【摘 要】
：
The proposed US EPA Method 325 uses the technique of passive(diffusive)sampling to collect air samples at specific intervals along the fence line of petroleum refineries1.
【机 构】
：
Supelco,Division of Sigma-Aldrich,Bellefonte,PA 16823,USA
论文部分内容阅读
The proposed US EPA Method 325 uses the technique of passive(diffusive)sampling to collect air samples at specific intervals along the fence line of petroleum refineries1.
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