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t <br /> TASLr. 2-2 f <br /> GZN£RAL R S'K APPRAISE <br /> FOR PROTECTION OF WXT R QUA= <br /> ?mac PL2CXnILITY CHEC1=9T YES No I <br /> IIs the site is a mounr.a�lZaizs aria? (shaded mo is <br /> areas &/Or areas w-!hs rocky sunsur face cends=fors) E <br /> i <br /> Is the seta ;n an area that could co ll e-= surface <br /> 2 runoff or onvarcepz water from a sour=s other tSan 'C <br /> tae natural precipitazson? <br /> 3 . Does the areal went of sail ccnzamonatson <br /> exceed 1000 feet= ? ' <br /> t <br /> 4 00 the concent_=au_ons of fuel constytuenzs 1= any <br /> } <br /> soil samples exceed the following amounts: <br /> benzene - 100 ppm, toluene - s0 ppm, xylene - 40 x <br /> Ppm, et'iylbenzene - 40 ppm? <br /> 5 . Are there any records or evidence of man-made or ` <br /> i <br /> natural onjects which could provide a conduct for x <br /> ver`ical m=grauoon of -leacnate? <br /> o. Do any bcring ar excavation logs show We presences <br /> c f frac t: es, 3 a 0.nts or faults that could ac W as a <br /> ccndut for ver`-cal 7L19rat_cn of leachame? i I <br />• 7 Do any boring logs show that contaminaned sonl <br /> could he w- in 5 f t. of higher m ground rata=? <br /> S . Do any boring lags show the presence of a layer of <br /> maternal, 5 ft. thick ar more, which is more than ( � <br /> i <br /> 751 sand and/or gravel? <br /> Directions: <br /> 1. Baring logs taken during the general risk <br /> appraisal can be used to ani e_- questions 5-8 . In <br /> addition, analytical results ey the sail samples <br /> taken during the general risk appraisal can be <br /> used to answer questions 3 and 4. <br /> 2. Lateral Q=02 .on of cans i&uents to problem areas <br /> should also be considered in questions 5-8. <br /> 3 . The above checklist contains questions which are <br /> designed to identify sites with environmental <br /> conditions whsch could produce a greater risk to <br /> ground water than was modeled. The results of the <br /> general risk appraisal are most applicable If all <br /> of the quer tsons an the checklist t can be answered <br /> "no" with reasonable cartaizsty. If any of the <br /> questions on the checklist cannot be answered: <br /> "no" , then the results of the genera} risk <br /> appraisal may be less valid. <br /> 38 <br />