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HYDRO26015
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Last modified
8/24/2016 8:45:34 PM
Creation date
11/20/2007 6:09:39 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980233
IBM Index Class Name
Hydrology
Doc Date
10/10/1996
Doc Name
COSTILLA LANDFILL PIT COSTILLA CNTY COLO
From
GREYSTONE
To
DMG
Media Type
D
Archive
No
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Mr. Lames C. Stevens <br />October 7, 1996 <br />Page 2 <br />Laboratory results indicate that samples obtained from wells MW1 and MW4 were below <br />detection limits for pesticides, PCBs, herbicides, semi-volatile organics, and volatile organics. <br />TDS were within the acceptable range for groundwater. The remaining analyzes, identified in the <br />Human Health Standards and Secondary Drinking Water Standards tables with The Basic <br />Standards for Groundwater either were below the method detection limits or below the respective <br />standards. Analytical results for the Human Health Standards and Secondary Drinking Water <br />Standards are summarized in Tables 1 and 2 respectively. Copies of the laboratory report and <br />chain-of-custody form are attached. <br />Groundwater elevations were measured in the monitor wells on September 5, 1996. The top, <br />north side of the well casings were used as the reference elevation point to measure depth to <br />groundwater. Groundwater elevations were calculated using the measured groundwater elevation <br />data and the surveyed well casing elevations. The groundwater level measurements collected <br />during the site visit are included in Table 3. A groundwater gradient and flow direction was not <br />determined because only two monitor wells contained water. <br />Greystone appreciates the assistance of the Division of Minerals and Geology with this project. <br />If you have any questions, please contact me at (303) 850-0930. <br />S' cerelny,~ <br />Q.G~-~ <br />ay Faliskie <br />Senior Project Manager <br />RF/ss <br />Enclosures <br />cc: Mr. Robert Vasquez, Costilla County <br />~ooz~istlx~asau uonive <br />
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