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NSP SPILL PREVENTION CONTROL AND <br />COUNTERMEASURE PLAN (SPCC PLAN) <br />Substations-Goneral <br />Introduction <br />The U.S. Environmental Protection Agency (E.P.A.) issued a <br />"Petroleum Pollution Prevention Regulation" in 1974. NSr <br />prepared an SPCC Plan to conform with this regulation dated <br />July 10, 1974. This is a revision of ghat plan. The <br />regulation required preparation of an S`CC Plan for all <br />above-gro.ind single oil storage containment of 660 gallons <br />or more, or acigregate oil storage of 1,320 gallons or more. <br />Since transformers, regulatoos and oil circuit breakers may <br />be considered oil storage facilities under the regulation, <br />all substations should be considered as having oil storage <br />equal -c 'eater than these minimums. NSP's Environmental <br />and P.e,- Actvities Department (ERAD) is responsible <br />for all environmental incidents t, the proper <br />agenci.:s <br />The EPA and U.S. C.,)tst Guard require notification of any oil <br />discharge that threatens water. In Minnesota, the Minnesota <br />Pollution Control Ac;ency (PCA) does not require preparation <br />of a plan; however, they do require notification of any oil <br />discharge that exceeds five -allons and/or threatens water. <br />Other states in our service a.:: -:a are notified of reportable <br />discharipa. This pl,=,n will take into cons:aeration the <br />regul 's of both the EPA and the state environr._ntal <br />agencies. <br />This plan covers all NSP (Minnesota Company) substations <br />including the Cooperative Power Association (CPA) owned <br />substations, which we operate and/or maintain, and mobile <br />substations at substation locations, with two exclusions: <br />1. Fifth Street Substation <br />2. Substations at power production plan'-.s, <br />except the fG1.lowing peaking plants: Blue <br />Lake, Granite City, Inver Hills, and west <br />Faribault. <br />The installation of structures or equipment as described in <br />40 CFR 112.7 (c) are not practical at p:ch substation loca- <br />tion. However, NSP's complement of manpower and equipment <br />is immediately available for response i.i spill situations to <br />control and remove any harmful quantities of oil discharged. <br />DISr i/(DPO-B-2)/SPC2 - <br />