S613标准系列的这一部分涉及普遍接受的设计原则和测试 作为职业健康和安全管理体系（OHSMS）的一部分，定义和鉴定污染环境中使用的HVAC系统过滤器的程序。本文件旨在为负责农业应用设计的工程师和在特定危险环境中运行时寻找过滤器的应用专家提供指南。

This part of the S613 standard series is concerned with the generally accepted design principles and test procedures that define and qualify a filter for an HVAC system used in contaminated environments as part of an Occupational Health and Safety Management System (OHSMS). This document is intended to be a guide for engineers who are responsible for designs used in agricultural applications and for application specialists who are looking for a filter to be used when operating in a specific hazardous environment.