• Bacteria - Escherichia coli (E. coli) and Total Coliform.
  • Inorganic - Nitrate/Nitrite, chloride, fluoride, etc...
  • Metals & Minerals – Arsenic, lead, copper, iron, manganese, calcium, etc…
  • Radon – radioactive gas (we also offer Radon Air testing).
  • Radiological – Analytical/Compliance Gross Alpha, Radium 226 & 228, Uranium etc…
  • Volatile Organic Compounds (VOC) – MtBE and over 70 other solvent-type compounds.
  • Synthetic Organic Compounds (SOC)– herbicides, pesticides, insecticides, and plasticizers.
  • Disinfection Byproducts (THMs & HAAs) - trihalomethanes and haloacetic acids. Formed when chlorine & other types of disinfectants react with organic & inorganic matter/precursors.
Drinking Water Analysis

Besides practicing qualified methodologies & being nationally accredited, GSA focuses on utilizing technology & instrumentation backed by years of experience in the industry.    

GSA specializes in the following test packages:
*For a full list of our accredited analytes, click here*