Consulting Services In addition to conducting laboratory tests PRIMA Environmental offers consulting services to assist clients with chemical and technical issues. TECHNICAL OVERSIGHT Many new and emerging remediation technologies are new uses of old chemistry. PRIMA Environmental has extensive experience with several innovative technologies and recognizes the importance of chemical knowledge when designing effective treatment systems. PRIMA Environmental works closely with engineers and geoscientists to provide the chemical information necessary to ensure successful implementation. Innovative technologies with which PRIMA Environmental is experienced include: Fenton’s Reagent (hydrogen peroxide plus a catalyst) Zero-Valent Iron Permanganate Oxidation Stabilization of Cr(VI) Sulfur-Modified Iron (SMI-III™) Adsorbents for arsenic removal Persulfate Oxidation Ozone Ozone+peroxide Calcium Polysulfide

SCIENTIFIC CONSULTING SERVICES Understanding the science behind different management options can help identify the best approach for addressing environmental issues at a site and help stake-holders accept and support that approach. PRIMA Environmental offers chemical expertise to assist clients with the following: Scientific review of previous treatability studies and other reports, Development and/or review of testing protocols, Literature searches/reviews, Identification of unknowns (through in-house laboratory testing, literature review, and/or coordi nation of outside laboratory testing), Presentation of scientific issues and information to clients, legal counsel, regulatory agencies, stakeholders, students and other interested groups, and Unusual projects requiring chemical knowledge Copyright © PRIMA Environmental 2003 - 2008