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HYDRO25613
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Last modified
8/24/2016 8:45:18 PM
Creation date
11/20/2007 5:43:56 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1994117
IBM Index Class Name
Hydrology
Doc Date
4/19/1999
Doc Name
SUBMITTAL OF 1ST QTR 1999 WATER QUALITY SAMPLING GOLD HILL MILL PN M-94-117
From
ITEC MINERAL
To
DMG
Media Type
D
Archive
No
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M: ~- <br />G <br />McCulley <br />Frick & <br />Gilmcn.,n~ <br /> <br />provlding environmental <br />consulting antl <br />engineering services <br />ITEC Environmental Colorado, Inc. <br />9605 West 49th Avenue <br />Suite 102 <br />Wheatridge, CO 80033 <br />Attention: Ms. Maxine Stewart <br />RE: GOLD HILL MILL -Gold Hill, CO <br />FLRST-QUARTER 1999 <br />COMPLIANCE SURFACE & GROUND WATER MONITORING <br />Dear Ms. Stewart: <br />303/447-1823 <br />Fax: 447-1836 <br />March 26, 1999 <br />MFG Project 5461 <br />This letter report documents the field activities conducted by McCulley, Frick & G ilman, Inc. (MFG) <br />in connection with the first-quarter 1999 groundwater monitoring at the Gold Hill Mill project site (Site) near <br />GoIdHill,Colorado. Thesemonitoringactivitiesareinfulfillmentofrequirementsforquarterlycompliance <br />monitoring ofgroundwater and surface water near the Gold Hill Mill, as required by the Colorado Division <br />ofMineralsandGeology. MonitoringactivitieswereperformedinaccordancewithMFGStandardOperating <br />Procedures (SOPS), adapted as necessary to accommodate as-encountered field conditions. <br />FII2ST-QUARTER GROUNDWATER SAMPLING <br />Groundwater sampling activities were conducted at the Site by MFG personnel on March 25, 1999. <br />Groundwater samples were collected from four monitoring wells (Well # 1, Wel I #2, Well #3, and Well #4). <br />Additional groundwater samples were taken from the Hazel A adit dewatering discharge hose at the mill <br />tailings pond and the fresh water holding tank located inside the mill building. The fresh water holding tank <br />is fed by groundwater pumped from the Wynona mine and therefore represents the Wynona groundwater <br />sample. Respective sampling locations are shown on Figure 1. <br />Initial water levels for each well were measured to the nearest 0.01 foot from the top of the well <br />casing(TOC)usingaSolinstelectronicwater levelmeterpriortocommencingthesamplingprocedures. The <br />water level probe was decontaminated at the beginning of the sampling event and prior to sampling each <br />subsequent monitoring well. Decontamination was accomplished by washing the probe with anon-phosphate <br />detergent and distilledwatersolution,andrinsingtwicewithdistilledwater. Waterleveldataobtainedduring <br />the first-quarter is presented in Table ],attached. <br />After measuring the water level in each well, the respective wells were sampled by lowering a <br />dedicated polyethylene bailer, suspended by nylon rope, into the well. Due to the large casing diameters <br />~! <br />4900 Pearl Eosi Cvcle <br />Suite 300w <br />Boulder, Colorado 80301 <br />3c9 <br />California • Colorado Idano • Massachusetts • Montana New Jersey New Mexico • Pennsylvania Texas • Washington !~. <br />
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