Laserfiche WebLink
Surf mace-6" : Sandy loam. <br /> 6"-r, - brownish-blact clayey loam, tairly drv , firm , gradinq <br /> to brownish-gray towards the east end of the pit. <br /> ca --bottom: Sandy , clayey kilts , buf T to tan , with occas) anal pods <br /> and Iri-eqular shaped 1rlcia-cs;10ns of brownish clay. <br /> No cont i nous, unx f or m beds were noted , and the sediments were firm <br /> and well compacted ; there was no evidence of slumping or caving. <br /> Refer to Plate X 1 for photos of the e,•cavati on. <br /> Thea SJL-HD representative, Mr . I nol l , arrived at appro imately <br /> 1 : 0 MPM, and after some discussion , it was, -agreed to tale a total of <br /> 7 samples-2 from the bottom, and 5 si dewai l s. Refer C'o Plates In <br /> X for the appro , i mate location of the, samples. <br /> A Thorpe Oil Co. employee L_j4"as 1 owL-2r-ud Lo thL. bot tam of th(: <br /> e-cavaticin in the backhoe bucket. Using proper-1v r_leraned and sealed <br /> br4ass tubes Supp L i ed by FbL_ Environmental personel , he too[ two <br /> sample, at each of the locations indicated by Mr . i poll & Mr. <br /> Hunter. The samples were quickly returned to the surface , properly <br /> seated , labeled , and refrigerated. The/ were transported to the <br /> laboratory under Chain--of- Custody; (refer to E hxbi t I& ) A taint <br /> gacsol cane odor was rioted in some of the samples . but no free product <br />. was observed. <br /> Composite samples were also taken by FGL Environmentai from they <br /> spoil , to assist in evaluating remediation techniques if needed. <br /> See Plate III for the results of that analysis. The e ;cavata on was <br /> securely fenced and the spoil was covered with plastic . <br /> RESULTS OF SAMFLE ANALYSIS <br /> Che results of the laboratory anIysis per +ormed on the G-abovv ss,.lmples <br /> from the excavation are tabulated on Table T i . -rhe? analysis <br /> revealed that the, - si dewal l samples on they northeast , east , and <br /> soc_ctheas L side of the pit were c i e an . Very omal L amounts of la r xmi <br /> were measurer) 1n the two bottom samples; Tr-H-L, was detected in only <br /> one sample , i SW-2W. ) Neither Ethylene Di br om.ide nor organic lead ' <br /> were detected at reporting limits in any of the ,amples. <br /> However- , samples No. SW--2W y SW--:;W , (ref er- to Plates i X X0 <br /> a <br /> indicate that contamination has riot been removed in that area. , and <br /> will require further- cleanup. <br /> Although the composites xsampies of the spoil taken can 1 / 19/90 showed <br /> detectable levels of B7XIE and TFH--CI , EDB was below the reporting <br /> limit of . 01�) mg/F q. The test for lead was not run. rhe composite <br /> samples taken from the spoil at the conclusion of the c-,c.avaWon <br /> 4 <br />