Contamination surveys for release of material

Abstract

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Minimum release survey requirements

“…WHC-IP-0718, Section 3.1.1, "Materi a1 Re1 ease Surveys" provides the Health Physics Technician (HPT) w i t h guidance and c r i t e r i a f o r performing and documenting radiological release surveys of material and equipment. The technical basis for the s t a t i s t i c a l methodology f o r release of material and equipment i s provided in PNL-9789, "Contamination Surveys f o r Release of Material," (Durham 1994). The MDA study (Johnson 1993) provides the data used t o determine the scan speed f o r surveying material /equipment and personnel.…”

Review of alternative residual contamination guides for the 324 Building B-Cell Cleanout Project. Phase 1

“…The one-sided tolerance interval is the most efficient tool for determining the minimum ratio of 137Cs to ?3r. The one-sided tolerance interval has been previously used as the basis for a technique for performing contamination surveys for release of material (Durham et al 1994). …”