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GENERAL47969
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GENERAL47969
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Last modified
8/24/2016 8:23:32 PM
Creation date
11/23/2007 3:58:53 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981025
IBM Index Class Name
General Documents
Doc Date
3/24/2003
Doc Name
Proposed Decision & Findings of Compliance for SL5
From
Partial Phase III
Permit Index Doc Type
Findings
Media Type
D
Archive
No
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reclaimed areas in 211(11) was 46.6°a. Deer halfag:un (172°'0) of th:d required. Vegetation cover ort <br />the reclaimed areas ut 2001 was da:urnentecl as 54.4" i,, nearly twice 119+>"0l of that rcywred. <br />These sampling reports were validated by the visual assessments made during the August 6, <br />21N12.inspcction. <br />:AVF Agricultural Pnxluctivity <br />One sample point of the vcgct:uion surveys was purposely located in the AV F pumon of the <br />reclaimed conveyor condor. Prcxiuction of the sample taken from the AVF was 73.3 gn+nts per <br />half square meter in 2018) (h times the reyuircd- mtJ 41.6 grams per half square meter l5 times <br />the required) in 21N)l .These sampling rcfxirts were <br />assessed visually during the August 6. 2(Ht2, inspection <br />Iphotugraph). The corridor is indistinguishable. at the <br />time of the Phase III Bond Rclcase inspection, from <br />undisturbed :ueas of the .AVf~. <br />Contribution of Suspended Solids <br />\o infomtation was found in Jocuntcntation that ,would <br />inhibh approval o(the revised Apphcauon. A review of <br />former bond release applications validated that areas for <br />which Phase III BonJ Rrlcasc had hcen requested in this <br />:lpplication had hccn previous!) :+ppro~cd tier Phase I any! <br />Phase II Bond Release:. Thcrc is nu uulication in monthly <br />('DA4G inspection rc)x,rts or Colorado Dcpartntcnt of <br />Health and Gnvironmcnt (CDPHEI ('olorado Discharge <br />Monitoring Reports ICDh1Rs) that there have txen <br />contribution of total suspended solids to receiving strcaro> .,hh~\ e I1:1i11I .:~ iulltl i:I~~IIa ~`:Iltr <br />monitoring information nxiicaad no recorJ of surface nmotT beutg discharged tiom c~tsung <br />sedimentation ponds to receiving waterways. At the time of the Pharr IIl inspection- them was no <br />runotl; no evidence of pollution of surface water, and no visual evidence of subsurface water <br />pollution from areas reyucsled for Phase III Bond Release via thc:~pplication. "There Jid not <br />appear to be any degradation of vegetation cover described in curlier I'hasc I I t3ond Rclrue <br />Findings, and no erosion tiauucs were noted at the site.'Fhcre was no indication of contributions <br />of suspended solids to rcccivmg strcants fran pemtancnt structures. Thcrc were no indications of <br />future occurrences of pollution. <br />The Ievcl of suspended solids from reclaimed arc:~s w:u demontrtted in 1992 us being Icss than <br />from the reference area. This demonstration was the basis of the Sl.-t14 Phase II hond release. <br />Ground cover is greater than vegetation cover, in that dchns and rocks also provide protection. <br />The ground cover during the 2(10(1 satpling was 91 AO°-o in the reclaimed areas and 74.87°-o in <br />the reference arra, a 16.53"'u difference in favor o(thc rcclauned areas. fhe grounJ cover during <br />the 2001 sampling was 89.28'So in the reclaimed areas and 70.60" o in the rofcrcnce area, an <br />Sl. 05, ('-81-025, March 24.2ou3 <br />Page 17 of 2G Pages <br />
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