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Inorganic Chemistry

General Water & Soil Chemistry 

Method                                    Method Description

SM 2320B                                 Alkalinity

SM 2320B                                 Alkalinity, Soluble

SM 4500-NH3D                          Ammonia

EPA 300                                   Anions

SM 5210B                                 BOD

SM 4500-CO2                            Carbon Dioxide

EPA 410.4                                 Chemical Oxygen Demand (COD)

SM 5220D                                 Chemical Oxygen Demand (COD)

EPA 300                                   Chloride as Chlorinity

EPA 300                                   Chloride as Salinity

EPA 300                                   Chloride, Soluble as Salinity

EPA 330.5                                Chlorine Residual, Total

SM 2120B                                 Color

SW 9014                                   Cyanide with Distillation

EPA 335.1                                 Cyanide, Amenable (No Distillation)

SW 9014                                   Cyanide, Amenable

SW 9014                                   Cyanide, Reactive

SM 4500-CNCE                         Cyanide, Total

SM 4500-CNG                           Cyanides, Amenable (Drinking Water)

EPA 360.1                                Dissolved Oxygen

SM 4500-O                                Dissolved Oxygen

SM 2510B                                 Electrical Conductivity

SM 2510B/M                             Electrical Conductivity, Soluble

EPA 160.4                                Fixed Solids Ignited @ 550C

SW 1010/M                               Flash, P. Martin Closed Cup

SM 2340B                                 Hardness (ICP)

TDS-Ratio                                 Inorganic Solids: TDS Ratio

SM 4500-N                                Nitrogen, Total

SM 2150B                                 Odor

ASTM D2974                             Organic Matter

ASTM D1498                             Oxidation Reduction Potential

EPA 314.0                                 Perchlorates

SW 9040C                                 pH at 25 C on Ash

EPA 150.1 / SW 9040C              pH

Indicator Strip                             pH by Indicator Strip

SW 9040C                                 pH, Solids in Equivalent Wt. of Water

SW 9045C                                 pH, Solids in Equivalent Wt. of Water

EPA 420.1                                 Phenolics (Total Phenols)

EPA 300.0                                 Phosphate, Ortho

EPA 365.3                                 Phosphorus, All Forms

SM 4500PE                                Phosphorus, All Forms

SM 2510B                                  Resistivity (Soluble)

SM 2510B                                  Resistivity

EPA160.5                                  Settleable Solids

ASTM C136                               Sieve Analysis

EPA 200.7                                 Sodium Adsorption Ratio (SAR)

SM 2540B                                 Solids, Percent (Dried at 103-105 C)

SM 2510B                                 Specific Conductance

ASTM D4052                             Specific Gravity of Liquids

AASHTO T100/M                       Specific Gravity of Soils

ASTM D854                               Specific Gravity of Solids

EPA 376.1                                 Sulfide, Dissolved (Filtration)

SW 9034                                   Sulfide, Reactive

EPA 376.1                                 Sulfide, Total

SW 9034                                   Sulfide, Total with Distillation

EPA 425.1                                 Surfactants (MBAS)

SM 5540C                                 Surfactants (MBAS)

SM 5540B                                 Surfactants by Sublation

SM 2550B                                 Temperature

EPA 160.1                                 Total Dissolved Solids

SM 2540C                                 Total Dissolved Solids

EPA 351.4/M                             Total Kjeldahl Nitrogen (Soluble)

EPA 351.4                                 Total Kjeldahl Nitrogen

EPA 160.3                                 Total Solids (Residue)

SM 2540B                                  Total Solids (Residue)

EPA 160.2                                 Total Suspended Solids

SM 2540D                                  Total Suspended Solids

SM 2540CE                               Total Volatile Dissolved Solids

EPA 160.4                                 Total Volatile Solids Ignited

SM 2540BE                               Total Volatile Solids Ignited at 550C

SM 2540DE                               Total Volatile Suspended Solids

SM 2130B                                 Turbidity



Metals Testing
Method                                    Method Description

SM 3500-CrD / SW 7196A          Hexavalent Chromium (Colorimetric)

EPA 245.1 / SW 7470A, 71A      Mercury, Hg

EPA 200.7, 200.8 / SW 6010B    Metals, Total

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