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Title: Tank Vapor Characterization Project: Tank 241-BX-104 headspace gas and vapor characterization results from samples collected on August 22, 1996

Technical Report ·
DOI:https://doi.org/10.2172/554199· OSTI ID:554199

This report presents the results from analyses of samples taken from the headspace of waste storage tank 241-BX-104 (Tank BX-104) at the Hanford Site in Washington State. Tank headspace samples collected by Westinghouse Hanford Company (WHC) were analyzed by Pacific Northwest National Laboratory (PNNL) to determine headspace concentrations of selected non-radioactive analytes. Analyses were performed by the Vapor Analytical Laboratory (VAL) at PNNL. Vapor concentrations from sorbent trap samples are based on measured sample volumes provided by WHC. Ammonia was determined to be above the immediate notification limit specified by the sampling and analyses plan (SAP). Total non-methane organic compounds was the principal flammable constituent of the Tank BX-104 headspace, determined to be present at approximately 0.310% of its lower flammability limit (LFL). Total headspace flammability was estimated to be <0.784% of the LFL. Average measured concentrations of targeted gases, inorganic vapors, and selected organic vapors are provided in Table S.1. A summary of experimental methods, including sampling methodology, analytical procedures, and quality assurance and control methods are presented in Section 2.0. Detailed descriptions of the analytical results are provided in Section 3.0.

Research Organization:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE Assistant Secretary for Environment, Safety, and Health, Washington, DC (United States)
DOE Contract Number:
AC06-76RL01830
OSTI ID:
554199
Report Number(s):
PNNL-11482; ON: DE97054303; TRN: 98:000031
Resource Relation:
Other Information: PBD: Aug 1997
Country of Publication:
United States
Language:
English