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silo 3 - U.S. Department of Energy

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- ___ --<br />

EN 0 I N E E R I N G@<br />

-Cai.cwlation- ~ __<br />

Project: 35H19605<br />

Calculation Number: 40430-CA-0003<br />

Page No3 <strong>of</strong> _18<br />

0 Filtration efficiency <strong>of</strong> cascade filtration system for particulate removal from Mechanical Retrieval<br />

System air stream: 99.9%, 99.97%.<br />

0 Filtration efficiency <strong>of</strong> cascade filtration system for particulate removal from Building Ventilation<br />

System air stream: 99.97%<br />

The PVS filter housings contain provisions for ultra low penetratiomair (ULPA) units. This calculation<br />

does not take credit for ULPA filters.<br />

0 A momentum discharge velocity <strong>of</strong> 3,495 ft/min corresponds to a discharge rate <strong>of</strong> 13,900 ft3/min<br />

during Phase 1. A momentum discharge velocity <strong>of</strong> 3,195 Wmin corresponds to a discharge rate <strong>of</strong><br />

12,700 fts/min during Phase 2.<br />

Rural exposure condition.<br />

Radiological properties and annual radioactive particulate and radon activity discharge per year<br />

calculated from initial waste concentrations.<br />

S<strong>of</strong>tware:<br />

Title<br />

Clean Air Act<br />

Assessment Package<br />

88<br />

I I<br />

Developer I ' Versions<br />

Barry Parks, Health Physicist, U.S.<br />

<strong>Department</strong> <strong>of</strong> <strong>Energy</strong>, <strong>Energy</strong><br />

Research (ER-83), Laboratory<br />

Operations and ES&H, 9901<br />

Germantown Road, Germantown,<br />

Maryland, 20874-1290<br />

00021.5<br />

2.0, CAP88-PC<br />

Revision Level<br />

NIA<br />

. .- - --<br />

4<br />

4<br />

4

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