Preliminary level 2 specification for the nested, fixed-depth sampling system | Zendy

R.M. BOGER | Zendy

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Preliminary level 2 specification for the nested, fixed-depth sampling system

Author(s) -

R.M. BOGER

Publication year - 1999

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/781501

Subject(s) - sampling (signal processing) , volume (thermodynamics) , component (thermodynamics) , sample (material) , environmental science , computer science , engineering , telecommunications , chemistry , physics , chromatography , thermodynamics , quantum mechanics , detector

This preliminary Level 2 Component Specification establishes the performance, design, development, and test requirements for the in-tank sampling system which will support the BNFL contract in the final disposal of Hanford's High Level Wastes (HLW) and Low Activity Wastes (LAW). The PHMC will provide Low Activity Wastes (LAW) tank wastes for final treatment by BNFL from double-shell feed tanks. Concerns about the inability of the baseline ''grab'' sampling to provide large volume samples within time constraints has led to the development of a nested, fixed-depth sampling system. This sampling system will provide large volume? representative samples without the environmental, radiation exposure, and sample volume Impacts of the current base-line ''grab'' sampling method. This preliminary Level 2 Component Specification is not a general specification for tank sampling, but is based on a ''record of decision'', AGA (HNF-SD-TWR-AGA-001 ), the System Specification for the Double Shell Tank System (HNF-SD-WM-TRD-O07), and the BNFL privatization contract

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