UMETCO MINERALS CORPORATION
BACKGROUND/BASELINE
GROUNDWATER QUALITY
UMETCO URANIUM MILL
TAILINGS SITE
GAS HILLS, WYOMING
A PowerPoint Presentation
Presented in July 1995
By UMETCO Minerals Corporation/
Yancey & Associates
Title Slide
State Map
Local Map
Site Map
Geologic/Hydrologic Conditions UMETCO Uranium Mill Site
Conceptual Model Of Uranium Roll Front Deposit (After Devoto, 1978)
Contaminant Sources and Monitor Wells Gas Hills, Wyoming
Location Map
Key Points
Potential Sources of Background Water Quality Data
Location of Springs and Background Wells
Background Water Quality
Groundwater Protection Standards Gas Hills Uranium Mill Site (License Condition 35)
Nickel
Selenium
Uranium
Radium-226
Lead-210
Thorium-230
TDS in Groundwater
Aquifer Chemistry
Conclusions
Copyright 2003
Wyoming Mining Association
Revised: January 10, 2003
Oscar Paulson
