Laserfiche WebLink
MRyngg . <br /> _ a v : <br /> r3 <br /> , <br /> x5 Golden Grain Company <br /> January 11, 1989 <br /> 207./799-5045.01 <br /> drilled toa depth of 30 feet and <br /> (Appendix IV) . MW-8 Was <br /> screened from 10 to 30 'eet. MW-7 was drilled to 50 feet and <br /> i; <br /> screened from 34 to 50 feet- <br /> for <br /> Soil samples taken during drilling were analyzed <br /> benzene, toluene, and xylene (Appendix V) . Soil samples from MW- <br /> downward <br /> ;:. 7 showed increasing concentrations of these constituents <br /> towards the water table Soil samples from MW-8 showed no <br /> i--1 <br /> of benzene, toluene, or xylene' <br /> detectable concentrations <br /> collected on <br /> Water levels were monitored and samples <br /> r-+ 198? {Appendix J} . Samples fro 144, <br /> NSW-7 showed concen- <br /> December 29, 58, and 97 ppb <br /> 5 toluene, and xylene of 144, <br /> trations of benzene, detectable in water' <br /> spective <br /> rely. These constituents were not <br /> ted• <br /> A water table contour map was not construc <br /> from MW-8. - <br /> - <br /> pn rebruary 2, 1988, water levels were r,.onitored in a <br /> r h Mor'-6, the calculated <br /> eight wells. Using data from MW-1 through <br /> hydraulic gradient was less than 1`<G, <br /> with an estimated flow <br /> Gradient is estimated from the <br /> direction of north to northeast. ( However, the reading at MW-8 <br /> SCS in Appendix IV• } <br /> map drafted by gradient and <br /> does not support these results, and the estimated - <br /> ils Of <br /> gradient direction must remain inconclusive.atDectian technique <br /> ' samplir►g, monitoring, analysis, and <br /> are�e�� d -- p�ndix -IV-- <br /> Sail descriptions made during drilling and sampling were <br /> s <br /> to resented in Appendix IV. <br /> used to prepare the drilling 9 p <br /> silt and clay were encountered to <br /> Sands with variable mixtures of <br /> i <br /> 151i 11111111111m!1�111�1 <br /> 13101 w <br />