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PERMFILE113006
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PERMFILE113006
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Entry Properties
Last modified
8/24/2016 10:09:14 PM
Creation date
11/24/2007 10:10:49 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977248
IBM Index Class Name
Permit File
Doc Date
5/24/1994
Doc Name
Environmental Report
From
Blake Mining Co.
To
DMG
Media Type
D
Archive
No
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<br />TABLE - 3 <br />Instrument Technical Specifications <br />I <br />Minimum <br />:'.inimum Minimum Range, Calibration <br />Number Ecuirment type Maximum Sensitivity, etc. Frecuency <br />1 Beta-gamma dose rate 0.1 to 2,000 mr/hr every 6 <br />survey instrument months (by <br />manufacturer) <br />1 Gamma check source 8.0 uCi of 137Cs Leak tested <br /> once every <br /> 6 months <br />1 Count rate meter o to 50,000 cpm in 3 Quarterly <br /> with alpha ranges - 25 meter (in-house) <br /> scintillation increments per range <br /> probe <br />1 Portable count rate 0 to $00,000 cpm in Quarterly <br /> meter with alpha 4 ranges - 2$ meter (in-house) <br /> scintillation increments per range. <br /> probe <br />1 Scaler with alpha 0 to 999,999 counts Monthly <br /> scintillation timer 0.1 to 50 minutes (in-house) <br /> detector background generally <br /> < 1 cpm approximately <br /> 30~ efficiency <br />2 Lapel air samplers 8 hours of operation Quarterly <br /> at 1 to 3 lpm (in-house) <br />2 Alpha check and/or 0.011 1zCi~ of 230Th N/A <br /> calibration sources <br />1 Alpha calibration 1.0 }1Ci of ~39Pu Leak tested <br /> standard set and recert- <br /> ified once <br /> every year. <br /> (by manu- <br /> facturer) <br />1 Medium volume air 1 to $ cfm constant every 6 <br /> sampler flow pump months <br /> (in-house) <br />1 Air Flow calibrator Specifically designed every year <br /> for medium volume air (by manu- <br /> sampler factures) <br />- Thermoluminescent Q.A. and performance performed <br /> Dosimeters - TLD specifications will meet by vendor <br /> lOCFR50 Appendix-H, ANSI- <br /> ++5.2 and p,+.IL-Q-9858 <br /> requirements. <br />31 <br />
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