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iii iiuiiiiiiiii iii <br />TRAPPER MINDYG UVC <br />SPQ.L PREVENTION CONTROL AND COUNTERMEASURE PLAN <br />Ta meet the requirements of Faderal Regulation, Title 40, Protection of the Environment, Chapter I (Environmental <br />Protection Agettry), Subchaptu D (Ware Progrartt); Part l l2 (Ail Pollution Prevention), Trappe Mining Inc. prepared <br />s Spill Prevention Control and Countermeawre Plan in 1981. That SPCC plan has been modified in 1987, 1990, 1993, <br />and again in 1996, to reflect the changes in the facilities at Trappe ooverod by these regulations. <br />The following paragraph headings refu to the guidelines set Conh in Section 112.7 of the abovementioned regulations. <br />112.7 <br />(a) This facility experiertoed no spill events within the 12 months prior to Ute effective date of this part (January <br />10, 1974). <br />(b) The following table is an estimate of the predicted directions, rates of IIow, and total quantity of oils which <br />could be spilled from this facility as a reaUt of a surface tank failure, based on a one-hour interval m drain the <br />tank (see attached map for site locations): <br /> DCRECTiON OF FLOW RATE OF FLOW TOTAL <br />1 Southwest 333gpm 20,000 gal <br />2 Southwest 1,667 gpm 100,000 gal <br />3 South 250 gpm 15,000 gal <br />4 South 4.2 gpm 250 gal <br />S Southwest 8.3 gpm 500 gal <br />6 NorlheatiY 267 gpm 16,035 gal <br />7 Northeast 167 gpm 10,000 gal <br />(c) All tank sites except #4 and #5, which are sufficiently small and of suffident distance from tite others to be <br />exempt from this plan, are sartamdod with compacted earthen drkes designed W contain the entire volume of <br />the largest single tank with additional voltrme added to allow for storm water. The banks of the dikes arc <br />sloped t0 minimi~r e~jon <br />Site #6 is a waste accumulation site. Small tptantides of waste are scared in SS-gallon drums and <br />include waste gear oil, waste grease, etc., and a 15,000-gallon waste aati5roue tank. All coutainets are <br />appropriately marked. <br />This site is a 70'x70'x8" concrete pad enclosed by a 12"x8" concrete stem wall. A six foot high chain-link <br />fence surrounds the storage area controlling acttss to the area. <br />(eX2Xi) Normal storm caste or snowmelt accumulation within the earthen dikes normally either evaporates or <br />percolates. Should excessive water aaarmulate or should a tank fail, portable pumps stored on the property <br />would be used W drain the area. Records of all drainages will be kept at least (]tree years. The record form for <br />all drainages from diked areas is shoav as Attachment A <br />(eX2Xi) The construction of and material used in all storage tanks at the facility are compatible with the material <br />stored in them <br />(eX2Xii)All rronfiuried tanks with volumes greatu than 660 gallons are enclosed with earthen dikes sufficiently <br />impermeable to contain a spill until they can be removed The shopJwarehotue storage area has provisions Cor <br />drainage to a waste pond. In the event of a spill. rho oil is routed into a lagoon containing a confinement boom. <br />4-1.8 b. <br />