318-220-9067
(800)256-6110

Chain of custody (pdf)

Chain of custody instructions

Chain of Custody  (EXCEL)

GULF STATES ENVIRONMENTAL LABORATORIES

GSEL offers a complete solution to all of your sample collection needs.  
Our field technicians are committed to prompt service, sample integrity, and attention to detail.  Our field services include water and waste-water sample collection or pick-up, hydro-static testing sample collection, and grease trap effluent sample collection.   
We also provide soil collection such as spill testing, oil and gas pits and closures and waste characterization samples.  

Contact us today for your sampling needs!
   
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