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Appendix CRF - Part 3 - Northamptonshire County Council

Appendix CRF - Part 3 - Northamptonshire County Council

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3 RESULTS<br />

3.1 Low density case<br />

Case<br />

NOT PROTECTIVELY MARKED<br />

Density = 1.0 g/cm 3 , specific activity = 200 Bq/g = 200 Bq/cm 3 .<br />

Dose Rate (Sv/hr)<br />

Curved cylinder face Flat cylinder face<br />

Contact* 100 cm 200 cm Contact* 100 cm 200 cm<br />

60 Co 91.65 6.019 1.95 98.35 4.766 1.465<br />

137 Cs 21.6 1.421 0.458 23.57 1.109 0.335<br />

Case<br />

Dose Rate (Sv/hr)<br />

Flat cube face<br />

Contact* 100 cm 200 cm<br />

60 Co 120.7 12.45 4.065<br />

137 Cs 27.6 2.875 0.925<br />

3.2 High density case<br />

Case<br />

Density = 2 g/cm 3 , specific activity = 200 Bq/g = 400 Bq/cm 3 .<br />

Dose Rate (Sv/hr)<br />

Curved cylinder face Flat cylinder face<br />

Contact* 100 cm 200 cm Contact* 100 cm 200 cm<br />

60 Co 109.2 7.293 2.316 123.9 5.682 1.654<br />

137 Cs 24.35 1.639 0.515 28.01 1.283 0.368<br />

Case<br />

Dose Rate (Sv/hr)<br />

Flat cube face<br />

Contact* 100 cm 200 cm<br />

60 Co 131.3 14.5 4.526<br />

137 Cs 28.72 3.261 1.01<br />

* Contact doses were located at 1 cm from the wasteform.<br />

WS010001/ENRMF/CONSAPP<strong>CRF</strong> 664<br />

6

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