原油的分类与装填至铁路罐车

[中文适用范围]： 本文件为铁路罐车装运石油原油（原油）的物料表征、运输分类及数量测量提供指导，并包含测量结果文档化的相关建议。文件明确了石油原油用于运输分类时的采样与测试频率判定标准。本文件仅适用于在美国《联邦法规》（CFR）发布时归类为危险类3—易燃液体的石油原油。 [外文原描述]： This document provides guidance on the material characterization, transport classification, and quantity measurement of petroleum crude oil (crude oil) for the loading of rail tank cars. Guidance on the documentation of measurement results is also provided. The criteria for determining the frequency of sampling and testing of petroleum crude oil are identified for transport classification. This document applies only to petroleum crude oil classified as Hazard Class 3—Flammable Liquid under the U.S. Code of Federal Regulations (CFR) at the time of publication.