-j
<br /> JT
<br /> 'I
<br /> • j
<br /> Lo ft.
<br /> 4f
<br /> In
<br /> I eqt s.at a Lrra
<br /> k, 17
<br /> ;r.1 ; 1.1 . .
<br /> I`. V,Llir!,
<br /> WN
<br /> -r Ar It t
<br /> i A 4
<br /> 'j, 0.
<br /> 19 9 8,,
<br /> ' du
<br /> 0 Work Plan,Addein
<br /> Hess Dubois;C16
<br /> I't
<br /> 348 West Hardin,i' Wa`y;,96i ton, afifqrnia','
<br /> 4 Q.
<br /> 1:.0
<br /> :.0
<br /> INTRODUCTION',,AND SCOPE OF WORK—
<br /> "d Geol
<br /> In
<br /> I ateoidance With i request fr6rfi-N1i:?6ter Wallace;Wallke;Ad�dnee Efivironineii
<br /> (AGE),h,�s
<br /> prepared this.Woik'PI'an'Addondiiffi,for� additional soil and grbnd.4ateriiiveki th6 farmer
<br /> Hess DuboisCleahefs located dt,,348 West Harding Work�'.--.
<br /> ,,.-ihclude'i the installation of two ground water monitoring wells and two soil borings sdil-and-ground'.
<br /> ater.s
<br /> arn:) ihg.l The lociti6n.of-the site'is i lustrated.in.Figdre I ,Locdfion.11qp A 'P
<br /> Ian of the site`'
<br /> is'&Pic.ted ih-figure
<br /> 2,L
<br /> Si
<br /> le,Plah
<br /> This Wvrk Plari,Addeiid'um'is',prepared in-;accordance with PHS-EHD,and'Centrd[,Va'lI6yRegionaI.
<br /> Wgter"Quality.Control-96ard(CVRW
<br /> CB) i'es f6r the in' v6stigatibn of undergro'uh&storage,
<br /> Q guidel n
<br /> tank(UST} sites
<br /> %
<br /> --10. - SCOPE OFWORK--
<br /> 2.1_. DIULLINGAND-SAMPLING'
<br /> The proposed.scope of work includes the drilling and,ifistiillation7of groundwater rnonit6ring'.wells.
<br /> Will,be',advanced io.d.epth.of,45 or 65"fee't below surfi.6'e gr.ide
<br /> ,.',,(bS-g) using-atrutk-mounted drill'rig equipped with-hollow-stern tern augqrs.'Borings'esiablishpd for
<br /> ground water monit6ring.wplls will utilize 8.25.-inch augers; Soil will be �estabIisli ed with
<br /> 6-inchaugefs., Proposed monitoring W611'and'boring Jocations are illustrated 4n Figure 2. Prop' qsed',,'--
<br /> Monito Figure 3.-Mohfioring Well Design,..
<br /> ring'well design is' in
<br /> Soil samples will be collected at fiv' e-footinter'v.als'beg'i'n'nin' g-.at 5-Teet
<br /> bsgjn each boring. Samples`
<br /> will be collected a-Califorhia-split-spoon sarhplef And brass sleeves. ThI&sampler bedriven,
<br /> 'a 140-pound weight frorii�L height of 30 inches. The number-o
<br /> by;dropping fb1ow§'ke, quirid-to drive .
<br /> .,,,.each 6-inch length,of the sampler(blow'counts)"are t6•be recorded,6ii th6 bo;ringjog§ by'an,AGE
<br /> staff'geologist: Upon's'ampk i ' I' ifi
<br /> le: qtfie-vd e'middle,brass's'leeve" wilf be removed from the sampler.
<br /> The',ends of-the-slee've'will be imniediatdly covered with Tehon,or a uminurn sheets; sealed with,;;
<br /> -;plastic'ehd caps, secured with.tape and, '-ifinAddiately placed,in a'chilled container for r transportati W
<br /> to-a StAtez-cettified 1abofhtory. Each sample sleeve will be' labeled,with the:f6116
<br /> wing:, onng,..
<br /> .,,�-,.16c�tio�', depth,�-tim&,:datc.an.d samp1,e?ijni.ti,ai..
<br /> -i 6rab,watef samples.'-will beco'llected at depth of 45.'an' d 65'feet bsg,respectively,using ihydfopLinch
<br /> %x6ter sdinblerTrom-With the 6-inch-'augurs'.
<br /> Ago, ✓ 41
<br /> 1J,-
<br /> "Advanced GeoEnvironm"ental,
<br /> 'Inc.
<br /> 1 4
<br />
|