CAMP DRESSER I McKEEMIMOIAMDUtl

To o ;.. Quqlieri ,, .

Protu Su~an Henderson ..JP U Date I Pebruery 17, 1988

Projectt Norwood PCB

Subject I Soil lorina Under P1oor Slab

Grant Gear luildinc

On Saturday and SUDday, February 13th and' 14th, C..p Dre..er and Md" Inc.

(CDR) conducted a aoil borina and Contract Laboratory Procraa (CLP)

auplinc procru. The objective vu to collect aoil aaaplea fr011 different

depth• under the floor dab rtear 2 location• vhic.h are napeeted by UA to

..,..,.. MM. forMr dtapoeel pit ar.... lefer to Pipru 1 aM 2 for tiM pit

aM ....le locatiou. TtM aMplilll vu coMuc.ted 4udlll DOIII- worltinc houn

to avoid vorltar upoeure . 4r thur O.Clieri , Dan Fredette UMI luau

.....reoa wre pr.._t fr011 all . Carr-O.. vu tiM 4r1111 .. c.....,. Tvo

repr....tatiYel, fr. Icr Cl-t Inc. 1Dcludi., Davtl Iron, vere pruent .

fte 01'111•1 floor alU 1a 4• tltidt . TM bott011 of tiM: floor d.at vu

...i...tM u tiM: 0 foot ..u. fr011 which to ...ure tiM IMP1• HptU .

fte •tertel ,__. .._..th tM dab vu a very rocky (lraM1y), c-..c.t,

4ry, ,..., eon. tM flnt two f..t conailtecl pnerall:r of 4ry •••

lllrOVIl aoU aM -u rocb. ..._th thta layer vu peerally a lllry 11Pt

brown fiM MIMI with -11 roeta. the dMpeat aplit •IM*' ,..,1e vu

collected froe 9' to 10' at location u. The bott011 portion of the

Mterial in thta apllt apooa vu aatu.rated aad contaiDed .... clay .

At 10, located in for•r pit area U, the ftut 4' conahted of concrete

rubble fill vhicb vaa deartH froa the holt by han4 . A aplit apoon vu

drhen frot~ 4' to 6' 1 however , the rubble , 1ravel an4 HDd •terial vu not

retained in the apU t - •poo•. then vu onl:r •ou.P Mtodal t o take a COM

auple.

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6IWIT GEAII BUILDING, 110111000, HA . SOIL SNI'LING LOCATII* PLAII

CIW IIIIESSER I McKEE BDSTI*, HA

S~"'"~H Co... ~atnro 1.· I~~ 14 · !I&

Split apoona and atainle.. stMl bovll and spoona vere decontaalnated

betveen ..ch ~a~~ple udnc a Dayton Vat St... Cleaner-/Bot Pre ..ure Vuher .

Thera were tvo poaitive BNu rudtncs . loth vare at the location U.. Pro•

0' - 2' then vas a readtnc of 3 p~ and frCHI 2' - 6' there vu a readina

of UO pp11 . All other HNu testina: of boreholes and soil suples indicated

bac.ltcround levels •

.At loeatlon 24 the c.rovn of the 10" drain pipe vu penetrated . PrCHI •P•

of the drain pipea, the drain location had been •••-" to be atraddled by

Pit 12 aDd therefore the auplinc hole• had been apec.ifically located to

•ch aide of the uau.d location of the dnin . 'l'ba drain pipe h •de of

vltl'ified c.lay. the pipe •tarlal vu placed in tha Maplin&' jan vith the

~t of tbe Mterlal fr• tbe apU t apooa. for lab analyda. The crovn of

tM drala pipe .,.. repaired vith a pluc , and the bore bole vu , ..led vith

•rtar ail: to floor level.

All otMc lion Mlu vere filled vlth tM •tarial vkic.b bad bHD r_.,...

fna tM .......... filter .... to vlthia 6" of floor level. The floor alab

_. ,.tcW wtt• pr-.tcW c...: rete aix which vu aixed vlth water, plac.ed

~ 'r .... _. ,.._ _.tiled o.,..r. All *hi• and -.ulpee~~t vhlc.h had bMn

..........,. ..... te cl•r • area ar.- tiM bore holH wu rHtored to ita oriainal

ceM.ltl•·

11M: tlPtly ~t.. •teriah froa a 2 to I foot depth nec:a11itated

-.-ra....d .. apooa vltWranl. ly4ral.lllc aqut,....t u~ for utractlon

wu oft• l .....uate in r-vinc tba apooa froa tba hol•• · On aeveral

oc.eutoae t• apll t ,,._ vu Marly eapty ..._ vi tWrawn ••• wt.l aprinc

t,. ...,le retaiDara wn ..._. i n the apooa. There vu dlfUc.ulty in

~talal11 ....... Mterlal to fill all the ...,1e jart fr• one apllt apoon.

ftM:refore, eoae of the aaaplH are a c.oapolite of aaapltnc fr• 2' to 6'

_. .... of tba: CUI ,_,lea were collected froa a 1pllt 1poon tuple

different fr• tha CLP aaaple but either at the , ... depth or dHpar by a

c.oupla of t ..t . Therefore in c.oaparinc the CLP 1aapla analytieal data to

tha CIJIIJ analyttc:al data , Tabla 1 thou.ld be utllhed to datenine vhic:h

...,let were actually c:OIIfiOd tad tocether and vhlc.h vera c:ollec.ted froa

IIIII II I 1111 1111 llllss

IIIII li I llii ii~i iillss

liill'il 1iiiilllilriiii:: !IIe :~

il i

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Hn~~ 1 1 iMil

I I

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separate split spoona. Tabla 1 containa a aaapli111 s.-ry includi111

aaapla n•ben, traffic nuM.n and the depth fr011 vhich the saapla vu

collected . Tabla Z contains the -.a rudht~s 1 blov counts, split spoon

she and ob•arvations .

A total of 20 CLP ...,1.. vu collected fr011 a total of S locatiou . CLP

s..,l•• vera Hftt for analysis of IlL, Tult U2 and Clf- under CLP ca..

....-.r 910S. Orpnic ...,lu vera shipped to lorlt IA.boratorl•• ln Monroe ,

CT ud bMrpaie: ...,lu vera shipped to ColOIIbia AAalytical S.rvicu in

1.-.: View, VA . All ....1.. vera peeked 011 Pabnary Utb .... sblppad

r•r•l lapnu oa Mnaary 16th u ••11• lilluard due to ,...lltle PCI

co.taalMtioa. Ia ..Whioa, a total of 17 •apUt• ...,1.. vera e:ollac:t..

aM .._. ..li"~ to the CDII IA.IIIoratory February 16th for PCI -lr•h

oalJ.