1.1测定表面灰尘中石棉含量有多种目的。每个特定目的可能需要独特的采样策略、分析方法和数据解释程序。提供的程序有助于应用可用的方法来确定石棉表面负荷和/或表面灰尘中的石棉负荷，以便在两种环境之间进行比较。目前，本指南介绍了ASTM表面除尘方法的一种应用。预计未来将增加更多区域。对一种应用的讨论不应限制该方法在其他领域的使用。 1.2 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性。 有关具体的警告声明，请参阅5.7。 ====意义和用途====== 本指南描述了设计取样程序以比较两种环境中石棉粉尘负荷的研究人员应考虑的因素，并介绍了进行比较的统计方法。 每个用户负责设计调查，并解释使用粉尘数据时收集的数据。 本指南不涉及评估不同成分或不同表面粉尘的情况。 本指南描述了根据试验方法D 5755进行的取样和分析结果的解释方法 ，D 5756 ，和D 6480 . 将本指南中的程序与其他粉尘收集和分析方法结合使用可能是合适的，但这是用户的责任。 本指南中描述的方法不打算单独使用。它们拟与各种评估方法一起使用，这些方法可能包括考虑建筑物使用、建筑物内活动、空气采样、石棉调查（参考实施规程E 2356 )、建筑历史评估和建筑通风系统研究。 本指南描述了比较环境的方法，并没有得出任何关于石棉表面荷载与建筑物潜在安全性或可居住性的结论。 本指南不涉及风险评估或在风险评估中使用粉尘采样。 基于健康的风险评估超出了本指南的范围。 警告- 石棉纤维是公认的致癌物。呼吸石棉纤维会导致肺部疾病，包括石棉肺、肺癌和间皮瘤。在对怀疑含有石棉的材料进行采样和分析时，应采取预防措施，避免产生和吸入空气中的石棉颗粒。关于石棉的监管要求由美国环保局定义 4. , 5. 和OSHA 6. .

1.1 There are multiple purposes for determining the loading of asbestos in dust on surfaces. Each particular purpose may require unique sampling strategies, analytical methods, and procedures for data interpretation. Procedures are provided to facilitate application of available methods for determining asbestos surface loadings and/or asbestos loadings in surface dust for comparison between two environments. At present, this guide addresses one application of the ASTM surface dust methods. It is anticipated that additional areas will be added in the future. It is not intended that the discussion of one application should limit use of the methods in other areas. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see 5.7. ====== Significance And Use ====== This guide describes factors to be considered by an investigator designing a sampling program to compare the asbestos dust loadings in two environments and presents statistical methods for making the comparison. Each user is responsible for the design of an investigation and the interpretation of data collected when using dust data. This guide does not deal with situations where dusts of different compositions or from different surfaces are to be evaluated. This guide describes methods for interpreting the results of sampling and analysis performed in accordance with Test Methods D 5755 , D 5756 , and D 6480 . It may be appropriate to use the procedures in this Guide with other dust collection and analysis methods, but it is the responsibility of the user to make this determination. The methods described in this guide are not intended to be used alone. They are intended to be used along with various evaluation methods that may include consideration of building use, activities within the building, air sampling, asbestos surveys (refer to Practice E 2356 ), evaluation of building history and study of building ventilation systems. This guide describes methods for comparing environments and does not draw any conclusions relating asbestos surface loadings to the potential safety or habitability of buildings. This guide does not address risk assessments or the use of dust sampling in risk assessment. Health based risk assessments are beyond the scope of this guide. Warning— Asbestos fibers are acknowledged carcinogens. Breathing asbestos fibers can result in disease of the lungs including asbestosis, lung cancer, and mesothelioma. Precautions should be taken to avoid creating and breathing airborne asbestos particles when sampling and analyzing materials suspected of containing asbestos. Regulatory requirements addressing asbestos are defined by USEPA 4 , 5 and OSHA 6 .