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29 December 2000 <br /> AGE-NC Project No. 95-0114 <br /> Page 4 of'8 <br /> Field test activities \N"I] consist of the following tasks: <br /> • Pcrmittim- and pre-field Ntork activities; <br /> • Drilling. soil scmlplin(, and %vell installatir�nlde�elopmci7i; <br /> • Laboratory analysis of soil samples <br /> • Pump test: and <br /> • Properly storint-, and dispOS1112 of produced toround water. <br /> 3.1 , Pf_RMIT"Z ING AND PRI-:-FIELI) WORK ACTIVITIES <br /> Applicable site assessment permits will be obtained from the PHS-El ID. In addition. an update to <br /> the health and safety plan presently on-tile will be prepared i❑ accordance with Occuhcrtimial,1111 rt, <br /> (MCI Health Crricicowe .11m trul fin. II(I-alcloms IT"usle Site .4clivilies (National Institute Cor <br /> Occupational Salety and health Administration. U.S. Coast Guard and C.I.S. 1?nvironmcntal <br /> Protection ALcricv, 1985). Prior to mobilization, the ground y,atcr extraction well location be <br /> clearly marked and a utility clearance obtained throur�rh lindel-ground Service Alert. <br /> �.�. DRILLING. SE)ll, SAMPLING AND WFLL INS NIFX I' <br /> AGE proposes to install six additional ground water monitoring wells to address impacted ground <br /> watcr and one extraction well to evaluate the 1ea51billtV of Around seater extraction at the site. The <br /> proposed ground watcr extraction well Nvill be plated in the area of highest hydrocarbon in the <br /> Iormer UST area (See Figure 2)). .1 he extraction well will be screened from -25 to 50 Ieet bsg to <br /> address highly impacted soil zone from 25 to bf) feet bsg and the most intense stoddard-impacted <br /> (11'ound ssatcr. Other vells will be installed to 1110111101- the current water level. <br /> Follomil" installation, the extraction well will he developed to maximize watcr flow into the well <br /> and minimise the altlourlt oCline-I'rained sediment clrcMil into the %yell dur-irll' pumhinl-� or <br /> Procedures for well installation and development are presented in Sections 4.1 and =1.314.4._ <br /> respectiN ek. 'I lie soil boring will he advanced 8-inch and 12-inch hollow-stem augers. Che fl- <br /> inch ctuIIel's x\Ill he utilized to advance the initial pilot hurino and to collect Soil samples. <br /> Soil samples wit] he collected zit 540ot intervals from lfl feet hsg to total depth usii) a California <br /> split-spoon sampler and brass sleeves. Fach soil sample sleeve v�ill he labeled with boring location, <br /> vertical clepih. sampling time. date and sampler's initials, and will he transferred to a DFIS-certified <br /> analytical laboratory under chain of custody for laboratory analysis. All sampling tools and brass <br /> sleeves used for sample collection will he thoroughly rinsed with clean writer after washirl"r with .I <br /> solution of Alconox. All aLIOCI-s will be cleaned pride to advancement in each boring location. <br /> I rhuracrr!GcrrP:uirunnu•nl:rl.Ins. <br />