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<br /> ;AGE NC;Py oject N6:,95'0,1x14 p ; I r ti ;t "� �� �,'f}' r`
<br /> age 4 of 6 !. , �,;,! -,aY I ''1 r _ �• I -'A }
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<br /> h{A.0. PROCEDURES
<br /> DRILLING AND.S'AMPLING
<br /> 1 a; For the,drilling.and sampling of;soil borings/rnonitoring wells,-'the �following.procedure's,will"be- _
<br /> performed.
<br /> + ; l'. Prepare a Site Health and Safety•Plan n'accordarice with the Occupational'Safety and Health'
<br /> Guidarice Manual for Hazardous Waste Sit' Activities=`Prepared by.National.Institute for:.
<br /> =`Occupation'al.Safety and Health;OccupationalSafety and Health Administration, U:S:,Coast", `
<br /> 'Guard and U:S. Environmental Protection'Agency, October 1985.
<br /> `2, . Notify the at least 72 hours prior,'to,commencement of A' ,y. r.
<br /> 3.. , Initially three (3) borings will be drilled. The.borings will be-drilled'using a truck-mounted•
<br /> drill,rig equipped with,continuous=flight; 8-inch diameter,hollow-stern augers. All borings will
<br /> be drilled to depths'of at least 40 feet;borings to be completed,as monitoring wells, will be
<br /> drilled'to depths of 52 feet. -
<br /> . 4. Obtaut a grab ground water sample from the boririg in the'sidewalk along Harding Way. ,The ,;
<br /> sample will be,obtained,Using Hydropunch or.siinilair meth��d.,""1'he ;;rah ground water sample
<br /> ' will be collected using a disposable plastic.bailer:and will.be collcc'ted in 40-m1 VOA vials. ,1
<br /> 5. ; Screen the grab ground water sample for organic vapors (OVs) using a PID, If OVs,are - I
<br /> detected, the boringwill be grouted to the surface; if no OVs'ar.e detected, the boring will be #
<br /> completed as aground water monitoring well (see Section 4,2.)_'-
<br /> 6. Obtain.soil samples in all borings at five-foot intervals using a split-tube sampler'loaded with;
<br /> three pre-cleaned brass-sleeves.
<br /> Preserve soil in the lead brass sle ,ve by covering both'ends`with-Teflon tape
<br /> 'or aluminum
<br /> sheets,'capping, and sealing with tape.
<br /> 48. Label and log'soil samples'on achain-of=custody form
<br /> .. ,
<br /> Store the sarriples under. ice and transportahe samples in.a,chilled container to.,a 'State- ...
<br /> certified laboratory for analysis. _
<br /> ,10. Log augerreturns in accordance with the Unified Soil Classification System.
<br /> I V. ,Screen auger returns and soil sam le.du licates for the, resence of volatile or anica usin a 1
<br /> g P P P. g g,
<br /> - photo-ionizationydetectbr(PID) pre'calibrated to isobutylene:,
<br /> 12. Place anger' return' in D0 -a'pproved drums and-'store on-site,pen' ding analytical results.
<br /> rt i
<br /> l3. 'Analyze selected soil samples for.TPH-ss'and BTUX in accordance with EPA'methods '
<br /> :� '' GCFID/5030 602, respectively.' i `
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