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DOE-HDBK-3010-94
7.0 Application Examples; Production Support Lab Example
decisions reflect on the overall issue discussed in the first paragraph. In this case, however,
the explicit question is how many poorly definable assumptions need to be piled on top of
each other before the source term estimated is practically bounding? These types of
questions cannot be answered without carefully defining the purpose of the estimate within an
overall context. As previously noted, source term estimates are not capable of providing
proof of safety; they can only provide information that supports general bases for
decisionmaking.
7.3.11
Production Support Lab
Release topics explored in this example are listed in Table 7-14.
Table 7-14. Production Support Lab Example Topics
Liquid
Metal
Powder
Surface
Criticality
- Thermal stress
- Self-sustained
- Thermal stress
- HEPA thermal
- None
- Venting
- Accelerated
stress
superheated liquid
airflow parallel to
- Crush-impact
- Free-fall spill
surface
enclosed HEPA
- Resuspension
- Free-fall spill
filters
- Shock-impact
- Air turbulence
from falling debris
- Resuspension
7.3.11.1
Hazard Summary
The Production Support Lab conducts small sample analysis on materials generated in the
Plutonium Recovery Facility. There are eight lab rooms that conduct liquid sampling, solid
sampling, emission spectroscopy, mass spectrometry, thermogravimetric analysis, atomic
absorption testing, and raschig ring testing. Plutonium is present in gloveboxes in liquid
form in 20-ml glass sample vials and 2-l leftover sample collection jugs for recycle to
plutonium recovery processes. Solid plutonium is present in at most 10-g quantities in small
glass vials. Small amounts of plutonium in liquid and solid are also handled outside
containers as part of the analytical gloveboxes in the form of samples in transfer containers,
waste pails, and small counting planchettes containing trace quantities. Waste pails are sent
to the Plutonium Recovery Facility for storage.
The lab facility, while not characterized by heavy combustible loading, has more combustible
material than the processing lines in the plutonium recovery facility plutonium-handling
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