Hazen Research
Certified by the Colorado Department of Public Health and Environment (certification CO00008). Listed by CDPHE as accepting outside samples. Certified analytes: Nitrate-N, Chloride, Fluoride, Total Organic Carbon, Uranium, Thallium, Selenium, Lead, Copper, Chromium, Beryllium, Barium, Arsenic, Radium-228, Radium-226, Gross Beta, Gross Alpha, Antimony, Cadmium, Nickel, Sulfate.