Detection Limits in Air Quality and Environmental Measurements最新文献

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Fundamentals of the ASTM International Committee D22 Practice for Determination of the Detection Limit of a Well-Behaved Analytical Method ASTM国际委员会D22规范的基础,用于确定良好的分析方法的检测限
Detection Limits in Air Quality and Environmental Measurements Pub Date : 2019-11-01 DOI: 10.1520/stp161820180128
M. Brisson, H. L. Rook
{"title":"Fundamentals of the ASTM International Committee D22 Practice for Determination of the Detection Limit of a Well-Behaved Analytical Method","authors":"M. Brisson, H. L. Rook","doi":"10.1520/stp161820180128","DOIUrl":"https://doi.org/10.1520/stp161820180128","url":null,"abstract":"The concept of detection limits dates back to the 1960s, with the best ‐ known treatise being Lloyd Currie’s 1968 definition of “detection limit” in terms of a “critical level.” The concept is important for scientists, policymakers, instrument manufacturers, and other stakeholders. It remains a source of controversy, however, because although the theory is based in statistics, it is applied by analytical practitioners. This is not always compatible . Over the past half ‐ century, there have been many formulations, some developed for particular programs, and with these formulations, a cornucopia of terms and abbreviations, presenting challenges for a laboratory dealing with the requirements of different programs. Currie’s principles were solidified in the 1995 International Union of Pure and Applied Chemistry recommendations and International Organization for Standardization 11843 series. These principles have been embraced in Europe, but not in the United States. One possible reason is that the concepts focus on underlying statistics and not on practical application. The goal of ASTM Committee D22 on Air Quality is to begin with the smallest common denominator, a well ‐ behaved air quality method, and then to standardize a practice that has statistical rigor; will be understood and used by the analytical community; and, perhaps most important, will produce consistent results. Committee D22 hopes to expand on this admittedly narrow focus in the future. This paper describes fundamental concepts of the Committee D22 methodology, based on Currie’s 1968 and 1999 papers. It uses a one ‐ sided test of significance to affirm or reject the null hypothesis (analyte not detected). Rejection of the null is used to determine a value above the mean background that represents detection of the analyte signal with a stated probability of repeatability. It evaluates all significant error sources and uses the magnitude and variance of the background and combined error to estimate the detection limit.","PeriodicalId":221385,"journal":{"name":"Detection Limits in Air Quality and Environmental Measurements","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128176394","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of the Detection and Quantitation Limits on the Analytical Feasibility of Measuring the European Chemicals Agency Risk Assessment Committee’s Recommendations for Occupational Exposure Limit Values for Nickel and Its Compounds in the Workplace 检测和定量限制对测量欧洲化学品管理局风险评估委员会关于工作场所镍及其化合物职业接触极限值建议的分析可行性的影响
Detection Limits in Air Quality and Environmental Measurements Pub Date : 2019-11-01 DOI: 10.1520/stp161820180073
S. Verpaele
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引用次数: 1
ASTM E2677: International Standard on Limit of Detection for Trace Detectors—Explosives, Opioids, and Ozone ASTM E2677:痕量探测器-炸药,阿片类药物和臭氧的检测极限国际标准
Detection Limits in Air Quality and Environmental Measurements Pub Date : 2019-11-01 DOI: 10.1520/stp161820180074
R. Verkouteren, N. A. Heckert, S. Leigh, Edward Sisco, J. Norris, J. Lawrence, Amber Burns
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引用次数: 0
Treatment of Non-Detects Can Lead to Inaccurate Forensic Conclusions 对未检测的处理可能导致不准确的法医结论
Detection Limits in Air Quality and Environmental Measurements Pub Date : 2019-11-01 DOI: 10.1520/stp161820180116
Melanie Edwards, J. Pietari, L. Cook, P. Boehm
{"title":"Treatment of Non-Detects Can Lead to Inaccurate Forensic Conclusions","authors":"Melanie Edwards, J. Pietari, L. Cook, P. Boehm","doi":"10.1520/stp161820180116","DOIUrl":"https://doi.org/10.1520/stp161820180116","url":null,"abstract":"","PeriodicalId":221385,"journal":{"name":"Detection Limits in Air Quality and Environmental Measurements","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131846925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Detecting the Detection Limit 检测检测极限
Detection Limits in Air Quality and Environmental Measurements Pub Date : 2019-11-01 DOI: 10.1520/stp161820180117
T. Bzik
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引用次数: 0
Censored Data and Statistics: How to Estimate Percentiles 删减数据和统计:如何估计百分位数
Detection Limits in Air Quality and Environmental Measurements Pub Date : 2019-11-01 DOI: 10.1520/stp161820180126
A. Lotz, Justus Tulowietzki, B. Kendzia, T. Weiss, T. Brüning, T. Behrens, D. Taeger
{"title":"Censored Data and Statistics: How to Estimate Percentiles","authors":"A. Lotz, Justus Tulowietzki, B. Kendzia, T. Weiss, T. Brüning, T. Behrens, D. Taeger","doi":"10.1520/stp161820180126","DOIUrl":"https://doi.org/10.1520/stp161820180126","url":null,"abstract":"","PeriodicalId":221385,"journal":{"name":"Detection Limits in Air Quality and Environmental Measurements","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116187509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Foundation for ASTM D6620, Standard Practice for Asbestos Detection Limit Based on Counts and Its Application as a Study Design Parameter ASTM D6620,基于计数的石棉检测限值标准实施方法及其作为研究设计参数的应用
Detection Limits in Air Quality and Environmental Measurements Pub Date : 2019-11-01 DOI: 10.1520/stp161820180083
B. Price
{"title":"The Foundation for ASTM D6620, Standard Practice for Asbestos Detection Limit Based on Counts and Its Application as a Study Design Parameter","authors":"B. Price","doi":"10.1520/stp161820180083","DOIUrl":"https://doi.org/10.1520/stp161820180083","url":null,"abstract":"","PeriodicalId":221385,"journal":{"name":"Detection Limits in Air Quality and Environmental Measurements","volume":"101 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132157513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Web-Based Calculator for ASTM E2677 Limits of Detection ASTM E2677检测限的网络计算器
Detection Limits in Air Quality and Environmental Measurements Pub Date : 2019-11-01 DOI: 10.1520/stp161820180078
N. Heckert, R. Verkouteren, Keith Kwiatek
{"title":"Web-Based Calculator for ASTM E2677 Limits of Detection","authors":"N. Heckert, R. Verkouteren, Keith Kwiatek","doi":"10.1520/stp161820180078","DOIUrl":"https://doi.org/10.1520/stp161820180078","url":null,"abstract":"","PeriodicalId":221385,"journal":{"name":"Detection Limits in Air Quality and Environmental Measurements","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116081897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Detection Limit for Ra-228 in Drinking Water by Gamma Spectrometry 伽马能谱法测定饮用水中Ra-228的检出限
Detection Limits in Air Quality and Environmental Measurements Pub Date : 2019-11-01 DOI: 10.1520/stp161820180060
T. Semkow, Abdul J. Khan, Traci A. Menia, Xin Li, Liang T. Chu, M. Torres, A. Bari
{"title":"Detection Limit for Ra-228 in Drinking Water by Gamma Spectrometry","authors":"T. Semkow, Abdul J. Khan, Traci A. Menia, Xin Li, Liang T. Chu, M. Torres, A. Bari","doi":"10.1520/stp161820180060","DOIUrl":"https://doi.org/10.1520/stp161820180060","url":null,"abstract":"","PeriodicalId":221385,"journal":{"name":"Detection Limits in Air Quality and Environmental Measurements","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122748780","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Handling Multiple Method Detection Limit Estimates: Which Statistical Estimate Should Be Reported? 处理多方法检出限估计:应报告哪种统计估计?
Detection Limits in Air Quality and Environmental Measurements Pub Date : 2019-11-01 DOI: 10.1520/stp161820180115
T. Bzik
{"title":"Handling Multiple Method Detection Limit Estimates: Which Statistical Estimate Should Be Reported?","authors":"T. Bzik","doi":"10.1520/stp161820180115","DOIUrl":"https://doi.org/10.1520/stp161820180115","url":null,"abstract":"","PeriodicalId":221385,"journal":{"name":"Detection Limits in Air Quality and Environmental Measurements","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124738593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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