关键词：大气；空气污染；颗粒物
摘 要：The Special Analytical Studies Group at the 222-S Laboratory (222-S) examined the particulate recovered from a series of samples from the annular space of tank 241-AY-102 (AY-102) using solid phase characterization (SPC) methods. These include scanning electron microscopy (SEM) using the ASPEX1 scanning electron microscope, X-ray diffraction (XRD) using the Rigaku2 MiniFlex X-ray diffractometer, and polarized light microscopy (PLM) using the Nikon3 Eclipse Pol optical microscope. The SEM is equipped with an energy dispersive X-ray spectrometer (EDS) to provide chemical information. Gary A. Cooke conducted the SEM analysis, John Pestovich performed the XRD analysis, and Dr. Heinz Huber performed the PLM examination. The results and conclusion of these analyses are presented here.