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REP12513
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REP12513
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Last modified
8/24/2016 11:43:12 PM
Creation date
11/27/2007 12:55:27 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1988112
IBM Index Class Name
Report
Doc Date
9/9/1993
Doc Name
TRANSMITTAL OF THIRD PARTY MONITORING REPORT APRIL 28-29 1993
From
DMG
To
BATTLE MOUNTAIN RESOURCES INC
Media Type
D
Archive
No
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<br />1.0 INTRODUCTION <br />This report summarizes the results from the third third-party monitoring trip to Battle <br />Mountain Resources, Inc.'s (BMRI) San Luis Gold Project in Costilla County, Colorado, <br />which took place on April 28 and 29, 1993. The report contains information on: summary <br />and assessment of sampling activities; summary and assessment of analytical activities, and <br />recommendations for future sampling. The following documentation and data are included <br />as appendices in this report: Sampling Observation Documentation, consisting of copies of <br />5eld notes (Appendix A); Chain-of-Custody Documentation (Appendix B); Analytical <br />Results, consisting of verbatim analytical results from Core Laboratories (Appendix C); <br />Laboratory Quality Control Report (Appendix D), and Letter from Core Laboratories <br />regarding reanalysis of samples for Total and WAD cyanide (Appendix E). <br />2.0 SUMMARY AND ASSES5MENT OF SAMPLING ACTIVITIES <br />One surface water location, three process points and three groundwater wells were sampled <br />during the April 28-29, 1993 sampling trip. The sampling locations were: RS-S in the Rito <br />Seco Creek; the lower tailings pond; the upper tailings pond, the collection ppnd, well M-9, <br />well M-12 and well M-13. Four field quality control (QC) samples were taken: one field <br />blank, one rinse blank (taken before filtration of Upper Tailings Pond sample), and two <br />duplicates: at the collection pond and at well M-13. A summary of the types of samples <br />collected at each location and the analytes determined is provided in Table 1. An <br />assessment of the sampling activities is provided below. <br />The weather on both April 28 and 29 was partly sunny with broken clouds and some gusts <br />of wind, with temperatures in the 60-65°F range. Rito Seco Creek was fairly high from snow <br />melt and quite turbid but was not covered with ice. Battle Mountain Resources was routing <br />process water to the lower tailings pond during the sampling trip, and there was much more <br />particulate matter in the lower tailings pond sample compared to the upper tailings pond. <br />The collection pond water was very green with the same unidentified precipitate that was <br />noticed on previous sampling trips. <br />All samples for cyanide determinations were stored in azip-lock bag before putting in cooler <br />to avoid potential cross-contamination of samples. All process point samples were placed <br />in one cooler, RS-5 and blanks in a second cooler and the groundwater samples in a third <br />cooler. These precautions were taken because it was suggested that the positive detect in <br />well M-13 from the first thud-party sampling trip may have been caused by cross- <br />contamination. The groundwater pump was working on this sampling trip, and all <br />groundwater locations were successfully sampled. The pH electrode broke sometime on <br />April 29th, and the pH of wells M-12 and M-13 were not able to be taken. <br />RCG/Hagler, Bailty, Inc <br />
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