Assessment of the LV-C2 Stack Sampling Probe Location for Compliance with ANSI/HPS N13.1-1999

Glissmeyer, John A.¹  Antonio, Ernest J.¹  Flaherty, Julia E.¹ 

[1] Pacific Northwest National Lab. (PNNL), Richland, WA (United States)

关键词: AIR SAMPLERS;    HANFORD RESERVATION;    RADIOACTIVE WASTE PROCESSING;    SCALE MODELS;    PROBES;    AIR FLOW;    DUCTS;    VELOCITY;    TESTING;    EVALUATION;    COMPLIANCE;    AEROSOL MONITORING;    TANKS;    EXHAUST SYSTEMS;    RADIOACTIVE WASTE FACILITIES;    DESIGN;    LOW-LEVEL RADIOACTIVE WASTES;    STACKS;    RADIOACTIVE EFFLUENTS;   

DOI  :  10.2172/1248438
RP-ID  :  PNNL--24467
RP-ID  :  WTP--RPT-236-REV.0
PID  :  OSTI ID: 1248438
Others  :  Other: 830403000
Others  :  TRN: US1601269

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来源: SciTech Connect

【 摘 要 】

This document reports on a series of tests conducted to assess the proposed air sampling location for the Hanford Tank Waste Treatment and Immobilization Plant (WTP) Low-Activity Waste (LAW) C2V (LV-C2) exhaust stack with respect to the applicable criteria regarding the placement of an air sampling probe. Federal regulations require that a sampling probe be located in the exhaust stack according to the criteria established by the American National Standards Institute/Health Physics Society (ANSI/HPS) N13.1-1999, Sampling and Monitoring Releases of Airborne Radioactive Substances from the Stack and Ducts of Nuclear Facilities. These criteria address the capability of the sampling probe to extract a sample that represents the effluent stream. The tests were conducted on the LV-C2 scale model system. Based on the scale model tests, the location proposed for the air sampling probe in the scale model stack meets the requirements of the ANSI/HPS N13.1-1999 standard for velocity uniformity, flow angle, gas tracer and particle tracer uniformity. Additional velocity uniformity and flow angle tests on the actual stack will be necessary during cold startup to confirm the validity of the scale model results in representing the actual stack.