2016 Fall - UH - None - Muhammad Zia - Soil Sample Data for Soil Sample and Researcher Rivergreen Park, Cinco Crossing Lane, Katy, TX 77494, United States Collection Date of Soil Sample August 30, 2016 Positive Paraoxon, Negative Methyl Parathion Researcher Muhammad Zia Organization University of Houston Course Term Fall Year of Course 2016 Images for Soil Sample