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Water <br /> Systems <br /> ._/" Engineering, Inc. <br /> Date: May 15, 2015 <br /> Lab Report No. 20175 <br /> Chris Abeyta <br /> Aquionix Inc. <br /> 3700 East 415t Avenue <br /> Denver, CO 80216 <br /> Project Description: ACR, MLGW-ACR; Samples dated 4/28/15 <br /> Complete Profile (1) <br /> Test Description: <br /> The Complete Well Profile analysis is designed for comparative analysis of two samples, typically one <br /> static and one pumping sample. The Complete Well Profile utilizes a series of inorganic chemical and <br /> microbiological tests to identify fouling and corrosion issues with potential impacts on the operation of the <br /> sampled well. The tests include a number of inorganic chemical parameters such as pH, total dissolved <br /> solids/conductivity, hardness, alkalinity, oxidation reduction potential (ORP), bicarbonate, carbonates, <br /> silica, sodium, potassium, chloride, iron, manganese, phosphate, nitrate, sulfate, and total organic carbon <br /> (TOC). Biological assessment is designed to quantify the total bacterial population, identify two dominant <br /> populations of bacteria, assess anaerobic conditions, and identify the presence of iron related bacteria <br /> and sulfate reducing organisms. Also included are tests for Adenosine triphosphate (ATP), heterotrophic <br /> plate count(HPC), total coliform and E. coli coliform, and a microscopic evaluation. <br /> Testing Procedures: <br /> All laboratory testing procedures are performed according to the guidelines set forth in Standard Methods <br /> for the Examination of Water and Wastewater as established by the American Public Health Association <br /> (APHA), American Water Works Association (AWWA), and Water Environment Federation (WEF). <br /> Corrosion analyses are performed in accordance with the guidelines as set forth by the National <br /> Association of Corrosion Engineers (NACE). In general, these methods are approved by both the <br /> Environmental Protection Agency(EPA) and AWWA for the reporting of water and/or wastewater data. <br /> Sample collection and shipment is the responsibility of the customer, performed according to protocol and <br /> procedures defined by the laboratory in advance of the sampling event with regards to the specific project <br /> and nature of the problem. <br /> Disclaimer: <br /> The data and interpretations presented are based on an evaluation of the samples and submitted data. <br /> Conclusions reached in this report are based upon the data available at the time of submittal and the <br /> accuracy of the report depends upon the validity of information submitted. Any recommendations <br /> presented are based on laboratory and field evaluations of similar fouling occurrences within potable <br /> water systems. Further investigative efforts, such as efficiency testing, site inspection, video survey, or <br /> other evaluation methods may offer additional insight into the system's condition and the degree of fouling <br /> present. <br /> Water Systems Engineering,Inc. An Investigative Water Consulting&Design Laboratory <br />