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Title: Preliminary evaluation of the gaseous effluent sampling system at the 296-S-18 stack, 242-S evaporator

Technical Report ·
DOI:https://doi.org/10.2172/6527439· OSTI ID:6527439

This evaluation of the 296-S-18 stack sampling system is part of a larger study, sponsored by ARHCO and conducted by Battelle-Northwest, of gaseous effluent sampling systems in ARHCO facilities. It is the fourth and last in a series of evaluations of tank farm stack sampling systems. The objectives of this study are: Evaluate the compliance of the existing effluent particulate sampling system with ARHCO's Interim Criteria for such systems by using sampling theory and radioactivity counting statistics; and make recommendations for corrective action which will lead to a particulate sampling system in compliance with the Interim Criteria. This study is considered preliminary because no experiments have been conducted to verify the sampling system's performance. The following report includes a brief summary, a detailed description and evaluation of the sampling system, conclusions about satisfactory or deficient areas of the sampling system and recommendations for corrective action. The appendices contain a copy of the Interim Criteria and the applicable ARHCO Emergency Procedure for radioactive gaseous discharges.

Research Organization:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE; USDOE, Washington, DC (United States)
DOE Contract Number:
AC06-76RL01830
OSTI ID:
6527439
Report Number(s):
PNL-8553; ON: DE93009500
Country of Publication:
United States
Language:
English