Classical Wet Chemistry

The wet chemistry lab at ESG Laboratories provides a multitude of environmental analysis.  Some of which are:

  • Ammonia Nitrogen (NH3)
  • Ammonia Nitrogen (NH3)
  • Biochemical Oxygen Demand (BOD)
  • Carbonaceous Biochemical Oxygen Demand (cBOD)
  • Chemical Oxygen Demand (COD)
  • Chloride
  • Cyanide
  • Dissolved Oxygen
  • Fluoride
  • Nitrate-Nitrite
  • Nitrogen
  • Oil and Grease (O&G HEM)
  • pH
  • Phenols
  • Phosphate
  • Phosphorus
  • Sulfate
  • Sulfide
  • Total Kjedahl Nitrogen (TKN)
  • Total Petroleum Hydrocarbon (TPH, O&G SGT HEM)
  • Total Suspended Solids (TSS)

ESG Laboratories applies many various methods in our wet chemistry lab.  For specific information concerning any analysis, please contact Client Services.  All samples are collected, handled, prepared and analyzed in accordance with USEPA 40 CFR Part 136 as amended.

To order an analysis or for a quote:

Contact Steve Cohen, Manager of Client Services at (317) 290-1471 or e-mail us at This e-mail address is being protected from spambots. You need JavaScript enabled to view it .


ESG serves corporate, private and governmental customers. Tests are performed by qualified professionals in well-equiped laboratories.

ESG reports are for compliance with US EPA & IDEM regulations, and are routinely reviewed by the following:

Indiana Department of Environmental Management (IDEM)
Office of Water Quality (OWQ)
Office of Land Quality (OLQ)
Drinking Water Branch