Linde 2000 Perimeter Air Sampler Results
(Alpha Isotopic Analysis)
(Dose in mrem)
Sample Location	Jan	Feb	March	April	May	June	July	Aug	Sept	Oct	Nov	Dec	Dose for 6 Months
Perimeter 1	--	--	--	--	--	--	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
Perimeter 2	--	--	--	--	--	--	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
Perimeter 3	--	--	--	--	--	--	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
Perimeter 4	--	--	--	--	--	--	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
Perimeter 5	--	--	--	--	--	--	< 0.01	< 0.01	< 0.01	0.02	< 0.01	< 0.01	0.02
Perimeter 6	--	--	--	--	--	--	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	0.01	0.01
Perimeter 7	--	--	--	--	--	--	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
Perimeter 8	--	--	--	--	--	--	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	0.23	0.23
Perimeter 9	--	--	--	--	--	--	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
Perimeter 10	--	--	--	--	--	--	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
		--	Pre-Operational Period, no dose calculations are applicable.
Regulatory Guidance = 50 mrem/yr			(see 10 CFR 20 Appendix B)
USACE Action Limit = 10 mrem/yr			(Suggested ALARA goal, 385-1-1, 3 September 1996)
The natural background radioactivity measured at the Sheridan Park water tower was subtracted from the measured radioactivity
at each sampler prior to calculating dose.