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Surface Water Radiological Data
Annual Site Environmental Report for 1999
Table C.19 Radiological Effluent Data for Surface Water Location L 155
Downstream of the C-746-U Landfill
Analysis Units Minimum Maximum Average Count
Maximum
Count of of
Detections Detection
Limits
Alpha activity pCiIL NO ND NO 4 0 3.65
Beta activity pCiIL NO 20.5 9.69 4 3 5.71
Table C.20 Radiological Effluent Data for Surface Water Location L241
Downstream Little Bayou Creek
Analysis Units Minimum Maximum Average Count
Maximum
Count of of
Detections Detection
Limits
Technetium-99 pCiIL 27.8 79.3 50.3 6 6 20
Table C.21 Radiological Effluent Data for Surface Water Location L30S
Downstream Ohio River, Cairo, Illinois
Maximum
Analysis Units Minimum Maximum Average Count
Count of of
Detections Detection
Limits
Dissolved Alpha pCi/I.. NO NO NO 2 0 6.23
Dissolved Beta pCiIL NO NO NO 2 0 11.96
'Gamma I Activity pCiIL . 11900 16000 13950 2 2 52.2
Neptunium~237 pCiIL . NO NO NO 2 0 1.24
Plutonium-2391240 pCiIL NO NO NO 2 0 0.247
Suspended Alpha pCiIL ND NO NO 2 0 4.26
Suspended Beta pCiIL ND ND NO 2 0 8.24
Technetium-99 pCiIL NO NO NO 2 0 17.4
Thot:ium-230 pCiIL NO ND ND 2 0 0.76
;
Appendix C
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