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Page Title:
Table 4.9. What-If Analysis of Dock 8 HF Supply System (continued) |
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|  DOE-HDBK-1100-2004
Table 4.9. What-If Analysis of Dock 8 HF Supply System (continued)
LINE/VESSEL: Dock 8 HF Supply System
December 22, 1992
__ of __
DATE:
PAGE:
SCEN-
ARIO
WHAT IF
CONSEQUENCES
SAFETY LEVELS
COMMENTS
... N2 supply lost
N2 supply contaminated with HF ...
Check valves in N2 supply
5
line.
... Water pump fails
Liquid HF not vaporized, passed to
None.
6
Consider adding a low
temperature interlock on HF (N2)
fluidized bed reactor, off-spec or no
flow.
product.
... Piping or pigtail failure
Loss of containment, HF release, possible
None.
7
worker exposure via inhalation and skin,
possibly fatal.
... Material other than HF
Unknown (see Comments).
Procedure: sampling of
8
Prevention includes supplier's
received in cylinders
contents on receipt.
shipping procedures. Investigate
consequences of receiving
material other than HF.
39
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