1.1 本试验方法规定了使用电感耦合等离子体原子发射光谱法（ICP-AES）收集、样品制备和分析空气中颗粒物中金属和类金属含量的程序。该方法普遍适用于职业暴露监测。 1.2 本试验方法适用于气载颗粒物可吸入或可呼吸部分的个人采样和区域采样。 1.3 本试验方法应由在ICP-AES的使用、光谱和基质干扰的解释以及校正程序方面有经验的分析员使用。 1.4 本试验方法规定了从空气中颗粒物样品制备试验溶液的许多替代方法。规定的样品制备方法之一适用于测量可溶性金属或类金属化合物。其他规定方法适用于总金属和类金属的测量。 1.5 用户有责任确保本试验方法对未经试验基质的取样材料的有效性。 1.6 以下是本文件中规定的一种或多种样品溶解方法适用的金属和类金属的非排他性列表。 然而，关于这些元素的溶解方法的有效性，没有足够的可用信息。 铝 铟 钠 锑 铁 锶 砷 领导 钽 钡 锂 碲 铍 镁 铊 铋 锰 锡 硼 钼 钛 镉 镍 钨 钙 磷 铀 铯 铂金 钒 铬 钾 钇 钴 铑 锌 铜 硒 锆 铪 银 1.7 本试验方法不适用于元素汞的取样，也不适用于以气态或蒸气状态存在的金属和类金属的无机化合物。 1.8 由于适用ICP-AES仪器的不同品牌和型号之间存在差异，因此未提供详细的操作说明。相反，分析员应遵循特定仪器制造商提供的说明。本试验方法不涉及不同装置的比较精度或相同品牌和型号仪器之间的精度。 1.9 本试验方法包含解释性注释，不属于本试验方法强制性要求的一部分。 1.10 以国际单位制表示的数值应视为标准值。 本标准不包括其他计量单位。 1.11 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、健康和环境实践，并确定监管限制的适用性。 1.12 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 5.1 许多行业的工人因吸入有毒金属和类金属而面临健康风险。工业卫生学家和其他公共卫生专业人员需要确定为控制工人暴露而采取的措施的有效性，这通常通过进行工作场所空气测量来实现。颁布本试验方法是为了提供一种标准方法，用于对工业中使用的各种金属和类金属进行有效的暴露测量。 这将有利于关注工作健康和安全的机构；工业卫生学家和其他公共卫生专业人员；分析实验室；金属和类金属的工业用户及其工人和其他群体。 5.2 本试验方法规定了使用ICP-AES测定工作场所空气中金属和类金属质量浓度的通用方法。 5.3 分析结果可用于评估工作场所空气中金属和类金属的暴露情况。 5.4 当按照本试验方法进行取样和分析时，整个程序通常满足ISO 20581的性能要求。 注2: 请参阅指南 E1370 为制定适当的暴露评估和测量策略提供指导。

1.1 This test method specifies a procedure for collection, sample preparation, and analysis of airborne particulate matter for the content of metals and metalloids using inductively coupled plasma-atomic emission spectrometry (ICP-AES). The method is generally applicable to occupational exposure monitoring. 1.2 This test method is applicable to personal sampling of the inhalable or respirable fraction of airborne particles and to area sampling. 1.3 This test method should be used by analysts experienced in the use of ICP-AES, the interpretation of spectral and matrix interferences, and procedures for their correction. 1.4 This test method specifies a number of alternative methods for preparing test solutions from samples of airborne particulate matter. One of the specified sample preparation methods is applicable to the measurement of soluble metal or metalloid compounds. Other specified methods are applicable to the measurement of total metals and metalloids. 1.5 It is the user's responsibility to ensure the validity of this test method for sampling materials of untested matrices. 1.6 The following is a non-exclusive list of metals and metalloids for which one or more of the sample dissolution methods specified in this document is applicable. However, there is insufficient information available on the effectiveness of dissolution methods for those elements in italics. Aluminum Indium Sodium Antimony Iron Strontium Arsenic Lead Tantalum Barium Lithium Tellurium Beryllium Magnesium Thallium Bismuth Manganese Tin Boron Molybdenum Titanium Cadmium Nickel Tungsten Calcium Phosphorus Uranium Cesium Platinum Vanadium Chromium Potassium Yttrium Cobalt Rhodium Zinc Copper Selenium Zirconium Hafnium Silver 1.7 This test method is not applicable to the sampling of elemental mercury, or to inorganic compounds of metals and metalloids that are present in the gaseous or vapor state. 1.8 No detailed operating instructions are provided because of differences among various makes and models of suitable ICP-AES instruments. Instead, the analyst shall follow the instructions provided by the manufacturer of the particular instrument. This test method does not address comparative accuracy of different devices or the precision between instruments of the same make and model. 1.9 This test method contains notes that are explanatory and are not part of the mandatory requirements of this test method. 1.10 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.11 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.12 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 5.1 The health of workers in many industries is at risk through exposure by inhalation to toxic metals and metalloids. Industrial hygienists and other public health professionals need to determine the effectiveness of measures taken to control workers’ exposures, and this is generally achieved by making workplace air measurements. This test method has been promulgated in order to make available a standard methodology for making valid exposure measurements for a wide range of metals and metalloids that are used in industry. It will be of benefit to agencies concerned with health and safety at work; industrial hygienists and other public health professionals; analytical laboratories; industrial users of metals and metalloids and their workers, and other groups. 5.2 This test method specifies a generic method for determination of the mass concentration of metals and metalloids in workplace air using ICP-AES. 5.3 The analysis results can be used for the assessment of workplace exposures to metals and metalloids in workplace air. 5.4 When sampling and analysis is carried out in accordance with this test method, the overall procedure normally satisfies the performance requirements of ISO 20581. Note 2: Refer to Guide E1370 for guidance on the development of appropriate exposure assessment and measurement strategies.