversity of gpecies, or mibers of Any 4pecies of eniteals (birds, lan danneals including reptiles , fish and shellfish, bentbie orgenistse or insects) ?

Reduction of the timbers of sny unique ,rare or aodsngered epecieg of inia,ale?

Introduction of new epeci4 of dnim la intoan area , or result in t barrier to the migra-tion or movement of fnienle?

Deterioration to existing fish or tildlif ehabitat?

Not. Will the proposal result i s

a . increases in existing noi9e levels ?

b . Exposure of people to severe noise levels?

. Light s Ole" . till the proposal produce newlight .or glare?

LAM UeA . Will the proposal result in a eub-eta.ntiAl Alteration of the present or plannedland use of AA AreA?

Yatural Reeoufteb . Will the proposal Pe :tlt in :

a . Increase to therite of use of ani tts.tura l?

10 . Uiek of Upset . Will the propoeel involve

it . A risk of an explosion or the rAle& ofhar"tdoue eubet*i a (including, but notlimited to, o-il, pesticides, theeieele orradiation) in the Ovmt of an idcident or"poet donditiaus?

I II I III III 0II I I I 1111 nBNA01369258

E

HDMSe00040012

e do

b . Possible interference with an emergencyrespotM piaA or ao emergency evacmtioap1sm7

1 Population . Till the proposal t1thr the locstlon,distribution, density , or growth rate of the b t opopu1atiob of an arfA ?

I

1:

gougiag. Will the propoegl affect existing howing or create a demand fortdditional bonging ?

result in :Transportttic /Circulation. Will the proposa l

Generation of substantial aMitioaavehtoulwr rflowement?

Effects cn ezistI ng parking facilitie sdenand for be* parking?

0

Substantial impact upon existing transpoaction eye-taw ?

Atter*tion4to present pattern of cirrutk-tiob or movenent of people and/or ode?

Alterations to raterborne , rail or Air traffic?

TncrPAAe in traffic htrrda to motor vehicles ,bicycllgts or pedestrians ?

1

ernmeutal aerricea in any of the following stets :upon, or result in & need for new or altered gw-Public 5erticea . Will the proposal btva an effec

Fire protection?

b . Polic9 protoctian?

C . &--boots ?

d . Parks or other rterastiooal facilities?

e . tbaintenarce of public fteillties, includingrode?

f . Other gosernmenttl servicee?

15 . orgy. Till the propaeal result in !

a . Use of substantial smainte of fuel or energy?

I II II II I III 0I I I I I 1111 I EBNA0136925 9

HDMSe00040013

Ih7be

b. 8ubstintial increase in demand upon existingeourcea or energy, or require the developmen tof ner sources of energy?

16. Utilittea . Will the prnpc l re-"It in a need fo rnew system , or eubetinttal ilterrttiona to th efollowing utilities :

17 . 8uetingealtb . till the proposal result in

a . Creation of any bealth hanrd or potentialhealth hazard (excluding mental health) ?

Exposure of people to potential healthhazards?

19 . Aeethetiee . Will the proposal result in theobstruction of any scenic vista or view open tothe public, of 0111 the prmppeal result in thecreation of an ae9thetictlly offensive site opento public aien?

19 . Recreation . Will the proposal result in animpact upon the quality or quantity of existingrecrentionAlopportunities ?

20 . Culturt. l Reeourcm

Will the proposal result in th e alterationof or the destruction of a prehietorie orhistoric archaeological site?

Will the proposal result in adverse physicalor aesthetic effects to a ptehietorie orhietorie building, structure, or object?

tomes the proposal have the potential tocau99 a pb7eieal change which MoMld affectunicrite ethnic cultural at:luee?

will the propoent restrict .tlating religiousor ft,6eM axes titbin the potential impactarea?

21 . Yendator7 lioiags of 91~tiiicaace

a . flc the project bsve the potetial to dAgradethe quality of the envir t , eubetantially,reddce the habitat of a Rob Or ildiifespecies, 4Mu;6e a fish or wildlife populationto drop below pelf euetsiti :eg levels , threatento eli.:ninate s plant or animal eanttinitt, tieduce the tI fier or restrict the Kale of a rareor endangered plant or anies _1 or elWeate

BNA0136926 0IIII I I II I III III 0II I I I III IHU R

HDMSe00040014

Tea Maybe No

important examples of the major periods o f

abort-term , to the disadvantage of loo-term ,b. Does the project have the potential to achieve

California history or prehistoty ?

envlr~onr~eutal goals? (A short-term impact onthe environment is one which occurs in a rela-tively brief , definitive period of time whilelong=term impacts will endure well into thefuture.) =

Leo the project have impacts which areindicidual1y limited, but cueui a►tively eon-

-eiderable? (A project may impact on do ormore separate resources where the impact oneach s ounce is relatively q*ll , but serethe effect of the total of those impacts onthe enviroatnent in significxnt . )

Does the project have environmental effectswhich will cause aubetantial adverse effectson bir n beings, either directly or indirectly?

III . pigcussion of Fnvirvemeate.l Bv*ltation(narrative description ofenvironreental impacts

IV Determitntio o(To be completed by the Lead Agency .)

On the basis of this initial evaluation :

1 find that the proposed project COUID Wr have a significant effecton the environwat, AM IL N 1ATIVE DOMA ATIC! will be prepared .

I find that althmtgh the proposed project could have a significanteffect on the tlabirot ant , there tilt not be e. significant effect inthis case because the mitigatict me~4uree described co an attachedsheet have been added to the project . A RmATIYg T)4 APATICH nLL BEPREPARED .

I find the propoe+ed project MAY have a significant effect onenviranrnent, and an EHVIADN1dENrAL I1(PACC R MM T is required .

bits 9r, FmG"-

N

For

(Sots, This is only a suggested form. Public agencies are free to devise theirowd forma t for initial studies.)

I II I III III II I I I IIIU I IIBNA01369261

R

HDMSe00040015