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Environmental Resource Technologies

131 Arlington St., Ada, OK 74820-0722

(580) 332-8808 · Map

Certified drinking-water tests (65)BacteriaNitrate & nitriteLead & copperVOCsDisinfection byproductsArsenic & other metalsMinerals & general chemistry
Bacteria (coliform, E. coli) (3)
  • Escherichia coli (Modified Colitag (2009))
  • Heterotrophic plate count (SM 9215 B (PCA) 22nd ED (2004))
  • Total coliforms (Modified Colitag (2009))
Nitrate & nitrite (3)
  • Nitrate as N (EPA 300_2.1_1993)
  • Nitrate plus Nitrite as N (EPA 300_2.1_1993)
  • Nitrite as N (EPA 300_2.1_1993)
Lead & copper (2)
  • Copper (EPA 200.8_5.4_1994)
  • Lead (EPA 200.8_5.4_1994)
VOCs (benzene, solvents, fuel compounds) (22)
  • 1,1,1-Trichloroethane (EPA 524.2_4.1_1995)
  • 1,1,2-Trichloroethane (EPA 524.2_4.1_1995)
  • 1,1-Dichloroethylene (EPA 524.2_4.1_1995)
  • 1,2,4-Trichlorobenzene (EPA 524.2_4.1_1995)
  • 1,2-Dichlorobenzene (EPA 524.2_4.1_1995)
  • 1,2-Dichloroethane (EPA 524.2_4.1_1995)
  • 1,2-Dichloropropane (EPA 524.2_4.1_1995)
  • 1,4-Dichlorobenzene (EPA 524.2_4.1_1995)
  • Benzene (EPA 524.2_4.1_1995)
  • Carbon tetrachloride (EPA 524.2_4.1_1995)
  • Chlorobenzene (EPA 524.2_4.1_1995)
  • Ethylbenzene (EPA 524.2_4.1_1995)
  • Methylene chloride (Dichloromethane) (EPA 524.2_4.1_1995)
  • Styrene (EPA 524.2_4.1_1995)
  • Styrene (EPA 524.4)
  • Tetrachloroethylene (Perchloroethylene) (EPA 524.2_4.1_1995)
  • Toluene (EPA 524.2_4.1_1995)
  • Trichloroethene (Trichloroethylene) (EPA 524.2_4.1_1995)
  • Vinyl chloride (chloroethene) (EPA 524.2_4.1_1995)
  • Xylene (total) (EPA 524.2_4.1_1995)
  • cis-1,2-Dichloroethylene (EPA 524.2_4.1_1995)
  • trans-1,2-Dicloroethylene (EPA 524.2_4.1_1995)
Disinfection byproducts (THMs, HAA5) (11)
  • Bromoacetic acid (EPA 552.3 Rev 1 (2003))
  • Bromodichloromethane (EPA 524.2_4.1_1995)
  • Bromoform (EPA 524.2_4.1_1995)
  • Chloroacetic acid (EPA 552.3 Rev 1 (2003))
  • Chloroform (EPA 524.2_4.1_1995)
  • Dibromoacetic acid (EPA 552.3 Rev 1 (2003))
  • Dibromochloromethane (EPA 524.2_4.1_1995)
  • Dichloroacetic acid (EPA 552.3 Rev 1 (2003))
  • Total haloacetic acids (EPA 552.3 Rev 1 (2003))
  • Total trihalomethanes (THM) (EPA 524.2_4.1_1995)
  • Trichloroacetic acid (EPA 552.3 Rev 1 (2003))
Arsenic & other metals (12)
  • Antimony (EPA 200.8_5.4_1994)
  • Arsenic (EPA 200.8_5.4_1994)
  • Barium (EPA 200.7_4.4_1994)
  • Beryllium (EPA 200.7_4.4_1994)
  • Cadmium (EPA 200.7_4.4_1994)
  • Calcium (EPA 200.7_4.4_1994)
  • Chromium (EPA 200.7_4.4_1994)
  • Magnesium (EPA 200.7_4.4_1994)
  • Nickel (EPA 200.7_4.4_1994)
  • Selenium (EPA 200.8_5.4_1994)
  • Sodium (EPA 200.7_4.4_1994)
  • Thallium (EPA 200.8_5.4_1994)
Minerals & general chemistry (pH, hardness, fluoride, TDS) (12)
  • Alkalinity as CaCO3 (SM 2320 B 22nd ED (2011))
  • Chloride (EPA 300_2.1_1993)
  • Conductivity (SM 2510 B 22nd ED (2011))
  • Dissolved organic carbon (DOC) (EPA 415.3 Rev 1.2 (2009))
  • Fluoride (EPA 300_2.1_1993)
  • Orthophosphate as P (EPA 300_2.1_1993)
  • Specific UV Absorbance (SUVA) (EPA 415.3 Rev 1.2 (2009))
  • Temperature, deg. C (SM 2550 B 22nd ED (2011))
  • Total organic carbon (EPA 415.3 Rev 1.2 (2009))
  • Turbidity (SM 2130 B 22nd ED (2011))
  • UV 254 (EPA 415.3 Rev 1.2 (2009))
  • pH (SM 4500-H+ B 22nd ED (2011))

Official analyte and method names from the Oklahoma DEQ accreditation search, Drinking Water matrix, checked 2026-11-02.

Listed as an accredited commercial lab by the Oklahoma Department of Environmental Quality (DEQ) Laboratory Accreditation Program (state lab ID 8304). Listing checked 2026-10-31. Call the lab to confirm it's certified for the specific test you need before sending a sample.