INORGANICS
Parameter Typical Method(s) Sample Container/ Preservative Preferred Volume (ml) EPA Holding Time
Acidity EPA 305.1 P, G/4 C 100 14 Days
Alkalinity EPA 310.1 P, G/4 C 100 14 Days
Bacteria, Fecal Coliform Standard Method 909C P, G/4 C 100 6 Hours
Bacteria, Total Plate Count Standard Method 907 P, G/4 C 100 48 Hours
Biochemical Oxygen Demand (TBOD), 5 Day Total EPA 405.1 P, G/4 C 500 48 Hours
Biochemical Oxygen Demand (CBOD), 5 Day Carbonaceous EPA 405.1 P, G/4 C 500 48 Hours
Bromide EPA 320.1 P, G 500 28 Days
Chemical Oxygen Demand (COD) EPA 410.1/410.2 P, G/4 C, H2SO4 to pH below 2 250 28 Days
Chloride EPA 325.2/325.3 P, G 100 28 Days
Chlorine, Residual EPA 330.1, Field P, G/No Headspace 100 Immediately
Color EPA 110.3 P, G/4 C 100 48 Hours
Cyanide, Total (CN) EPA 335.2 P, G/4 C, NaOH to pH above 12 500 14 Days
Hardness, Total (CaCo3) EPA 130.2/SM 2340B P, G, HNO3 to pH below 2 250 6 Months
Ion Chromatography (Including common anions such as Br, Cl, NO2, NO3, PO4, SO4) EPA 300 P, G/4 C 250 As per individual anion listing
Nitrogen, Ammonia (NH3) EPA 350.1/350.2 P, G/4 C, H2SO4 to pH below 2 250 28 Days
Nitrogen, Total Kjeldahl (TKN) EPA 351.2/351.3 P, G/4 C, H2SO4 to pH below 2 100 28 Days
Nitrogen, Nitrate & Nitrite EPA 353.2 P, G/4 C, H2SO4 to pH below 2 100 28 Days
Nitrogen, Organic EPA 351.3 P, G/4 C, H2SO4 to pH below 2 100 28 Days
Odor EPA 140.1 G/4 C 1000 24 Hours
Oil & Grease EPA 413.1/413.2 G/4 C, H2SO4 or Hcl to pH below 2 1000 28 Days
Oxygen, Dissolved EPA 360.1 G - Bottle & Top 500 Immediately
Phenolics, Total Recoverable EPA 420.1 G/4 C, H2SO4 to pH below 2 1000 28 Days
Phosphorus, Orthophosphate EPA 365.1/365.2 P, G/4 C 100 48 Hours
Phosphorus, Total (TPO4) EPA 365.1/365.2 P, G/4 C, H2SO4 to pH below 2 100 28 Days
Priority Pollutant Metals EPA 200/7000 P, G. HNO3 to pH below 2 500 6 Months/ Hg 28 Days
Silica, Dissolved EPA 370.1 P/4 C 100 28 Days
Solids, Settleable (SS) EPA 160.5 P, G/4 C 1000 48 Hours
Solids, Suspended Volatile Standard Method 209A P, G/4 C 100 7 Days
Solids, Total (TS) EPA 160.3 P, G/4 C 100 7 Days
Solids, Total Dissolved (TDS) EPA 160.1 P, G/4 C 100 7 Days
Solids, Total Suspended (TSS) EPA 160.2 P, G/4 C 100 7 Days
Solids, Total Volatile (TVS) EPA 160.4 100 7 Days
Specific Conductance EPA 120.1 P, G/4 C 100 28 Days
Sulfate (SO4) EPA 375.4 P, G/4 C 100 28 Days
Sulfide, Total EPA 376.1 P, G/4 C, NaOH + Zn acetate to pH above 9 500 7 Days
Sulfite EPA 377.1 P, G 500 Immediately
Total Organic Carbon (TOC) EPA 415.1 100 28 Days
Total Organic Halogen (TOX) EPA 450.1 GA/4 C 500 14 Days
Total Petroleum Hydrocarbons (TPH) EPA 418.1 G/4 C, Hcl to pH below 2 1000 28 Days
ORGANICS
Parameter Typical Method(s) Sample Container/ Preservative Preferred Volume (ml) EPA Holding Time
Purgeable Halocarbons EPA 601 VOA/4 C 2 x 40 14 Days
Purgeable Aromatics EPA 602 VOA/4 C, HCl to pH below 2 2 x 40 14 Days (7 Days unpreserved)
Acrolein and Acrylonitrile EPA 603 VOA/4 C, pH adjusted 2 x 40 14 Days
Phenols EPA 604 GA/4 C 2 x 1000 7/40 Days
Benzidines EPA 605 GA/4 C 2 x 1000 7/7 Days
Phthalates Esters EPA 606 GA/4 C 2 x 1000 7/40 Days
Nitrosamines EPA 607 GA/4 C 2 x 1000 7/40 Days
Organochlorine Pesticides and PCB's EPA 608 GA/4 C 2 x 1000 7/40 Days
Nitroaromatics and Isophorones EPA 609 GA/4 C 2 x 1000 7/40 Days
Polynuclear Aromatic Hydrocarbons EPA 610 GA/4 C 2 x 1000 7/40 Days
Haloethers EPA 611 GA/4 C 2 x 1000 7/40 Days
Chlorinated Hydrocarbons EPA 612 GA/4 C 2 x 1000 7/40 Days
2, 3, 7, 8-Tetrachlorodibenzo
-p-dioxin 		EPA 613 GA/4 C 2 x 1000 7/40 Days
Organophosphate Pesticides EPA 614 GA/4 C 2 x 1000 7/40 Days
Chlorinated Herbicides EPA 615 2 x 1000 7/40 Days
Purgeables EPA 624 VOA/4 C, HCl to pH below 2 2 x 40 14 Days (7 Days unpreserved)
Base/ Neutrals and Acids EPA 625 GA/4 C 2 x 1000 7/40 Days

Guide Notes & Abbreviations

Sample Containers:

Preservatives:

Regulations:

Note: