Overview Positive for Paraoxon and negative for Methly Parthion Date of Collection Tue, 02 Feb 2016 Results Number of Colonies of Paraoxon 1467 Number of Colonies of Methyl Parathion 0 Research References Cataloged No Location Geolocation for Sample 29.529377, -95.747231 Location Street 6320 Rohan Rd Location City Richmond Location State TX Location Country US Location Postal Code 77469