Qiuqin Zhang Residue Chemistry and Predictive Microbiology Visiting Scientist Phone: (215) 233-6927 Fax: (215) 233-6581 Room 2129-2 USDA,REE,ARS,NAA,ERRC 600 E MERMAID LANE WYNDMOOR, PA, 19038-8598       Last Modified: 05/21/2013