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Risk-Based Inspection

API ICP Self Study Notes

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11.5.3 Toxic Releases 有 毒 物 质 释 放<br />

Toxic releases, in RBI, are only addressed when they affect personnel (site and<br />

public). These releases can cause effects at greater distances than<br />

flammable events. Unlike flammable releases, toxic releases do not require<br />

an additional event (e.g. ignition, as in the case of flammables) to cause<br />

personnel injuries. The RBI program typically focuses on acute toxic risks<br />

that create an immediate danger, rather than chronic risks from low-level<br />

exposures. The toxic consequence is typically derived from the following<br />

elements: 此 风 险 评 估 通 常 着 重 于 建 立 即 时 危 险 的 急 性 中 毒 性 风 险 , 而 不 是 从 少<br />

量 接 触 慢 性 风 险 . 有 毒 的 后 果 通 常 是 源 于 以 下 元 素<br />

a) volume of fluid released and toxicity, 释 放 和 毒 性 的 液 量<br />

b) ability to disperse under typical process and environmental conditions,<br />

在 典 型 的 过 程 和 环 境 条 件 下 分 散 能 力<br />

c) detection and mitigation systems, 检 测 和 缓 解 系 统<br />

d) population in the vicinity of the release. 释 放 点 附 近 人 口 分 布<br />

API 580<br />

Charlie Chong/ Fion Zhang

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