Cotter Corporation (N.S.L.)
Cañon City Milling Facility
Cañon City, Colorado
Procedure
Radon Flux Measurement
Number: SOP-E-120
Page 2 of 8
Revision: 1
Date: --/--/--
RADON FLUX MEASUREMENT
1.0
PURPOSE
The purpose of this procedure is to standardize the methodology used to measure tailings
impoundment Radon-222 emanation rates following the protocol listed in EPA Method
115 at the Cañon City Milling Facility.
2.0
SCOPE
This procedure applies to the collection of radon flux samples and the measurement of
the radon emanation rate from the Cañon City Milling Facility’s Main Tailings
Impoundment.
3.0
REFERENCES
3.1.
Current Colorado Materials Radioactive Materials License.
3.2.
Quality Assurance Project Plan (QAPP), current version.
3.3.
Procedure SOP-E-160, Sample Handling and Tracking
3.4.
U. S. EPA Method 115-Monitoring For Radon-222 Emissions
3.5.
APPENDICES
3.5.1.
Routine Sample Analysis Table
3.6.
EXHIBITS
3.6.1.
GPS Location Worksheet
4.0
DEFINITIONS
4.1.
LACC
: Large area charcoal canister.
4.2.
Field Staff
: the sampling technician or other qualified individual designated by
the Environmental Coordinator (EC).
5.0
EQUIPMENT AND MATERIALS
5.1.
EQUIPMENT
Summary of Contents for sympHony
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