Accurate Labs Inc. - Stillwater

505 South Lowry Street, Stillwater, OK 74074

Certified drinking-water tests (115)

BacteriaNitrate & nitriteLead & copperPFASRadiologicalVOCsDisinfection byproductsPesticides, herbicides & PCBsArsenic & other metalsMinerals & general chemistry

Bacteria (coliform, E. coli) (4)

Escherichia coli (m-ColiBlue24 MF)
Fecal coliforms (SM 9222 D 23rd ED (2014))
Heterotrophic plate count (SimPlate«)
Total coliforms (SM 9222 B 23rd ED (2015))

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 200.7_4.4_1994)
Lead (EPA 200.8_5.4_1994)

PFAS ("forever chemicals") (6)

Hexafluoropropyleneoxide dimer acid (HFPO-DA) (GenX) (EPA 533_2019)
Perfluorobutane sulfonic acid (PFBS) (EPA 533_2019)
Perfluorohexane sulfanoic acid (PFHxS) (EPA 533_2019)
Perfluorononanoic acid (PFNA) (EPA 533_2019)
Perfluorooctane sulfonic acid (PFOS) (EPA 533_2019)
Perfluorooctanoic acid (PFOA) (EPA 533_2019)

Radiological (radium, uranium, gross alpha) (1)

Uranium (mass) (EPA 200.8_5.4_1994)

VOCs (benzene, solvents, fuel compounds) (20)

1,1,1-Trichloroethane (EPA 524.3)
1,1,2-Trichloroethane (EPA 524.3)
1,1-Dichloroethylene (EPA 524.3)
1,2,4-Trichlorobenzene (EPA 524.3)
1,2-Dichlorobenzene (EPA 524.3)
1,2-Dichloroethane (EPA 524.3)
1,2-Dichloropropane (EPA 524.3)
1,4-Dichlorobenzene (EPA 524.3)
Benzene (EPA 524.3)
Carbon tetrachloride (EPA 524.3)
Chlorobenzene (EPA 524.3)
Ethylbenzene (EPA 524.3)
Methylene chloride (Dichloromethane) (EPA 524.3)
Styrene (EPA 524.3)
Tetrachloroethylene (Perchloroethylene) (EPA 524.3)
Toluene (EPA 524.3)
Trichloroethene (Trichloroethylene) (EPA 524.3)
Vinyl chloride (chloroethene) (EPA 524.3)
cis-1,2-Dichloroethylene (EPA 524.3)
trans-1,2-Dicloroethylene (EPA 524.3)

Disinfection byproducts (THMs, HAA5) (15)

1,2-Dibromo-3-chloropropane (DBCP) (Dibromochloropropane) (EPA 504.1_1.1_1995)
Bromate (EPA 300.1)
Bromoacetic acid (EPA 552.2_1_1995)
Bromodichloromethane (EPA 524.3)
Bromoform (EPA 524.3)
Chlorate (EPA 300.1)
Chlorite (EPA 300.1)
Chloroacetic acid (EPA 552.2_1_1995)
Chloroform (EPA 524.3)
Dibromoacetic acid (EPA 552.2_1_1995)
Dibromochloromethane (EPA 524.3)
Dichloroacetic acid (EPA 552.2_1_1995)
Total haloacetic acids (EPA 552.2_1_1995)
Total trihalomethanes (THM) (EPA 524.3)
Trichloroacetic acid (EPA 552.2_1_1995)

Pesticides, herbicides & PCBs (36)

1,2-Dibromoethane (EDB, Ethylene dibromide) (EPA 504.1_1.1_1995)
2,4-D (EPA 515.4_1_2000)
Alachlor (EPA 525.2_2_1995)
Aroclor-1016 (PCB-1016) (EPA 508_3.1_1995)
Aroclor-1221 (PCB-1221) (EPA 508_3.1_1995)
Aroclor-1232 (PCB-1232) (EPA 508_3.1_1995)
Aroclor-1242 (PCB-1242) (EPA 508_3.1_1995)
Aroclor-1248 (PCB-1248) (EPA 508_3.1_1995)
Aroclor-1254 (PCB-1254) (EPA 508_3.1_1995)
Aroclor-1260 (PCB-1260) (EPA 508_3.1_1995)
Atrazine (EPA 525.2_2_1995)
Benzo(a)pyrene (EPA 525.2_2_1995)
Carbofuran (Furaden) (EPA 531.1_3.1_1995)
Chlordane (tech.) (EPA 508_3.1_1995)
Dalapon (EPA 515.4_1_2000)
Di(2-ethylhexyl) phthalate (bis(2-Ethylhexyl)phthalate, DEHP) (EPA 525.2_2_1995)
Dinoseb (2-sec-butyl-4,6-dinitrophenol, DNBP) (EPA 515.4_1_2000)
Diquat (EPA 549.2_1_1997)
Dissolved organic carbon (DOC) (SM 5310 C 23rd ED (2014))
Endothall (EPA 548.1_1_1992)
Endrin (EPA 525.2_2_1995)
Glyphosate (EPA 547_1990)
Heptachlor (EPA 525.2_2_1995)
Heptachlor epoxide (EPA 525.2_2_1995)
Hexachlorobenzene (EPA 525.2_2_1995)
Hexachlorocyclopentadiene (EPA 525.2_2_1995)
Methoxychlor (EPA 525.2_2_1995)
Oxamyl (EPA 531.1_3.1_1995)
Pentachlorophenol (EPA 515.4_1_2000)
Picloram (EPA 515.4_1_2000)
Silvex (2,4,5-TP) (EPA 515.4_1_2000)
Simazine (EPA 525.2_2_1995)
Total organic carbon (SM 5310 C 23rd ED (2014))
Toxaphene (Chlorinated camphene) (EPA 508_3.1_1995)
bis(2-ethylhexyl)adipate (EPA 525.2_2_1995)
gamma-BHC (Lindane, gamma-Hexachlorocyclohexane) (EPA 525.2_2_1995)

Arsenic & other metals (14)

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)
Chromium (EPA 200.8_5.4_1994)
Magnesium (EPA 200.7_4.4_1994)
Mercury (EPA 245.1_3_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) (14)

Alkalinity as CaCO3 (SM 2320 B 23rd ED (2011))
Bromide (EPA 300.1)
Conductivity (SM 2510 B 20th ED (1998))
Fluoride (EPA 300_2.1_1993)
Orthophosphate as P (EPA 365.1_2_1993)
Residual free chlorine (SM 4500-Cl G 23rd ED (2011))
Residue-filterable (TDS) (SM 2540 C 24th ED)
Silica as SiO2 (EPA 200.7_4.4_1994)
Temperature, deg. C (SM 2550 B 23rd ED)
Total cyanide (EPA 335.4_1_1993)
Total residual chlorine (SM 4500-Cl G 23rd ED (2011))
Turbidity (SM 2130 B 23rd ED (2011))
UV 254 (SM 5910 B 23rd ED (2013))
pH (SM 4500-H+ B 23rd 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 8316). Listing checked 2026-10-31. Call the lab to confirm it's certified for the specific test you need before sending a sample.