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The caller will be instructed to stay by the phone <br />while the system dispatcher notifies ERAD personnel <br />via pager. This pager, which has an LCD readout, <br />will give the caller's name, phone number, and <br />location where he can be reached for details of the <br />discharge. <br />F. Th,: Environmental and Regulatory Activities Depart- <br />ment shall be responsible for notifying the E.P.A. <br />District Office, state agency, or the U.S. Coast <br />Guard should any discharge occur into navigable <br />waters. <br />Instruction for Containment and Clean-up of Oil Discharges <br />Oil discharges and the ensuing clean-up procedures may be <br />divided into two categories. <br />A. Oil Discharges which are Contained within the <br />Substation <br />A discharge. in a substation will probably be con- <br />tained on NSP property and is not apt to enter a <br />water system or sewer. The major concern is the <br />possibility for oil to eater the ground water. The <br />probability of this occurring is dependent on <br />several factors; (1) amount of the discharge, (2) <br />area of cc-~taminated soil, (3) t7pe of soil under <br />the crushe rock surface and fill, and (4) depth to <br />the grounc water. Ground water contamination can <br />be minimized by the following procedure: <br />1. <br />Stop the oil discharge by operating <br />valves, sealing <br />holes or any other <br />possible m-ans. <br />2. <br />Plug all drain and <br />sewer entrances <br />in tho area. <br />3. <br />Constritct dams or <br />trenches to restrain <br />lateral movement <br />of oil. <br />4. <br />Pump discharged <br />oil, where possible, and <br />place in drums. <br />An oil sample shall be <br />forwarded to the <br />NSP testing lab for veri- <br />fication of PCB <br />content. If it's found to <br />be less than 50 <br />PPM, proceed to step #5. <br />If more than 50 <br />`'^M, proceed to step #6. <br />5. <br />Ascertain how m�_y <br />gallons of oil were dis- <br />charged to the <br />soil. Determine how many <br />square feet of <br />soil were contaminated b-, <br />oil. Calculate <br />the oil content of the soil <br />DISK 10/(DPO-B-7)/S1-C7 - 7 - <br />