Najarian Associates collects surface water, ground water, sediment and soil samples in accordance with NJDEP's NJAC 7:26E Technical Requirements.  Najarian Associates is NJDEP-certified (Certification # US00816) for closure and installation of underground storage tank (UST) systems, sub-surface evaluations and tank testing.  Also, Najarian Associates is NJDEP Certified (NJDEP I.D. # 13012) for laboratory and field measurement of temperature, pH, specific conductivity and dissolved oxygen.