1.1 本试验方法通过将材料重复暴露在典型的源分离有机城市固体废物（MSW）堆肥条件下，涵盖了材料的生物降解特性。使用合成堆肥基质在受控条件下对材料进行堆肥，并确定试验期间的适应时间、累积吸氧量、累积二氧化碳产生量和理论生物降解百分比。本试验方法不确定堆肥产品的任何用途的适用性。 1.2 该试验在中温温度下进行。一些市政堆肥作业在作业期间达到高温。 高温会影响某些材料的生物降解。本试验的目的不是复制市政堆肥操作中达到高温的条件。 1.3 以英寸-磅和国际单位制表示的数值应单独视为标准。括号中给出的值仅供参考。 1.4 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。 1.5 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 城市生活垃圾堆肥被认为是整体固体废物管理战略的重要组成部分。通过堆肥实现的体积减少，结合可用最终产品的生产（例如，作为土壤改良剂的堆肥），导致市政当局分析和选择来源- 分离有机垃圾堆肥作为可生物降解有机材料填埋处置的替代方案。本标准提供了一种分析和确定材料对堆肥过程的影响以及堆肥过程作为有机固体废物管理方法的性能、效用和可行性的方法。 5. 使用该方法，可以确定工艺性能的关键参数，包括理论耗氧量（THO）和理论二氧化碳产量（ThCO） 2. P） 已确定。 5.2 该试验方法提供了整个堆肥过程的模拟，同时保持了再现性。将试验材料与通常存在于MSW中的几种其他类型的有机材料一起暴露，提供了一个提供堆肥过程关键特征的环境，包括直接测量生物体呼吸。

1.1 This test method covers the biodegradation properties of a material by reproducibly exposing materials to conditions typical of source-separated organic municipal solid waste (MSW) composting. A material is composted under controlled conditions using a synthetic compost matrix and determining the acclimation time, cumulative oxygen uptake, cumulative carbon dioxide production, and percent of theoretical biodegradation over the period of the test. This test method does not establish the suitability of the composted product for any use. 1.2 This test is performed at mesophilic temperatures. Some municipal compost operations reach thermophilic temperatures during operation. Thermophilic temperatures can affect the biodegradation of some materials. This test is not intended to replicate conditions within municipal compost operations that reach thermophilic temperatures. 1.3 The values stated in both inch-pound and SI units are to be regarded separately as the standard. The values given in parentheses are for information only. 1.4 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. 1.5 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 MSW composting is considered an important component in the overall solid waste management strategy. The volume reduction achieved by composting, combined with the production of a usable end product (for example, compost as a soil amendment), has resulted in municipalities analyzing and selecting source-separated organic MSW composting as an alternative to landfill disposal of biodegradable organic materials. This standard provides a method to analyze and determine the effect of materials on the compost process and the performance, utility, and feasibility of the composting process as a method for managing organic solid waste material. 5 Using this method, key parameters of process performance, including theoretical oxygen uptake (ThOU) and theoretical carbon dioxide production (ThCO 2 P) are determined. 5.2 This test method provides a simulation of the overall compost process while maintaining reproducibility. Exposing the test material with several other types of organic materials that are typically in MSW provides an environment which provides the key characteristics of the composting process, including direct measurement of organism respiration.