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SERVICES
Water Quality Analysis
Waste Characterization
Petroleum Analysis
Volatile
Semivolatile
Metals
Pesticides/PCBs/Herbicides
Low Level 1,4-Dioxane
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Davis & Floyd’s Environmental Laboratory provides comprehensive, high quality, and NELAP-accredited environmental
testing services to meet your regulatory and compliance needs. Offering services for water, wastewater, groundwater,
soil, sludges and other solids, biota, hazardous waste, etc., we provide a variety of organic and inorganic analysis.
We enforce strict quality control within our laboratory and maintain certifications that ensure consistent, high
quality data. We are ISO 17025 certified, maintain DoD ELAP certification, and are a DOE audited DOECAP Laboratory.
The following is a listing of analyses and methods performed in our laboratory:
| ANALYSIS |
METHODS |
| Alkalinity |
SM2320B |
| Ammonia-Nitrogen |
SM 4500-NH3 C, 4500-NH3 E |
| Biochemical Oxygen Demand (BOD) |
SM 5210B |
| Biosolids Preparation |
EPA/625/R-92/013 AppF |
| Bromide |
EPA 300.0, EPA 9056A |
| Carbonaceous BOD |
SM 5210B |
| Chemical Oxygen Demand |
HACH 8000 |
| Chloride |
EPA 300.0, SM 4500CL- E, EPA 9056A, EPA 9251 |
| Chromium. Hexavalent |
SM 3500-Cr B, EPA 7196A |
| Color |
SM 2120 B, 2120 C |
| Cyanide |
QUIKCHEM 10-204-00-1-X, EPA 9012B |
| Cyanide Amenable to Chlorination |
SM 4500-CN- C,G, EPA 9012B |
| Dissolved Oxygen |
SM 4500O G |
| Fecal Coliform (membrane filter) |
SM 9222 D |
| Fecal Coliform (most probable number) |
SM 9221 C |
| Fluoride |
EPA 300.0, SM4500F- B,C, EPA 9056A |
| Hardness, Total (as CaCO3) |
SM 2340B |
| Kjeldahl-Nitrogen |
SM 4500-NH3 C |
| Mercury |
EPA 245.2, EPA 7470A, EPA 7471B |
| Metals by ICP (Al, Sb, As, Ba, Be, B, Cd, Ca, Cr, Co, Cu, Fe, Pb, Ma, Mg, Mo, Ni, K, Se, Si, Ag, Na, Tl, Sn, Ti, V, Zn) |
EPA 200.7, EPA 6010C |
| Nitrate-Nitrite |
EPA 353.2 |
| Nitrate-Nitrogen |
EPA 300.0, NO3-NO2 minus NO2, EPA 9056A |
| Nitrite-Nitrogen |
EPA 300.0, EPA 353.2, EPA 9056A |
| Oil & Grease |
EPA 1664A, EPA 9070A, EPA 9071B |
| Organochlorine Pesticides & PCBs |
EPA 608 |
| Othophosphate |
SM 4500-P E |
| pH (Hydrogen Ion Concentration) |
EPA 150.1, SM 4500H+ B, EPA 9040C, EPA 9045D |
| Phenolics, Total Recoverable |
EPA 420.1, EPA 9065 |
| Phosphorus, Total |
SM 4500-P E |
| Residual Chlorine |
SM 4500-Cl G |
| Residue, Filterable (TDS) |
SM 2540 C |
| Residue, Nonfilterable (TSS) |
SM 2540 D |
| Residue, total (TS) |
SM 2540 B |
| Residue, Volatile (VS) |
EPA 160.4 |
| Semi-volatiles, Base/Neutrals and Acids |
EPA 625, EPA 8270D, EPA 3510C, EPA 3550C |
| Specific conductance |
EPA 120.1, SM 2510 B, EPA 9050A |
| Sulfate |
EPA 300.0, SM 426C, SM 4500-SO4 E, EPA 9038, EPA 9056A |
| Sulfide |
SM 4500-S2 D |
| Surfactants (MBAS) |
SM 5540 C |
| Temperature |
SM 2550 B |
| Total and Dissolved Organic Carbon |
SM 5310 B |
| Total Organic Carbon (TOC) |
SM 5310B, EPA 9060A |
| Volatiles, purgeables |
EPA 624 EPA 8260B, EPA 3585, EPA 5030B, EPA 5035 |
| Turbidity |
EPA 180.1 |
| Heterotrophic Bacteria |
SM 9215 B |
| Total Coliform/E. Coli |
SM 9223 B |
| Chlorinated Herbicides |
EPA 8151A |
| Ignitability |
EPA 1010A |
| TCLP – Bottle Extraction |
EPA 1311 |
| TCLP – Zero Headspace |
EPA 1311 |
| Paint Filter Liquids Test |
EPA 9095B |
| Organochlorine Pesticides |
EPA 8081B, EPA 3510C, EPA 3550C, EPA 3580A |
| Polychlorinated Biphenyls (PCBs) |
EPA 8082A, EPA 3510C, EPA 3550C, EPA 3580A |
| TPH Diesel Range Organics (DRO) |
EPA 8015C, EPA 3510C, EPA 3550C |
| Non-Halogenated Organics |
EPA 8015C |
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