| Analysis | Method | Container | Preservative | Holding Time |
| Acidity | 305.1 | 250 ML, P | Cool, 4C | 14 Days |
| Alkalinity | 310.1 | 250 ML, P | Cool, 4C | 14 Days |
| Aluminum | 200.7, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Ammonia Nitrogen | 350.1 | 500 ML, P | Cool, 4C, H2SO4 <2 | 28 Days |
| Antimony | 200.7, 204.2, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Arsenic | 200.7, 206.2, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Barium | 200.7, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Beryllium | 200.7, 210.2, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| BOD5 | 405.1 | 125 ML, P | Cool, 4C | 48 Hours |
| BTEX | 624, 8021, 8260 | 40 ML, G,T X 2 | Cool, 4C HCL <2 | 14 Days |
| Cadmium | 200.7, 213.2, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Calcium | 200.7, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| CBOD | 405.1 | 125 ML, P | Cool, 4C | 48 Hours |
| Chloride | 325.1 | 125 ML, P | None Required | 28 Days |
| Chlorinated Herbicides | 615, 8151 | 1 L, G, T | Cool, 4C | 7/40 Days |
| Chlorinated Hydrocarbons | 624, 8260 | 40 ML, G,T X 2 | Cool 4C, HCL <2 | 14 Days |
| Chlorine, Residual | 330.5 | 125 ML, P | None Required | A.S.A.P. |
| Chromium | 200.7, 218.2, 6010B, 7191 | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Chromium, Hexavalent | SM3500D | 125 ML, P | Cool, 4C | 24 Hours |
| COD | 410.4 | 125 ML, P | Cool, 4C, H2SO4 <2 | 28 Days |
| Coliform, Fecal | SM9222D | 100 ML, P | Sterile, Na2S2O3, 4C | 8 Hours |
| Coliform, Total | SM9223 | 100 ML, P | Sterile, Na2S2O3, 4C | 30 Hours |
| Copper | 200.7, 220.2, 6010B, 7210 | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Cyanides, Amenable | 335.1, 9012 | 250 ML, P | NaOH pH> 12, Cool, 4C | 14 Days |
| Cyanides, Free | 335.4 | 250 ML, P | NaOH pH> 12, Cool, 4C | 14 Days |
| Cyanides, Total | 335.4, 9012 | 250 ML, P | NaOH pH> 12, Cool, 4C | 14 Days |
| Dioxins & Furans | 1613 | 2.5 L,G,T | Cool, 4C | 365 Days |
| 8280/8290 | 2.5 L,G,T | Cool, 4C | 30/45 Days | |
| E. Coli | SM9223B | 100 ML, P | Sterile, Na2S2O3, 4C | 30 Hours |
| Fluoride | 340.2 | 500 ML, P | None Required | 28 Days |
| Gross Alpha + Beta | 900 | 1000 ML, P | HNO3 to pH <2 | 6 Months |
| Hardness | 130.2 | 250 ML, P | HNO3 to pH <2 | 6 Months |
| Iron | 200.7, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Kjeldahl Nitrogen, Total | 351.2 | 500 ML, P | H2SO4, Cool, 4C | 6 Months |
| Lead | 200.7, 239.2, 6010B,7421 | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Magnesium | 200.7, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Manganese | 200.7, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Mercury | 245.1, 7470A | 500 ML, P | HNO3 to pH <2 | 28 Days |
| Mercury, Low Level | 1631E | 500 ML, P | Cool, 4C | 28 Days |
| Nickel | 200.7, 249.2, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Nitrate | 353.2/SM4500 NO3F | 125 ML, P | Cool, 4C/H2SO4 <2 | 48 Hours/28 Days |
| Nitrate/Nitrite | 353.2, SM4500 NO3F | 125 ML, P | Cool, 4C, H2SO4 <2 | 5 Days |
| Nitrite | 354.1, M4500-NO3 F | 125 ML, P | Cool, 4C | 48 Hours |
| Nitroaromatics and Isophorone | 625, 8270C | 1 L, G, T | Cool, 4C | 7/40 Days |
| Nitrosamines | 625, 8270C | 1 L, G, T | Cool, 4C | 7/40 Days |
| Nonhalogenated Volatile Organics | 624, 8260 | 40 ML, G, T x 2 | Cool 4C, HCL | 14 Days |
| Oil and Grease | 413.1, 1664A, 5520F | 1 L,G | Cool 4C, H2SO4 <2 | 28/14 Days |
| Orthophosphate | 365.1 | 125 ML, P | Cool, 4C Filter on site | 48 Hours |
| PCBs | 608, 8082 | 1 L, G, T | Cool, 4C | 7/40 Days |
| Pesticides, Chlorinated | 608, 8081 | 1 L, G, T | Cool, 4C | 7/40 Days |
| pH | 150.1 | 125 ML, P | Measure on Site | * |
| Phenolics | 420.1 | 1 L,G | Cool, 4C,H2SO4 <2 | 28 Days |
| Phenols | 625, 8270C | 1 L,G,T | Cool, 4C | 7/40 Days |
| Phosphorus, Total | 365.1, SM4500-P F | 250 ML, P | Cool, 4C, H2SO4 <2 | 28 Days |
| Phosphorus, Ortho | 365.1, SM4500-P F | 250 ML, P | Cool, 4C | 48 Hours |
| Phthalate Esters | 608, 8270C | 1 L, G, T | Cool, 4C | 7/40 Days |
| Polynuclear Aromatic Hydrocarbons | 625, 8270C | 1 L, G, T | Cool, 4C | 7/40 Days |
| Potassium | 200.7, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Purgeable Aromatic Hydrocarbons | 624, 8260B | 40 ML,G,T X 2 | Cool, 4C, HCL <2 | 14 Days |
| Purgeable Halocarbons | 624, 8260B | 40 ML,G,T X 2 | Cool, 4C | 14 Days |
| Selenium | 200.7, 270.2, 6010B, 7041 | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Semi-volatile Organics | 625, 8270C | 1 L, G, T | Cool, 4C | 7/40 Days |
| Silica | 200.7, 6010B | 125 ML, P | HNO3 to pH <2 | 6 Months |
| Silver | 200.7, 272.2, 6010B, 7761 | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Sodium | 200.7, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Solids, Dissolved Total | 160.1 | 125 ML, P | Cool, 4C | 7 Days |
| Solids, Total | 160.3 | 125 ML, P | Cool, 4C | 7 Days |
| Solids, Total Suspended | 160.2 | 125 ML, P | Cool, 4C | 7 Days |
| Solids, Volatile | 160.4 | 125 ML, P | Cool, 4C | 7 Days |
| Sulfate | 375.4, SM4500-SO4 D | 250 ML, P | Cool, 4C | 28 Days |
| Surfactans (MBAs) | 425.1 | 250 ML, P | Cool, 4C | 48 Hours |
| Sulfide | 376.1 | 500 ML, P | NaOH, Zn(C2H3O2)2, Cool, 4C | 7 Days |
| Synthetic Organics | 504.1, 547 | 40 ML, G,T X 2 | Na2S2O3, Cool, 4C | 14 Days |
| 507, 515.1 | 1 L,G | Na2S2O3, Cool, 4C | 14 Days | |
| 508 | 1 L,G | Na2S2O3, Cool, 4C | 7 Days | |
| 525.2 | 1 L,G | NaS, HCL <2, Cool, 4C | 14 Days | |
| 531.1 | 40 ML, G,T X 2 | Na2S2O3, ClCH2COOH, Cool, 4C | 28 Days | |
| 548.1 | 250 ML, G | Na2S2O3, Cool, 4C | 7 Days | |
| 549.2 | 1 L,G | Na2S2O3, H2SO4, Cool, 4C | 7 Days | |
| 550.1 | 1 L,G | Na2S2O3, HCl, Cool, 4C | 7 Days | |
| TCLP Sample | 1311 | 1 L,G,T | Cool, 4C | 7/40 Days |
| TPH | 418.1 | 1 L,G | Cool, 4C, H2SO4 <2 | 28 Days |
| TPH-GRO | 8015A-Modified | 40 ML, G,T X 2 | Cool 4C, HCL <2 | 14 Days |
| TPH-DRO, TPH-ERO | 8015B | 1 L,G,T | Cool, 4C | 7/40 Days |
| Thallium | 200.7, 279.2, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Tin | 200.7, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |
| Total Organics Carbon | 415.2 | 40 ML, G,T X 2 | Cool, 4C, H2SO4 <2 | 28 Days |
| Turbidity | 180.1 | 125 ML, P | Cool, 4C | 48 Hours |
| Vapor Space Organics | MSD | 40 ML, G,T X 2 | Cool, 4C | 14 Days |
| Volatile Organics (Potable) | 524.2 | 40 ML, G,T X 2 | Cool 4C, HCL <2, Ascorbic Acid | 14 Days |
| Volatile Organics | 624, 8260 | 40 ML, G,T X 2 | Cool 4C, HCL <2 | 14 Days |
| Zinc | 200.7, 6010B | 500 ML, P | HNO3 to pH <2 | 6 Months |