Showing 1 - 10 of 4,530
manikin absorption (BOMAB) phantom for the US Department of Energy (DOE) to determine the consistency of calibration response … program. The study was initiated to determine calibration factors for both types of phantoms and to evaluate the suitability … of their use in DOE Laboratory Accreditation Program (DOELAP) round-robin testing. The BOMAB was found to be more …
Persistent link: https://www.econbiz.de/10009435665
The Primary Standards Laboratory (PSL) operates a system-wide primary standards and calibration program for the US … operation of the DOE/AL Standards and Calibration Program. Specific areas covered include development projects, improvement … DOE/PSL memoranda on the Standards and Calibration Program with emphasis on traceability of PSL calibrations. …
Persistent link: https://www.econbiz.de/10009435961
Standards (ISO), an organization similar to the American Society for Testing Materials, for acceptance as international …, and standards. Those documents subsequently considered suitable may be submitted to the International Organization for … standards. All ISO Procedures and standards which have been in effect for five years must undergo review by the initiating body …
Persistent link: https://www.econbiz.de/10009436000
In the United States of America, numerous organizations are writing standards and recommend practices for contamination … control and cleanroom applications. The American Society for Testing and Materials (ASTM), the Institute of Environmental … Sciences (IES), and various US Government agencies are among the organizations with a vested interest in publishing standards …
Persistent link: https://www.econbiz.de/10009435485
. The testing has included both performance tests to evaluate instrumental ability, and the measurement of matrix standards … use of internal standards and off-peak background subtraction. Both of these techniques are recommended by EPA SW-846 ICP …-ES methods and are common to current ICP-ES operations. Based on the testing and changes, the JY Model Ultima 170-C ICP …
Persistent link: https://www.econbiz.de/10009436684
This workshop was held to review the status of secondary level calibration accreditation programs, review related … involving radioactivity measurements. Contents include: fundamentals of measurement quality assurance (MQA), standards for MQA …
Persistent link: https://www.econbiz.de/10009435594
-linear physical measurement systems, bias can be directly quantified and removed using calibration standards. In hydrologic systems …, field calibration is often infeasible and bias must be quantified indirectly. We use a Monte Carlo error analysis to …
Persistent link: https://www.econbiz.de/10009435755
Measurements of calibration and bench standards as well as samples of ARG-1 that were performed by the DWPF Lab during … conducted for each preparation method using pairs of calibration and bench standards. No evidence of instrument drift at levels … of practical concern was seen in these data. Also, the replicates of calibration standards at the beginning of each …
Persistent link: https://www.econbiz.de/10009435843
used for high-rate photon calibration work, and a beta standards laboratory used for beta energy response studies and beta …The Radiological Standards and Calibrations Laboratory, a part of Pacific Northwest Laboratory (PNL), performs … calibrations and upholds reference standards necessary to maintain traceability to national radiological standards. The facility …
Persistent link: https://www.econbiz.de/10009436597
standards needed for calibration and QC activities? Statistical analyses of data from the calibration histories were performed …National Institute of Standards and Technology (NIST) traceable standard weights serve as the foundation of mass … measurement control programs. These standards are normally recalibrated annually at a cost of approximately $100 per weight. The …
Persistent link: https://www.econbiz.de/10009436779