2018 Spring - UH - None - Alaa Aly Data for Soil Sample and Researcher Bayou Oaks, 5063 Calhoun Rd., Houston, 77004, United States Collection Date of Soil Sample February 6, 2018 Positive Paraoxon, Negative Methyl Parathion Researcher Alaa Aly Organization University of Houston Course Term Spring Year of Course 2018 Images for Soil Sample