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<br />DEPARTMENT OF PLANNING AND DEVELOPMEM <br />Mr. Robert L Siegrist <br />Siegrist Companies <br />6999 York St. <br />Denver, CO 80229 <br />December 2.1993 <br />Re:Notice to Proceed for Inert Fill, Case 120-85-C(A-2) <br />Dear Mr. Siegrist: <br />The inert fill located at 132nd Ave. and Nome St. meets the Colorado Department of <br />Health <CDH) standards, Item II part A, in their Draff Document Policy/Guidance for Inert <br />Fills Issued on October 20, 1993. <br />Adams County Case No. 120-85-C(A-2) also permits the use of inert fill for this sffe. <br />Conditions Precedent No. 3 required an operations plan. The operations plan submitted <br />December 16, 1987 in letter form, was. at that time sufficient. It is not clear if this <br />operations plan is sufficient now under the new CDH regulations for solid waste, 6 CCR <br />1007-2 effective October 9, 1993. <br />Adams County will not require any other conditions to be met for this Notice to Proceed, <br />however, current CDH regulations require significant standards to be met for closure of a <br />facility such as this. <br />The ground water monitoring required in closure is not mandatory, but to obtain a waiver <br />from CDH it must be demonstrated that there a an adequate screening process in effect <br />to prevent any unauthor¢ed waste from being placed in the fill, and that fill material is no <br />threat to the ground water. <br />fie waiver procedure for water monitoring is under Sections 2.2, 1.5 and Append'oc'B' in <br />the CDH Regulations 6 CCR 1007-2. Please contact CDH for their determination of the <br />adequacy of the December 16, 1987 operations plan letter for obtaining a waver. <br />Adams County will be expecfing to hear either from CDH conceming an application for <br />a waiver or from your representative concerning a plan for closure of this site. <br />-Sincerely, <br />Craig Tes er <br />Acting, Environmental Analyst <br />cc: Case # 120-85~(A-2) <br />J. Peter Laux, CDH <br />Michael C. Refer, ECC Construction / <br />Robert Fleming, ADCO Consulting / <br />Director, Planning and Development <br />4955 EAST 74TH AVENUE COMMERCE CRY, COLORADO 80022-1535 <br />(JOJ) 287.5249 <br />FAX (JOJ) 289-7202 <br />BOARD OF COUNTY EWNE T. VAIENTE GUILLERMO A. DEHERRERA HAROID E KRE ~~ <br />COMMISSIONERS: DISTRICT 1 D5R21Ci2 D6R21Cr3 <br />PEOPLE. PRIDE AND PROGRESS ~ ~"IIf~OOM <br />v~cm~ run <br />n v n m a c. u u n I Y, C O L O R A D O <br />