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Lessons learned in preparing method 29 filters for compliance testing audits. 为遵从性测试审核准备方法29过滤器的经验教训。
Pub Date : 2000-07-01 DOI: 10.1080/10529410052852312
R. F. Martz, J. McCartney, J. Bursey, C. Riley
Companies conducting compliance testing are required to analyze audit samples at the time they collect and analyze the stack samples if audit samples are available. Eastern Research Group (ERG) provides technical support to the EPA's Emission Measurements Center's Stationary Source Audit Program (SSAP) for developing, preparing, and distributing performance evaluation samples and audit materials. These audit samples are requested via the regulatory Agency and include spiked audit materials for EPA Method 29-Metals Emissions from Stationary Sources, as well as other methods. To provide appropriate audit materials to federal, state, tribal, and local governments, as well as agencies performing environmental activities and conducting emission compliance tests, ERG has recently performed testing of blank filter materials and preparation of spiked filters for EPA Method 29. For sampling stationary sources using an EPA Method 29 sampling train, the use of filters without organic binders containing less than 1.3 microg/in.2 of each of the metals to be measured is required. Risk Assessment testing imposes even stricter requirements for clean filter background levels. Three vendor sources of quartz fiber filters were evaluated for background contamination to ensure that audit samples would be prepared using filters with the lowest metal background levels. A procedure was developed to test new filters, and a cleaning procedure was evaluated to see if a greater level of cleanliness could be achieved using an acid rinse with new filters. Background levels for filters supplied by different vendors and within lots of filters from the same vendor showed a wide variation, confirmed through contact with several analytical laboratories that frequently perform EPA Method 29 analyses. It has been necessary to repeat more than one compliance test because of suspect metals background contamination levels. An acid cleaning step produced improvement in contamination level, but the difference was not significant for most of the Method 29 target metals. As a result of our studies, we conclude: Filters for Method 29 testing should be purchased in lots as large as possible. Testing firms should pre-screen new boxes and/or new lots of filters used for Method 29 testing. Random analysis of three filters (top, middle, bottom of the box) from a new box of vendor filters before allowing them to be used in field tests is a prudent approach. A box of filters from a given vendor should be screened, and filters from this screened box should be used both for testing and as field blanks in each test scenario to provide the level of quality assurance required for stationary source testing.
进行合规性测试的公司需要在收集和分析堆栈样本时分析审计样本(如果有审计样本)。东方研究集团(ERG)为美国环保署排放测量中心的固定源审计项目(SSAP)提供技术支持,以开发、准备和分发绩效评估样本和审计材料。这些审计样品是通过监管机构要求的,包括EPA方法29-固定源金属排放的加标审计材料,以及其他方法。为了向联邦、州、部落和地方政府以及执行环境活动和进行排放符合性测试的机构提供适当的审计材料,ERG最近对空白过滤材料进行了测试,并为EPA方法29准备了加钉过滤器。对于使用EPA方法29采样序列的固定源采样,使用不含含低于1.3微克/英寸的有机粘合剂的过滤器。每一种待测金属都需要2个。风险评估测试对清洁过滤器的背景水平提出了更严格的要求。对石英纤维过滤器的三个供应商来源进行了本底污染评价,以确保使用金属本底含量最低的过滤器制备审计样品。开发了一种程序来测试新的过滤器,并评估了一种清洁程序,以确定使用新的过滤器进行酸冲洗是否可以达到更高的清洁度。不同供应商提供的过滤器和同一供应商提供的许多过滤器的背景水平显示出很大的差异,通过与经常执行EPA方法29分析的几个分析实验室联系确认。由于可疑的金属背景污染水平,有必要重复一次以上的依从性测试。酸洗步骤可以改善污染水平,但对方法29中大多数目标金属的差异并不显著。根据我们的研究,我们得出结论:方法29检测的过滤器应尽可能大批量购买。检测公司应预先筛选用于方法29检测的新盒和/或新批过滤器。在允许在现场测试中使用新的供应商过滤器之前,对三个过滤器(盒子的顶部、中间、底部)进行随机分析是一种谨慎的方法。应筛选来自给定供应商的一盒过滤器,并且该筛选盒中的过滤器应用于测试,并在每个测试场景中作为现场空白,以提供固定源测试所需的质量保证水平。
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引用次数: 2
Raising the curtain on the gray region. 拉开灰色地带的帷幕。
Pub Date : 2000-07-01 DOI: 10.1080/10529410052852402
C. J. Kirchmer, S. Lombard
The gray region in EPA Document QA/G-4 is defined as the range of possible parameter values near the action level where the cost of determining that the alternative condition is true outweighs the expected consequences of a decision error. The gray region is also described as a range of true parameter values within the alternative condition near the action level where it is "too close to call." EPA Document QA/G-4HW states that during the planning stage the action level is based on an ideal decision rule, while during the assessment stage an operational decision rule is used. This paper analyzes the factors that define the gray region and the action level, including the errors of the first kind (a) and second kind (beta) and the number of samples taken to determine the mean result. The relationship between the Decision Performance Curve presented in EPA QA/G-4 and the statistical power curve is also discussed. The statistically derived critical level is identified as the concentration of importance for decision-making. The action level is defined in terms of the critical level so that its value is consistent for decisions made during both planning (a priori decisions) and assessment (a posteriori decisions).
EPA文件QA/G-4中的灰色区域被定义为接近行动水平的可能参数值范围,在此范围内,确定替代条件为真的成本超过了决策错误的预期后果。灰色区域也被描述为在行动水平附近的可选条件内的真实参数值范围,该范围“太接近而无法判断”。EPA文件QA/G-4HW指出,在计划阶段,行动级别基于理想决策规则,而在评估阶段,使用操作决策规则。本文分析了定义灰色区域和行动水平的因素,包括第一类误差(a)和第二类误差(beta)以及确定平均结果所需的样本数量。讨论了EPA QA/G-4中提出的决策绩效曲线与统计功率曲线之间的关系。统计导出的临界水平被确定为决策的重要性集中。行动级别是根据关键级别定义的,因此它的值对于在计划(先验决策)和评估(事后决策)期间所做的决策是一致的。
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引用次数: 0
Iso 19011:2002--a combined auditing standard for quality and environmental management systems. Iso 19011:2002—质量和环境管理体系联合审核标准。
Pub Date : 2000-07-01 DOI: 10.1080/10529410052852295
G. Johnson
In a precedent-setting decision in 1998, the International Organization for Standardization (ISO) directed ISO Technical Committee (TC) 176 on Quality Management and ISO TC 207 on Environmental Management to develop jointly a single guideline standard for auditing quality and environmental management systems. When approved, this standard would replace ISO 10011-1, ISO 10011-2, and ISO 10011-3 on quality auditing and ISO 14010, ISO 14011, and ISO 14012 on environmental auditing. A Joint Working Group (JWG) was established comprising experts from both TC 176 and TC 207 to develop the new standard, ISO 19011, Guidelines on Quality and/or Environmental Management Systems Auditing, and to incorporate lessons learned from efforts to improve compatibility between ISO 9001/9004 and ISO 14001/14004, the standards for quality and environmental management systems, respectively. Work is proceeding on the development of ISO 19011 with an expected completion in early 2002.
在1998年的一项先例决定中,国际标准化组织(ISO)指示ISO质量管理技术委员会(TC) 176和ISO环境管理技术委员会(TC 207)共同制定审核质量和环境管理体系的单一指导标准。一旦获得批准,该标准将取代质量审核方面的ISO 10011-1、ISO 10011-2和ISO 10011-3以及环境审核方面的ISO 14010、ISO 14011和ISO 14012。成立联合工作小组(JWG),由176和207技术委员会的专家组成,负责制定新标准ISO 19011《质量及/或环境管理体系审核指引》,并吸收为提高质量和环境管理体系标准ISO 9001/9004和ISO 14001/14004之间的兼容性所做的工作经验。ISO 19011的开发工作正在进行中,预计在2002年初完成。
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引用次数: 5
Using field data analysis for environmental decision making and subsequent remediation at two example sites. 在两个示例地点使用现场数据分析进行环境决策和随后的补救。
Pub Date : 2000-07-01 DOI: 10.1080/10529410052852376
L. Splichal, G. DeLullo
One of the major challenges in remediating contaminated sites is having quick access to quality data on which to base remedial decisions as onsite work progresses. Case studies are presented at two Superfund sites where field screening and field analyses are used to provide these data. Emphasis is placed on the importance of high quality field data, as these data are the basis for remedial decisions prior to receipt of offsite laboratory confirmation. The decision-making processes for remediating contaminated soils and structures are presented in addition to project specifics including data quality objectives, field data collection procedures, quality assurance/quality control procedures, and comparisons of the field data with offsite laboratory results.
修复受污染场址的主要挑战之一是如何快速获得高质量的数据,以便根据现场工作的进展作出补救决定。在两个超级基金站点进行了案例研究,使用现场筛选和现场分析来提供这些数据。重点放在高质量现场数据的重要性上,因为这些数据是在收到场外实验室确认之前作出补救决定的基础。除了项目细节外,还介绍了修复受污染土壤和结构的决策过程,包括数据质量目标、现场数据收集程序、质量保证/质量控制程序以及现场数据与非现场实验室结果的比较。
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引用次数: 0
Improving the quality of data used in environmental economics research. 提高环境经济学研究数据的质量。
Pub Date : 2000-07-01 DOI: 10.1080/10529410052852321
C. Ogg
Valuing environmental goods through contingent valuation and through other survey techniques is difficult because of the lack of traditional markets for those goods. EPA provides leadership in overcoming these challenges, using focus groups, workshops, handbooks, and teams of distinguished economists to obtain more reliable economic data from the surveys. Agency economists have provided leadership in employing production economics tools to identify win-win approaches to solve pervasive and neglected environmental problems. In addition, we exploit the speed of sophisticated computers, building field runoff models into economic models and aggregating results from tens of thousands of field sites. These very flexible models provide much more credible, site-specific analyses than previous models, and they offer flexible and efficient remedies to support Total Maximum Daily Loads and other new programs.
通过条件估价和其他调查技术对环境货物进行估价是困难的,因为这些货物缺乏传统市场。环境保护署在克服这些挑战方面发挥领导作用,利用焦点小组、研讨会、手册和杰出经济学家团队从调查中获得更可靠的经济数据。代理经济学家在运用生产经济学工具找出解决普遍和被忽视的环境问题的双赢方法方面发挥了领导作用。此外,我们利用先进计算机的速度,将田间径流模型构建为经济模型,并汇总数万个田间站点的结果。这些非常灵活的模型提供了比以前的模型更可信的、具体的站点分析,它们提供了灵活和有效的补救措施,以支持总最大每日负荷和其他新程序。
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引用次数: 0
Hoshin Kanri: a technique for strategic quality management. 星新Kanri:战略质量管理技术。
Pub Date : 2000-04-01 DOI: 10.1080/105294100317173862
Charles Tennant, Paul Roberts
This paper describes a technique for Strategic Quality Management (SQM), known as Hoshin Kanri, which has been operated as a management system in many Japanese companies since the 1960s. It represents a core aspect of Japanese companies' management systems, and is stated as: the means by which the overall control system and Total Quality Management (TQM) are deployed. Hoshin Kanri is not particularly unique in its concept of establishing and tracking individual goals and objectives, but the manner in which the objectives and the means to achieve them are developed and deployed is. The problem with applying the concept of Strategic Quality Management (SQM) using Hoshin Kanri, is that it can tend to challenge the traditional authoritarian strategic planning models, which have become the paradigms of modern business. Yet Hoshin Kanri provides an appropriate tool for declaration of the strategic vision for the business while integrating goals and targets in a single holistic model. There have been various adaptations of Hoshin Kanri to align the technique to Western thinking and management approaches, yet outside Japan its significance has gone largely unreported. It is proposed that Hoshin Kanri is an effective methodology for SQM, which has a number of benefits over the more conventional planning techniques. The benefits of Hoshin Kanri as a tool for Strategic Quality Management (SQM) compared to conventional planning systems include: integration of strategic objectives with tactical daily management, the application of the plan-do-check-act cycle to business process management, parallel planning and execution methodology, company wide approach, improvements in communication, increased consensus and buy-in to goal setting, and cross-functional-management integration.
本文描述了战略质量管理(SQM)的一种技术,被称为Hoshin Kanri,自20世纪60年代以来,它一直作为一种管理体系在许多日本公司中运作。它代表了日本公司管理体系的一个核心方面,并被陈述为:全面控制系统和全面质量管理(TQM)部署的手段。Hoshin Kanri在确定和跟踪个别目标和目的的概念上并不是特别独特,但制定和部署目标和实现目标的手段的方式是特别独特的。在Hoshin Kanri中应用战略质量管理(SQM)概念的问题在于,它可能会挑战传统的专制战略规划模型,而这些模型已成为现代商业的范例。然而,Hoshin Kanri提供了一个适当的工具,可以在将目标和指标集成到单个整体模型中的同时,宣布业务的战略愿景。为了使星心观里的技术与西方的思维和管理方法相结合,已经有了各种各样的改编,但在日本以外,它的重要性基本上没有得到报道。建议Hoshin Kanri是一种有效的SQM方法,它比更传统的计划技术有许多好处。与传统计划系统相比,Hoshin Kanri作为战略质量管理(SQM)工具的好处包括:将战略目标与战术日常管理相结合,将计划-执行-检查-行动循环应用于业务流程管理,并行计划和执行方法,公司范围内的方法,改进沟通,增加共识和对目标设定的支持,以及跨职能管理整合。
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引用次数: 33
Integrating OHS, environmental, and quality management standards. 整合职业安全、环境和质量管理标准。
Pub Date : 2000-04-01 DOI: 10.1080/105294100317173880
C. Winder
A number of ideas, concepts and systems have emerged over the past 50 years, attempting to offer insights into improving the effectiveness of contemporary management. Many of these have become part of the management landscape. With the continuing publication of standards for (among others) quality, environment and safety management of Integrated Management Systems (IMS) offers efficiencies in management processes that are intuitively logical but on occasion, frustratingly illusive. The development of an IMS is sometimes carried out for the wrong reasons, and often with unforeseen consequences. The establishment of an IMS should not be taken lightly and should include lengthy design, considered consultation, flexible redesign, and staged implementation. However, once in place, an IMS offers the potential of a unifying approach for dealing with management systems.
在过去的50年里,出现了许多想法、概念和系统,试图为提高当代管理的有效性提供见解。其中许多已经成为管理领域的一部分。随着综合管理系统(IMS)的质量、环境和安全管理标准(以及其他标准)的不断发布,在直观上合乎逻辑的管理过程中提供了效率,但有时却令人沮丧地虚幻。IMS的开发有时是出于错误的原因,并且通常会带来不可预见的后果。IMS的建立不应该掉以轻心,应该包括冗长的设计、深思熟虑的咨询、灵活的重新设计和分阶段实现。然而,一旦到位,IMS提供了处理管理系统的统一方法的潜力。
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引用次数: 27
A practical methodology for analysing and improving the measurement system. 一种分析和改进测量系统的实用方法。
Pub Date : 2000-04-01 DOI: 10.1080/105294100317173853
G. Knowles, J. Antony, G. Vickers
Measurement systems are used widely in manufacturing organisations in order to make many important decisions. These decisions range from the acceptability of a given product against tolerance requirements to the level of statistical control of a process or its capability to consistently perform a given task. In most situations, however, little thought is given to the quality of the data generated by such measurement processes. By using potentially flawed data in making fundamental manufacturing decisions, organisations undermine the quality of the decision-making process itself. This paper reviews the approaches presently available from both a technical and a practical point of view, based on the priorities of process improvement practitioners. The conclusion of the paper is that the Evaluation of the Measurement Process proposed by Wheeler and Lyday offers the best balance of accuracy and utility.
测量系统在制造组织中广泛使用,以做出许多重要决策。这些决策的范围从给定产品对公差需求的可接受性到过程的统计控制级别或其一致执行给定任务的能力。然而,在大多数情况下,很少考虑由这种测量过程产生的数据的质量。企业在做出基本生产决策时使用可能存在缺陷的数据,破坏了决策过程本身的质量。本文基于过程改进实践者的优先级,从技术和实践的角度回顾了目前可用的方法。本文的结论是,惠勒和莱迪提出的测量过程的评估提供了准确性和效用的最佳平衡。
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引用次数: 6
Generating high quality impervious cover data. 生成高质量的不透水覆盖数据。
Pub Date : 2000-04-01 DOI: 10.1080/105294100317173871
Sandra L. Bird, Linda R. Exum, Stephen W. Alberty
Nonpoint source pollution (NPS) from urban or suburban areas is rapidly increasing as the population increases in the United States. Research in recent years has consistently shown a strong relationship between the percentage of impervious cover in a drainage basin and the health of the receiving stream. In this paper, we quantify the amount of impervious cover within 56 14-digit hydrologic unit codes (HUCs) in Frederick County, Maryland, USA. This test data set will help in the development of region-wide impervious cover estimation methodologies. The software, sampling and analysis systems were developed to yield accurate and reproducible results. Digital orthophoto quarter quadrangles (DOQQ) from the U.S. Geological Survey were chosen as the basic media for the analysis. Ground features were identified and categorized by human analysts with the help of Geographic Information System (GIS) software and a prototype "cover tool" extension.
随着美国人口的增长,来自城市和郊区的非点源污染(NPS)正在迅速增加。近年来的研究一致表明,流域中不透水覆盖的百分比与接收流的健康状况之间存在很强的关系。在本文中,我们量化了美国马里兰州弗雷德里克县56个14位水文单位代码(huc)内的不透水覆盖面积。该测试数据集将有助于开发全区域不透水覆盖估算方法。开发了软件、采样和分析系统,以产生准确和可重复的结果。选取美国地质调查局的数字正射影像四分之一四边形(DOQQ)作为分析的基本介质。在地理信息系统(GIS)软件和原型“覆盖工具”扩展的帮助下,人类分析人员识别和分类了地面特征。
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引用次数: 12
Barriers to the implementation of management systems: lessons from the past. 管理制度实施的障碍:过去的教训。
Pub Date : 2000-01-01 DOI: 10.1080/105294100753209147
D. Gardner
There is a substantial body of evidence, both empirical and anecdotal, concerning factors associated with the success and failure of management systems. Given the increasing interest in management systems for occupational health and safety, quality, and the environment, it is worth looking at some of these factors in order to learn from them and plan for the future. One of the most comprehensive sources of information about factors that can make a management system succeed or fail lies in the material written about systems that improve the quality of products and services. Such systems were extremely widespread during the 1970s and 1980s but are now much less often cited or studied by Australian organisations. One of the reasons underlying the present relative lack of emphasis is that such programs, both here and overseas, experienced a failure rate of between 85% and 95%. While it may seem unlikely that occupational health and safety (OHS) and environmental management systems will experience similar failure rates, it is still worthwhile to look at what went wrong with other systems and to learn from these experiences.
关于与管理制度的成功和失败有关的因素,有大量的经验和轶事证据。鉴于对职业健康与安全、质量和环境管理体系的兴趣日益增加,有必要研究其中的一些因素,以便从中学习和规划未来。关于决定管理体系成功或失败的因素的最全面的信息来源之一是关于提高产品和服务质量的体系的材料。这种系统在20世纪70年代和80年代非常普遍,但现在被澳大利亚组织引用或研究的次数要少得多。目前相对缺乏重视的原因之一是,无论是在美国还是在海外,此类项目的失败率都在85%至95%之间。虽然职业健康与安全(OHS)和环境管理系统似乎不太可能出现类似的失败率,但仍然值得研究其他系统的问题并从这些经验中吸取教训。
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引用次数: 30
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Quality assurance
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