描述了确定外部浮顶储罐甲板配件蒸发损失系数的程序。测试方法包括测量测试组件随时间的重量损失。本标准规定了所使用的试验装置、仪器、试验程序和计算程序。它还涉及要测量的变量、报告测试值的格式及其相关的不确定性。

Describes the procedures to establish evaporative loss factors for deck fitting on external floating-roof tanks. The test method involves measuring the weight loss of a test assembly over time. The standard specifies the test apparatus, instruments, test procedures and calculation procesures to be used. It also addresses the variables to be measured, format for reporting the test values and their associated uncertainty.