CONGRATULATIONS EMB IX REGIONAL ENVIRONMENTAL LABORATORY (REL)
AND SATELLITE LABORATORIES for achieving a 100% passing score in the 2022
Proficiency Testing Exercise!

As part of the Proficiency Testing (PT) Program, cum Interlaboratory Comparison Exercises
of the EMB Laboratories, the EMB IX REL participated in the 2022 PT Exercise of Phenova’s
Water Pollution Study number 0722 conducted on July 5, 2022 to August 19, 2022, which was
facilitated by the EMB Environmental Research and Laboratory Services Division.

The parameters that participated were pH, Dissolved Oxygen (DO), Biochemical Oxygen
Demand (BOD5), Chemical Oxygen Demand (COD), Total Suspended Solids (TSS), and
Color, which all passed Phenova’s evaluation.

The analysis of PT Samples was performed in the EMB IX REL Main Laboratory in
Zamboanga City.