Download Chain of Custody Forms Chain of Custody Submission Please complete the form below to submit your Chain of Custody (COC) form and related documents. All fields marked with * are required. Company Name* Contact Name* Email Address* Phone Number* Test Type* —Please choose an option—GeotextileGCL TestingGeomembraneInterface TestingGeocompositeGeonetSoils - NJSoils - SCHydraulic Transmissivity Upload Chain of Custody Form* Additional Comments or Instructions I confirm that the information provided is accurate and complete.