Liquid Scintillation Counter
|
|
- Olivia Bond
- 5 years ago
- Views:
Transcription
1 Instrumentation & Methods: s & Tritium Richard Sheibley Pennsylvania Dept of Env Protection Principle Beta particle emission Energy transferred to Solute Energy released as UV Pulse Intensity proportional to beta particle initial energy Low energy beta emitters Tritium 3 H Iodine 125 I, 129 I, 131 I Radon 222 Rn Nickel 63 Ni Carbon 14 C 1
2 Energy Spectrum Isotope specific Beta particle Neutrino Total energy constant Components Vial with Sample + Scintillator Photomultipliers Multichannel Analyzer Timer Data collection & Output Variables Temperature Counting room Vial type glass vs. plastic Cocktail Energy window 2
3 Other considerations Dark adapt Static Quenching Interferences Chemical Absorbed beta energy Optical Photon absorption Instrument Normalization Photomultiplier response Unquenched 14 C Standard 3
4 Performance assessment Carbon-14 Efficiency Tritium Efficiency Chi-square Instrument Background Method QC Background Reagent background Efficiency Method Quench correction Tritium 3 H (EPA & SM H B) Prescribed Procedures for Measurement of Radioactivity in Drinking Water EPA August 1980 Standard Methods 17 th, 18 th, 19 th & 20 th 4
5 Interferences Non-volatile radioactive material Quenching materials Double distill eliminate radium Static Fluorescent lighting Tritium 3 H Method Summary Alkaline Permanganate Digestion Remove organic material Distillation Collect middle fraction Liquid Scintillation Counting Calibration Method Raw water tritium standard Distilled Recovery standard Background Distilled Deep well water Distilled water tritium standard Distilled water to which 3 H added Not distilled 5
6 Instrument Calibration Calibrate each day of use Instrument Normalization Performance assessment Carbon-14 Efficiency Tritium Efficiency Instrument Background NIST traceable standards Calculations 3 H(pCi/L) = (C-B)*1000 / 2.22*E*V*F Where: C = sample count rate, cpm B = background count rate, cpm E = counting efficiency F = recovery factor 2.22 = conversion factor, dpm/cpm Calculations Efficiency: E = (D-B)/G Where: D = distilled water standard count rate, cpm B = background count rate, cpm G = activity distilled water standard, dpm 6
7 Calculations Recovery correction factor F = (L-B) / (E*M) Where: L = raw water standard count rate, cpm B = background count rate, cpm E = counting efficiency M = activity raw water standard (before distillation), dpm Quality Control Batch Precision: Sample duplicate OR Matrix spike duplicate Calculate relative percent difference Calculate control limits Should be < 20% Frequency 1 per 20 Quality Control, continued Accuracy Laboratory fortified blank Matrix spike sample 2 10 Xs detection limit Reagent background < detection limit Instrument drift 7
8 Quality Control, continued Daily control charts Acceptance limits Corrective action Preventative maintenance Standard Operating Procedure Written Reflect actual practice Standard format EMMC or NELAC Demonstration of Proficiency Initial Method detection limit MDL 40 CFR 136, Appendix B Alternate procedure 4 reagent blanks < Detection limit (DL) 4 laboratory fortified blanks (LFB) DL < LFB < MCL Evaluate Recovery and Standard Deviation against method criteria 8
9 Demonstration of Proficiency Ongoing Repeat initial demonstration of proficiency Alternate procedure 4 Reagent blanks and laboratory fortified blanks Different batches Non-consecutive days Blank < Detection limit (DL) LFB met method precision and accuracy criteria 9
Working Copy. P /ru /,6. 8-tt tt. EffectiveDate: I ^, Operation and Calibration of the Tri-Carb Liquid Sclntillation Counter QAM-RI.106.
QAM-RI.106 Operation and Calibration of the Tri-Carb Liquid Sclntillation Counter Revision: 0 Laboratory Man ager/lqao/rso Date Date EffectiveDate: I ^, P /ru /,6 8-tt tt Renewal Date: lnitials: Texas
More informationLaboratory ID. Laboratory Name. Analyst(s) Auditor. Date(s) of Audit. Type of Audit Initial Biennial Special ELCP TNI/NELAP.
NEW JERSEY DEPARTMENT OF ENVIRONMENTAL PROTECTION OFFICE OF QUALITY ASSURANCE ENVIRONMENTAL LABORATORY CERTIFICATION PROGRAM ON-SITE LABORATORY EVALUATION RADIOCHEMISTRY PROCEDURES Gross Alpha-Gross Beta
More informationGross Alpha-Gross Beta Analysis in Water by Liquid Scintillation Counting (LSC)
Gross Alpha-Gross Beta Analysis in Water by Liquid Scintillation Counting (LSC) Bob Read, Ph.D. Director, Environmental Chemistry Laboratory Tennessee Department of Health Division of Laboratory Services
More informationPerfluorinated Alkyl Acids (PFAA) in Water by LC/MS/MS - PBM
Organics Revision Date: July 19, 2017 Perfluorinated Alkyl Acids (PFAA) in Water by LC/MS/MS - PBM Parameter Perfluorinated Alkyl Acids (Perfluorobutane Sulphonate (PFBS), Perflourooctane Sulphonate (PFOS),
More informationTECHNETIUM-99 IN SOIL
Analytical Procedure TECHNETIUM-99 IN SOIL 1. SCOPE 1.1. This procedure describes a method to separate and measure technetium-99 in soil. 1.2. This method does not address all aspects of safety, quality
More informationTECHNETIUM-99 IN WATER
Analytical Procedure TECHNETIUM-99 IN WATER (TEVA DISC METHOD) 1. SCOPE 1.1. This procedure describes a method to separate and measure technetium-99 in water. 1.2. This method does not address all aspects
More informationIs the laboratory s pledge or declaration of the quality of the results produced. to produce data compliant with the Safe Drinking Water Act (SDWA)
QA/QC Is the laboratory s pledge or declaration of the quality of the results produced. to produce data compliant with the Safe Drinking Water Act (SDWA) Is a description of the policies, procedures, techniques
More informationWorking Copy. tlrq /rb I 'B-16. Determination of Gross Alpha/Beta Activity. Revision 0. Laboratory Manag erllqao/rso. Effective Date. lnitials.
SOP-RC.1O1 Revision 0 Laboratory Manag erllqao/rso Effective Date Date Date Renewal Date: lnitials. tlrq /rb I 'B-16 Texas lnstitute for Applied Environmental Research i. Identification of the method a.
More informationQA/QC in the Wastewater Laboratory. Steve Roberts Ohio EPA Division of Environmental Services 05/11/2016
QA/QC in the Wastewater Laboratory Steve Roberts Ohio EPA Division of Environmental Services 05/11/2016 What is Quality Assurance? Per Standard Methods for the Examination of Water and Wastewater, 21 st
More information1220 QUANTULUS The Ultra Low Level Liquid Scintillation Spectrometer
1220 QUANTULUS The Ultra Low Level Liquid Scintillation Spectrometer PerkinElmer LAS (UK) Ltd, Chalfont Rd, Seer Green, Beaconsfield, Bucks HP9 2FX tel: 0800 896046 www.perkinelmer.com John Davies January
More informationTECHNETIUM-99 IN WATER
Analytical Procedure TECHNETIUM-99 IN WATER (WITH VACUUM BOX SYSTEM) 1. SCOPE 1.1. This procedure describes a method to separate and measure technetium-99 in water. 1.2. This method does not address all
More informationHach Method Total Organic Carbon in Finished Drinking Water by Catalyzed Ozone Hydroxyl Radical Oxidation Infrared Analysis
Hach Method 1061 Total Organic Carbon in Finished Drinking Water by Catalyzed Ozone Hydroxyl Radical Oxidation Infrared Analysis Hach Company Method 1061 Revision 1. December 015 Organic Carbon in Finished
More informationQualification Code Reference Table Cont.
Project: SSFL NPDES DATA VALIDATION REPORT SDG: IRL1711 Qualification Code Reference Table Cont. D P DNQ *II, *III The analysis with this flag should not be used because another more technically sound
More informationQUALITY CONTROL CRITERIA FOR CHEMISTRY EXCEPT RADIOCHEMISTRY.
1 REVISOR 4740.2100 4740.2100 QUALITY CONTROL CRITERIA FOR CHEMISTRY EXCEPT RADIOCHEMISTRY. Subpart 1. Scope. This part applies to laboratories performing testing under the inorganic chemistry, metals,
More informationThe measurement of tritium in environmental water samples
The measurement of tritium in environmental water samples 1. Introduction The Hidex 300 SL automatic TDCR liquid scintillation provides an excellent solution for the determination of H-3 in drinking water.
More informationA New Measurement Method For Tritium Rapid Detection by LSC. IM.CAEP Xu Qinghua
A New Measurement Method For Tritium Rapid Detection by LSC IM.CAEP Xu Qinghua xuqinghuawork@sina.com Outline Background Results and discussion Materials and methods Background FOM value for channel Sample
More informationHach Method Spectrophotometric Measurement of Free Chlorine (Cl 2 ) in Finished Drinking Water
Hach Method 1041 Spectrophotometric Measurement of Free Chlorine (Cl ) in Finished Drinking Water Hach Company Method 1041 Revision 1. November 015 Spectrophotometric Measurement of Free Cl in Finished
More informationCalibration & Use of a Capintec CAPTUS 3000 Portable Thyroid Uptake System for Iodine-125 Bioassay Measurements Todd W.
Calibration & Use of a Capintec CAPTUS 3000 Portable Thyroid Uptake System for Iodine-125 Bioassay Measurements Todd W. Baker, MSPH, CHP Photo image area measures 2 H x 6.93 W and can be masked by a collage
More informationTimberline Ammonia-001. Determination of Inorganic Ammonia by Continuous Flow Gas Diffusion and Conductivity Cell Analysis
Timberline Ammonia-001 Determination of Inorganic Ammonia by Continuous Flow Gas Diffusion and Conductivity Cell Analysis Prepared By: Dr. Edward F. Askew Date: June 24, 2011 Table of Contents 1. SCOPE
More informationENVIRONMENTAL LABORATORY SECTOR VOLUME 1 MANAGEMENT AND TECHNICAL REQUIREMENTS FOR LABORATORIES PERFORMING ENVIRONMENTAL ANALYSIS
EL-VM-0 ENVIRONMENTAL LABORATORY SECTOR VOLUME MANAGEMENT AND TECHNICAL REQUIREMENTS FOR LABORATORIES PERFORMING ENVIRONMENTAL ANALYSIS Module : Quality Systems for Radiochemical Testing Working Draft
More informationHach Company TNTplus 835/836 Nitrate Method Spectrophotometric Measurement of Nitrate in Water and Wastewater
Hach Company TNTplus 835/836 Nitrate Method 10206 Spectrophotometric Measurement of Nitrate in Water and Wastewater Hach Company TNTplus 835/836 Method 10206 Revision 2.2 January 15, 2013 Spectrophotometric
More informationTime-Resolved Liquid Scintillation Counting
CHAPTER 44 Time-Resolved Liquid Scintillation Counting Norbert Roessler, Robert J. Valenta, and Stat van Cauter ABSTRACT A comparison is made between standard, two-tube coincidence liquid scintillation
More information2100TR Liquid Scintillation Counter
2100TR Liquid Scintillation Counter Description The Tri-Carb 2100TR liquid scintillation counter is computer-controlled, bench top liquid scintillation analyzer for detecting small amounts of alpha, beta
More informationTNI Standard; EL-V1M4 Sections and (Detection and Quantitation) page1 of 8. TNI Standard VOLUME 1 MODULE 4
page1 of 8 TNI Standard VOLUME 1 MODULE 4 QUALITY SYSTEMS FOR CHEMICAL TESTING SECTIONS 1.5.1 AND 1.5.2 January 2016 Description This TNI Standard has been taken through all of the voting stages and has
More informationTechnical Notes for EPA Method Gross Alpha and Gross Beta Radioactivity in Drinking Water
Technical Notes for EPA Method 900.0 Gross Alpha and Gross Beta Radioactivity in Drinking Water 1. Scope and Application 1.1 The current regulation that stipulates acceptable methods is 40 CFR 141.25 and
More informationLS6500 Scintillation Counting Systems
LS6500 Scintillation Counting Systems Agenda LS6500 Concepts and Design H# Plus - The Basis of Advanced Technology Low Level Counting Alpha/Beta Discrimination LS6500 Concepts Give reproducible results
More informationCopyright ENCO Laboratories, Inc. II. Quality Control. A. Introduction
II. Quality Control A. Introduction ENCO adheres to strict quality control practices in order to assure our clients that the data provided are accurate and reliable. We are required by the EPA to analyze
More informationENVIRONMENTAL LABORATORY SECTOR MODIFIED WORKING DRAFT STANDARD (MWDS) VOLUME 1
EL-V1M6-2015-MWDS-Rev1Rev 2.1-59-12-30-1411-1-14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 ENVIRONMENTAL LABORATORY SECTOR MODIFIED WORKING DRAFT
More informationTotal Dissolved Residue (Total Dissolved Solids, TDS) in Aqueous Matrices
Total Dissolved Residue (Total Dissolved Solids, TDS) in Aqueous Matrices Environmental Express 2345A Charleston Regional Parkway Charleston, SC 29492 800-343-5319 Table of Contents 1. Scope and Application...
More informationQAM-Q-101 Laboratory Quality Control
1.0 Applicability and Purpose 1.1. This procedure applies to operations of the analytical laboratory at the Texas Institute for Applied Environmental Research (TIAER), Tarleton State University, Stephenville,
More informationApplication of Detection and Quantification Concepts to Chlorine Residual Measurements
Application of Detection and Quantification Concepts to Chlorine Residual Measurements Charles D. Hertz, Ph.D. PADEP Proposed Disinfection Requirements Rule Stakeholder Meeting Harrisburg, PA March 9,
More informationVOTING DRAFT STANDARD
page 1 of 7 VOTING DRAFT STANDARD VOLUME 1 MODULE 4 QUALITY SYSTEMS FOR CHEMICAL TESTING SECTIONS 1.5.1 AND 1.5.2 Description This Voting Draft Standard is a proposed revision of the 2009 standard (EL-
More informationComparison of Different Methods of Environmental Radioactivity Measurements at the Zagreb Radiocarbon and Tritium Laboratory
Comparison of Different Methods of Environmental Radioactivity Measurements at the Zagreb Radiocarbon and Tritium Laboratory B. Obelić, I. Krajcar Bronić, N. Horvatinčić, J. Barešić Rudjer Bošković Institute,
More informationSchedule. Draft Section of Lab Report Monday 6pm (Jan 27) Summary of Paper 2 Monday 2pm (Feb 3)
Schedule Assignment Due Date Draft Section of Lab Report Monday 6pm (Jan 27) Quiz for Lab 2 Peer Review of Draft Complete Lab Report 1 Tuesday 9:30am Wednesday 6pm Friday 6pm Summary of Paper 2 Monday
More informationRevision: 11 (MBAS) ALLOWAY METHOD OUTLINE. Standard Laboratory Method:
ALLOWAY METHOD OUTLINE Standard Laboratory Method: SM Parameter: Methylene Blue Method: Colorimetric Reporting Level: Reference: 0.05 mg/l Standard Methods for the Examination Of Water and Wastewater;
More informationA Brief Overview of Radiation and Analytical Water Testing for Radiological Contaminants.
A Brief Overview of Radiation and Analytical Water Testing for Radiological Contaminants. James Henitz Radioanalytical Services NJ Water Monitoring Council: January 24, 2018 Overview of Presentation What
More informationSLAC Radioanalysis Laboratory
SLAC Radioanalysis Laboratory Henry Brogonia Dosimetry and Radiological Protection Group (DREP) DOE Environmental Radiation Protection Program Review (July 23-24, 2007) Radioanalysis Laboratory Mission
More informationSECTION D.2 AMMONIA NITROGEN
SECTION D.2 AMMONIA NITROGEN CEDR Method Code: NH4F L01 a) Scope and Application i) This method describes the determination of low-level ammonia nitrogen concentrations in filtered samples taken from fresh
More informationMETHOD TEST METHODS FOR MEASURING RADIONUCLIDE EMISSION FROM STATIONARY SOURCES
METHOD 114 - TEST METHODS FOR MEASURING RADIONUCLIDE EMISSION FROM STATIONARY SOURCES 1. Purpose and Background. This method provides the requirements for: (1) Stack monitoring and sample collection methods
More informationMethod Update Rule of 2015: New Method Detection Limit MDL Determination. David Caldwell OK DEQ Laboratory Accreditation Program
Method Update Rule of 2015: New Method Detection Limit MDL Determination David Caldwell OK DEQ Laboratory Accreditation Program Final Rule Method Update Rule of 2015: This action has been withdrawn from
More informationALLOWAY METHOD OUTLINE
ALLOWAY METHOD OUTLINE Standard Laboratory Method SM4500-Cl -G Parameter Residual Chlorine & Free Chlorine Method DPD Colorimetric Test Kit Date Issued Originator: Section Supervisor: QA Manager Date:
More information1/5 Specifications Hidex 300 SLL automatic TDCR liquid scintillation counter
1/5 Specification Hidex 300 SL-SLL 100-240V AC and 24 V DC. Features Model (425-020) Super Low Level (SLL) Automatic TDCR Liquid Scintillation Counter with Guard Detector and Low Level PMTs General Description
More informationDISTRIBUTION LIST To be filled out by Document Author or person requesting document deletion
DISTRIBUTION LIST To be filled out by Document Author or person requesting document deletion: Once approved, the new or revised document or the notice of deleted document(s) should be distributed to all
More informationTest Method: CPSC-CH-E
UNITED STATES CONSUMER PRODUCT SAFETY COMMISSION DIRECTORATE FOR LABORATORY SCIENCES DIVISION OF CHEMISTRY 10901 DARNESTOWN RD GAITHERSBURG, MD 20878 Test Method: CPSC-CH-E1001-08 Standard Operating Procedure
More informationLOW-RANGE TOTAL CHLORINE
LOW-RANGE TOTAL CHLORINE Thermo Orion Method AC2072 Revision 4 3/14/2002 Accepted by U.S. EPA on March 20, 2002 for wastewater compliance monitoring Accepted by U.S. EPA on September 31, 2002 for drinking
More informationLIQUID SCINTILLATION COUNTERS. {Beta Counters}
LIQUID SCINTILLATION COUNTERS {Beta Counters} We offer a range of Alpha, Beta & Gama counters, from Hidex Oy, Finland to meet your specific Liquid Scintillation counting requirements. Triathler LSC Sense
More informationEnvironmental Measurement Glossary of Terms January 11, 2010
Environmental Measurement Glossary of Terms January 11, 2010 The intent of this glossary is to define terms, commonly used in association with detection, quantitation, and calibration in environmental
More informationANALYSIS OF PERCHLORATE IN DRINKING WATER, GROUND WATER, SALINE WATER, SOIL, AND BIOTA BY LC/MSD
ANALYSIS OF PERCHLORATE IN DRINKING WATER, GROUND WATER, SALINE WATER, SOIL, AND BIOTA BY LC/MSD Author Kham Lin K (Prime) Technologies Unit 105, 90 Freeport Blvd. NE Calgary, AB T3J 5J9 Canada E-mail:
More informationHidex Liquid Scintillation Counters
Hidex Liquid Scintillation Counters The new dimension of versatility Our mission is to help your lab become more effective and make your work a pleasure by providing user-friendly instruments with ultimate
More informationTDCR in a nutshell. P. Cassette, Laboratoire National Henri Becquerel, France
TDCR in a nutshell P. Cassette, Laboratoire National Henri Becquerel, France Summary LSC in radionuclide metrology, free parameter model The TDCR model Examples of relations between efficiency and TDCR
More informationTRITIUM DETERMINATION IN WATER
TRITIUM DETERMINATION IN WATER Ricardo M. Gavini 1 Autoridad Regulatoria Nuclear, Av. del Libertador 8250, 1429, Buenos Aires, Argentina. Abstract. An analytical procedure for the determination of tritium
More informationACZ Laboratories, Inc Downhill Drive Steamboat Springs, CO (800)
2773 Downhill Drive Steamboat Springs, CO 80487 (800) 334-5493 Analytical Report November 19, 2004 Report to: Debbie Furlow 602 Lehmberg Road Columbus, MS 39702 Bill to: Accounts Payable PO Box 2487 Columbus,
More informationDraft PS 18 APPENDIX A Dynamic Spiking Procedure ( ) 1.1 This appendix to Performance Specification 18
Draft PS 18 APPENDIX A Dynamic Spiking Procedure (4-4-2013) A1. Scope and Application 1.1 This appendix to Performance Specification 18 describes the procedure and performance requirements for dynamic
More informationLiquid Scintillation Counting Performance Using Glass Vials in the Wallac 1220 QuantulusTM
CHAPTER 43 Liquid Scintillation Counting Performance Using Glass Vials in the Wallac 1220 QuantulusTM Lauri Kaihola ABSTRACT Low-potassium glass vials can obtain reduced background count rates for beta
More informationLOUISVILLE RADIOLOGICAL GUIDELINE (LRG) [DATA ANALYSIS AND VALIDATION GUIDELINES] VERSION 4
LOUISVILLE RADIOLOGICAL GUIDELINE (LRG) [DATA ANALYSIS AND VALIDATION GUIDELINES] VERSION 4 Prepared By Subject Matter Expert-Chemistry ENVIRONMENTAL ENGINEERING BRANCH LOUISVILLE DISTRICT U.S. Army Corps
More informationLaboratory Techniques 100: Back To Basics. Carol Injasoulian Lab Manager City of Bay City April 29,2015
Laboratory Techniques 100: Back To Basics Carol Injasoulian Lab Manager City of Bay City April 29,2015 QA/QC for Environmental Measurement What is quality assurance (QA)? Broad plan to maintain quality
More informationPart 1: Water quality Radium-226. Test method using liquid scintillation counting
Provläsningsexemplar / Preview INTERNATIONAL STANDARD ISO 13165-1 First edition 2013-04-15 Water quality Radium-226 Part 1: Test method using liquid scintillation counting Qualité de l eau Radium 226 Partie
More informationISO INTERNATIONAL STANDARD
INTERNATIONAL STANDARD ISO 11704 First edition 2010-07-01 Water quality Measurement of gross alpha and beta activity concentration in non-saline water Liquid scintillation counting method Qualité de l'eau
More informationRESULTS YOU CAN COUNT ON
RESULTS YOU CAN COUNT ON Liquid Scintillation Counting Principle and the Application in Biological Research 1 2009 PerkinElmer liquid scintillation counting β particle Tri-Carb family of liquid scintillation
More informationHidex 300 SL Automatic TDCR Liquid Scintillation Counter
Hidex 300 SL Automatic TDCR Liquid Scintillation Counter The new dimension of versatility Our mission is to help your lab become more effective and make your work a pleasure by providing user-friendly
More informationReview and Reporting of Chemical of Concern (COC) Concentration Data Under the TRRP Rule (30 TAC 350)
Review and Reporting of Chemical of Concern (COC) Concentration Data Under the TRRP Rule (30 TAC 350) Ann Strahl Technical Support Remediation Division TCEQ 512-239-2500 astrahl@tceq.state.tx.us 1 Data
More informationDetermination of Selenium-79 in Aqueous Samples
Laboratory/Radiochemistry RP530 (a) Determination of Selenium-79 in Aqueous Samples 1.0 Scope and Application This method describes the isolation of Se in aqueous samples by ion exchange, distillation
More informationDETERMINING FUNDAMENTAL PARAMETERS OF A SINGLE-PHOTOTUBE LIQUID SCINTILLATION COUNTER
DETERMINING FUNDAMENTAL PARAMETERS OF A SINGLE-PHOTOTUBE LIQUID SCINTILLATION COUNTER Pall Theodórsson Science Institute, University of Iceland, Dunhaga 3, IS-107 Reykjavík, Iceland. Email: pth@raunvis.hi.is.
More informationAnd how to do them. Denise L Seman City of Youngstown
And how to do them Denise L Seman City of Youngstown Quality Control (QC) is defined as the process of detecting analytical errors to ensure both reliability and accuracy of the data generated QC can be
More informationThe TDCR method in LSC. P. Cassette Laboratoire National Henri Becquerel CEA/LNE, France
The TDCR method in LSC P. Cassette Laboratoire National Henri Becquerel CEA/LNE, France LIQUID SCINTILLATION USERS FORUM 2009 Summary I. Some information on LSC II. LSC in metrology: the free parameter
More informationUnit 2. Instrumentation. Experts Teaching from Practical Experience
Unit 2 Instrumentation Experts Teaching from Practical Experience Gas-Filled Detectors Gas-filled detectors measure the charge released when radiation interacts with the gas Three types: Ion Chambers,
More information1,2-Dibromoethane (EDB) and 1,2-dibromo-3-chloropropane (DBCP), gas chromatography, microextraction
1. Application 1,2-Dibromoethane (EDB) and 1,2-dibromo-3-chloropropane (DBCP), gas chromatography, microextraction Parameters and Codes: EDB and DBCP, whole water recoverable, O-3120-90 Parameter (µg/l)
More informationNATIONAL ASSOCIATION OF TESTING AUTHORITIES (NATA) REQUIREMENTS FOR ACCREDITATION OF ICP-MS TECHNIQUES
NATIONAL ASSOCIATION OF TESTING AUTHORITIES (NATA) REQUIREMENTS FOR ACCREDITATION OF ICP-MS TECHNIQUES The National Association of Testing Authorities (NATA) requirements for accreditation have undergone
More informationContamination Monitoring Radiation Safety Orientation Open Source Booklet 4 (June 1, 2018)
Contamination Monitoring Radiation Safety Orientation Open Source Booklet 4 (June 1, 2018) For more information, refer to the Radiation Safety Manual, 2017, RSP-3, Section 10 and the Quick Step Guide for
More informationLiquid Scintillation Measurement Assurance Improvements for Tritium Counting (U)
WSRC-MS-96-0410 c?. O df-vtv50 - - SL Liquid Scintillation Measurement Assurance Improvements for Tritium Counting (U) by G. D. Levi Westinghouse Savannah River Company Savannah River Site Aiken, South
More informationThis document is a preview generated by EVS
INTERNATIONAL STANDARD ISO 13168 First edition 2015-07-01 Water quality Simultaneous determination of tritium and carbon 14 activities Test method using liquid scintillation counting Qualité de l eau Détermination
More informationSECTION 8 Part I Typical Questions
SECTION 8 Part I Typical Questions 1. For a narrow beam of photons, the relaxation length is that thickness of absorber that will result in a reduction of in the initial beam intensity. 1. 1/10. 2. 1/2.
More informationHach Company TNTplus TM Phosphorus Spectrophotometric Measurement of Phosphorus in Water and Wastewater
Hach Company TNTplus TM Phosphorus Spectrophotometric Measurement of Phosphorus in Water and Wastewater Hach Company TNTplus TM Phosphorus Method 10209/10210/843/844/845 November 2015 Revison 2 Spectrophotometric
More informationTIME-RESOLVED LIQUID SCINTILLATION COUNTING
[RADOCARBON, VOL 32, No. 3, 1990, P 381-386] TME-RESOLVED LQUD SCNTLLATON COUNTNG MCHAEL KESSLER Packard nstrument Company, One State Street, Meriden, Connecticut 06450 ABSTRACT. Historically, scientists
More informationRESOLUTION OF DIFFERENCES IN CONCENTRATION OF NATURALLY OCCURRING TRITIUM IN GROUNDWATER TRACER STUDIES
RESOLUTION OF DIFFERENCES IN CONCENTRATION OF NATURALLY OCCURRING TRITIUM IN GROUNDWATER TRACER STUDIES Michael P. Neary AUTHOR: Senior Research Scientist, Center for Applied Isotope Studies, University
More informationTable of Contents I. PURPOSE AND SCOPE:... 3 II. AUTHORITY:... 3 III. REFERENCE:... 3 IV. RESPONSIBILITY:... 3 V. POLICY:... 3 VI. PROCEDURE:...
Section Table of Contents Page No I. PURPOSE AND SCOPE:... 3 II. AUTHORITY:... 3 III. REFERENCE:... 3 IV. RESPONSIBILITY:... 3 V. POLICY:... 3 VI. PROCEDURE:... 4 (A) Introduction... 4 (B) Data Package
More informationGLOSSARY OF BASIC RADIATION PROTECTION TERMINOLOGY
GLOSSARY OF BASIC RADIATION PROTECTION TERMINOLOGY ABSORBED DOSE: The amount of energy absorbed, as a result of radiation passing through a material, per unit mass of material. Measured in rads (1 rad
More informationCOMPARATIVE STUDY BETWEEN EXTERNAL STANDARD METHOD AND INTERNAL STANDARD METHOD FOR LOW-LEVEL TRITIUM MEASUREMENTS
International Conference Nuclear Energy in Central Europe 2001 Hoteli Bernardin, Portorož, Slovenia, September 10-13, 2001 www: http://www.drustvo-js.si/port2001/ e-mail: PORT2001@ijs.si tel.:+ 386 1 588
More informationThe New MDL Procedure How To s. Presented by: Marcy Bolek - Alloway
The New MDL Procedure How To s Presented by: Marcy Bolek - Alloway Proposed MDL Revision 2015 MUR How to obtain a copy of the proposed MDL revision? https://www.gpo.gov/fdsys/pkg/fr-2015-02-19/pdf/2015-02841.pdf
More informationPrimary Standardization of 152 Eu by 4πβ(LS) γ (NaI) coincidence counting and CIEMAT-NIST method
Primary Standardization of 152 Eu by 4πβ(LS) γ (NaI) coincidence counting and CIEMAT-NIST method A Ruzzarin 1, P A L da Cruz 2, A L Ferreira Filho 2, A Iwahara 2 1 Laboratório de Instrumentação Nuclear/Programa
More informationPractical Approaches using TDCR Measurements and Alpha/Beta Separation
Practical Approaches using TDCR Measurements and Alpha/Beta Separation Jost Eikenberg, Maya Jäggi, Andreas Brand Division for Radiation Protection and Safety Paul Scherrer Institute, CH-5232 Villigen Overview
More information1.1. This is a method for the separation and measurement of 228 Ra in water via its beta emitting 228 Ac daughter.
Analytical Procedure RADIUM-228 IN WATER (WITH VACUUM BOX SYSTEM) 1. SCOPE 1.1. This is a method for the separation and measurement of 228 Ra in water via its beta emitting 228 Ac daughter. 1.2. This method
More informationHyuncheol Kim*, Yoonhee Jung, Wanno Lee, Guen-Sik Choi, Kun Ho Chung, Mun Ja Kang
Journal of Radiation Protection and Research 2016;41(4):395-401 pissn 2508-1888 eissn 2466-2461 Comparison of the Quantulus 1220 and Liquid Scintillation Counters for the Analysis of Rn in Groundwater
More informationLow Level Phosphorus: A Method Comparison Study
Low Level Phosphorus: A Method Comparison Study Katie Adams* Stephanie Le, Theresa McBride, Tom Pearson EPA Region 10 Laboratory August 2012 8/29/2012 1 U.S. Environmental Protection Agency Goal: 1 µg/l
More informationPlastic Scintillation and dryness evaporation: a new procedure for Alpha/Beta determination in water samples
a new procedure for Alpha/Beta determination in water samples Bouchra Aboudou, Hector Bagán, Alex Tarancón Sanz, Gemma Rauret, Jose Francisco García Departmento de Química Analitica de la Universidad de
More informationCERTIFICATE OF ANALYSIS
Attention:Steve Allum 802 Drury Lane Burlington, ON L7R 4L3 Your Project #: LEAD Your C.O.C. #: na Report #: R4042481 Version: 1 - Final MAXXAM JOB #: B6C8371 Received: 2016/06/22, 08:00 Sample Matrix:
More informationAnand pointed out that the adjournment time in Section 6 should be EDT.
SUMMARY OF THE TNI ENVIRONMENTAL MEASUREMENT METHODS EXPERT COMMITTEE MEETING AUGUST 24, 2012 The held a conference call on Friday, August 24, 2012, at 2:00 pm EDT. 1 Roll call Richard Burrows, Test America
More informationJerde, Peterson and Stein (1967) indicated that high-energy radiation
[RADIOCARBON, VOL 31, No. 3, 1989, P 332-341] LOW BACKGROUND LIQUID SCINTILLATION COUNTING USING AN ACTIVE SAMPLE HOLDER AND PULSE DISCRIMINATION ELECTRONICS JOHN E NOAKES Center for Applied Isotope Studies
More informationANALYTICAL METHODS & QUALITY CONTROL
CHAPTER 6 ANALYTICAL METHODS & QUALITY CONTROL Section A. Section B. Section C. Introduction Definitions and Terms Laboratory QA/QC 1. Sample Preservation and Holding Times 2. Sample Receiving 3. Sample
More informationCHAPTER VI ANALYTICAL METHODS & QUALITY CONTROL
CHAPTER VI ANALYTICAL METHODS & QUALITY CONTROL Section A. Section B. Section C. Introduction Definitions and Terms Laboratory QA/QC 1. Sample Preservation and Holding Times 2. Sample Receiving 3. Sample
More informationALLOWAY STANDARD OPERATING PROCEDURES FOR METHOD 504.1/8011
ALLOWAY STANDARD OPERATING PROCEDURES FOR METHOD 504.1/8011 1,2-DIBROMOETHANE (EDB) AND 1,2-DIBROMO-3-CHLOROPROPANE (DBCP) IN WATER BY MICROEXTRACTION AND GAS CHROMATOGRAPHY SOP #: 504.1 Revision 1.1,
More informationLaboratory 101: A Guide to Understanding your Testing Laboratory
Laboratory 101: A Guide to Understanding your Testing Laboratory Jim Cronin Product Ecology Manager Environmental Monitoring and Technologies, Inc. (EMT) Morton Grove, Illinois Abstract: Laboratory 101:
More informationTNI V1M Standard Update Guidance on Detection and Quantitation
TNI V1M4 2016 Standard Update Guidance on Detection and Quantitation GUID-3-109-Rev0 January 30, 2019 This material represents the opinion of its authors. It is intended solely as guidance and does not
More informationNUCLEONIX SYSTEMS PVT LTD
I N S T R U C T I O N M A N U A L LIQUID SCINTILLATION COUNTING SYSTEM WITH 8K MCA (USB) ALONG WITH PC TYPE : LS620 NUCLEONIX SYSTEMS PRIVATE LIMITED Plot No : 162 A & B, PHASE II, I.D.A.Cherlapally, Hyderabad
More informationMethod 548. July 1990 EPA EMSL-Ci. J.W. Hodgeson
Determination of Endothall in Drinking Water by Aqueous Derivatization, Liquid-Solid Extraction, and Gas Chromatography with Electron-Capture Detection July 1990 EPA EMSL-Ci J.W. Hodgeson Determination
More informationResults of the EPA Method 1631 Validation Study
Results of the EPA Method 1631 Validation Study U.S. EPA Office of Water Office of Science and Technology Engineering and Analysis Division Washington, DC 20460 July 1996 Acknowledgments This report was
More informationImplementation of ISO/IEC in a low level liquid s cintillation tritium laboratory
Implementation of ISO/IEC 17025 in a low level liquid s cintillation tritium laboratory LSC 2017 Advances in Liquid Scintillation Spectrometry 1-5 May 2017, Copenhagen, Denmark Ll. Pujol, M.E. Pérez-Zabaleta
More information05 - Scintillation detectors
05 - Scintillation detectors Jaroslav Adam Czech Technical University in Prague Version 2 Jaroslav Adam (CTU, Prague) DPD_05, Scintillation detectors Version 2 1 / 39 Scintillation detector principles
More informationQSM 5.1 FAQs. For a test with a recommended maximum holding time measured in hours, the holding time shall be tracked by the hour.
QSM 5.1 FAQs DoD ELAP FAQ Holding Time - Hours For a test with a recommended maximum holding time measured in hours, the holding time shall be tracked by the hour. For example, an exceedance of holding
More informationRadiation Protection Training Manual & Study Guide. Jump to the Table of Contents
Radiation Protection Training Manual & Study Guide Jump to the Table of Contents December 1986 Revised 1994 Radiation Safety Office Radiation Protection Training Course Course Outline Time Lecture Topic
More information