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PARTI <br />Page 10 <br />Permit No. CO-0000221 <br />A. TERMS AND CONDITIONS <br />4. <br /> <br />The permitttx may rue the time for im~e~,b,gation to conduct a PICI or move directly into the T1E. A PTI consists of a t rief <br />scotch for possible sources of WET, which [night reveal cases of such toxicity and appropriate corrective actions mote <br />simply and cost effectively than a formal TIE. ff the PIT allows resolution of the WEI' incidem, the TIE [teed not <br />necessarily be conducted. If, however, is not identified or resolved during the PTT, the TIE must be conducted <br />within the allowed 1?A day time frame. <br />Any permittee that is required m conduc~ a P77/I'IE investigation shall do so in conformance with procedures identifie~l in <br />[he fOllowing docnmems, OI as subsequently updated: 1) Mrrhnds fnr A~~ati Tnzi iry idenrifi arinn Fvah~arin c, Pha Sr I <br />Tnziri (hararirrirarinn Pr eAnr'c, E~A/fi00/691/003 Feb. 91 and 2) Methrvlc fnr Atpmrir Tnzirity Idenrifiatinn <br />Fvalnatinnc Phase P Tnririrv Identifiratinn Prncednree, EPA/6T0/3-88/035 Feb. 1989. <br />A th1ld dncumem In this SeIles 15 Methods fnr Amurir Tnz~city id~nrifirarinn FvalnaNnrtc, Phase fR Tnzicini ('nnf <br />Prn~, EPAlb00/3-88/036 Feb. 19l~9. As indicated by the title, this procedure is intended to confirm that the <br />suspected toxicam is truly the toxicant. ~ investigation is optional. <br />Within 90 days of the determination of the toxicant or no later titan 210 days after demonstration of toxicity, whichever is <br />sooner, a control program is to be develt~ped and received by the Division. The program shall set down a method and <br />procedure for elimination of the toxicity acceptable levels. <br />e. Rrmvet Fnr Rrlirf <br />The permittee may request relief from <br />Division has determined suitable trean <br />material sufficient to establish the follt <br />i. It has cotnplicd with terms and cunt <br />appropriate conditions as may have <br />ii. Daring the period of the mxiciry int <br />case of a POTW, pretreatment requ <br />iii. Duringthc period of the toxicity int <br />treatment and control; and <br />iv. Despite the circumstances <br />could not be located or re! <br />ter investigation and testing where the toxicant has not been determined at±~ <br />does not appeaz possible. In requesting such relief, the permittee shall sub: <br />of the permit compliance schedule for the PTI/IIE invutigation and otter <br />required by the Division; <br />it has been in conrpliaa with all other permit conditions, including, in ehe <br />it has properly maintained and operated all facilities and systtms of <br />in pazagraphs (i) and (iii) above, the source and/or cause of toxicity <br />If deemed appropriate by the Division, t~te permit or the compliace schedule tna}~ be modified to revise the ongoing <br />monitoring and toxicity investigation re ements to avoid an unproductive expenditure of the permittee's resources, <br />provided that the underlying obligation t eliminate any continuing exccedance of the toxicity limit shall remain. <br />f. Spnnranenns Dicappearanre <br />If toxicity spontaneously disappeazs at <br />14 days of a demonstration of disappa <br />submit additional information which rr <br />toxicity is identified or recurring toxic <br />WET testing shall resume. <br />y time after a test failure, the permittee shall notify the Division in writing vv thin <br />nee of the toxicity. 7bc Division may require the permiuee to develop and <br />include, but is not limited [o, the results of additional testing. If no pattern c f <br />is not identified, the toxicity incident response is considered closed and nortral <br />Corrected <br /> <br />