Laboratory Services

EARDC Analytical Laboratory

The Edwards Aquifer Research and Data Center (EARDC) has been providing water analysis services since 1979. Samples analyzed are from wells, springs, rivers, municipalities, and wastewater treatment facilities for a variety of chemical and biological constituents. The EARDC laboratory is NELAP accredited.

EARDC’s commitment is to meet our client’s requirements by providing a high caliber of environmental and laboratory services. The goal of the EARDC laboratory is to generate an error free environment. The quality assurance management system at EARDC stresses training and planning which yields increased personal performance, improved laboratory management and the prevention of errors. The EARDC Quality Assurance program ensures that data produced is scientifically sound, legally defensible, and of known documentable and verifiable quality.

NELAC accreditation certificate
NELAC accreditation

 

Expand FAQ List

    • Alkalinity, bicarbonate
    • Alkalinity, total
    • Biochemical Oxygen Demand (BOD)
    • Carbonaceous BOD
    • Total Organic Carbon (TOC)
    • Chloride
    • Chlorine, total
    • Chlorine, free
    • Chemical Oxygen Demand (COD)
    • Conductivity
    • Nitrogen, Kjeldahl
    • Nitrogen, Nitrate
    • Nitrogen, Nitrite
    • Oil and Grease (FOG)
    • Phosphate, ortho
    • Phosphate Total
    • Total Dissolved Solids (TDS)
    • Total Solids (TS)
    • Total Suspended Solids (TSS)
    • Volatile Suspended Solids (VSS)
    • Sulfate
    • Silica
    • PH
    • Dissolved Oxygen (DO)
    • Turbidity
    • Cyanide, total
    • Fluoride
    • Hardness, total
    • Hardness, Calcium Carbonate
    • Nitrogen, Ammonia

    • Coliform, Total (MF)
    • Coliform, Total (Colilert)
    • Coliform, Fecal (MF)
    • Streptococci, Fecal (MF)
    • Microscopic Particulate Analysis

    • Total Dissolved Solids (TDS)
    • Alkalinity
    • Hardness
    • Calcium
    • Iron
    • Magnesium
    • Manganese
    • Sodium
    • Sulfate
    • Chloride
    • Fluoride
    • Nitrogen, nitrate
    • Total Coliform (Colilert)

    • Aluminum 
    • Antimony 
    • Arsenic 
    • Barium 
    • Beryllium 
    • Boron
    • Cadmium 
    • Calcium Chromium
    • Chromium (hexavalent)
    • Copper
    • Gold 
    • Iron
    • Lead 
    • Magnesium
    • Manganese 
    • Mercury (cold vapor)
    • Nickel 
    • Potassium
    • Selenium 
    • Silver 
    • Sodium
    • Strontium
    • Thallium 
    • Zinc  

    • Water Matrix
    • Semi-volatiles
    • Phenoxy Herbicides (17) 
    • Organochlorine Pesticides 
    • Organophosphate Pesticides
    • Total PCB’s (congeners) 
    • Base Neutral Extractables 
    • Acid Extractables 

  •      Volatiles

    • Purgeables (48) EPA 524.2 GC/MS
    • Purgeables (31) EPA 624 GC/MS
    • BTEX (6) EPA 524.2/624 GC/MS
    • BTEX/MTBE (7) EPA 503.1 PID/FID Soil/Sediment Matrix 

         Semi-Volatiles

    • Organochlorine Pesticides (SW-846) 8270A GC/MS
    • Organophosphate Pesticides (SW-846) 8270A GC/MS
    • Total PCB’s (congeners) EPA 680 GC/MS
    • Semi-volatiles (w/OC-pesticides) (SW-846) 8270A GC/MS

     

    *Methods for analysis may change due to a newer updated method in use.