Inorganic Chemistry Analyses - Groundwater

Groundwater
DESCRIPTIONMETHODHOLD TIMECONTAINER/PRESERVATIVEVOLUME
AlkalinitySM 2320 B-9714 DaysPlastic/None250 mL
Anions (F, CL, NO2, PO4, SO4, Br, NO3)SW 846 8056* (M)-Plastic/None60 mL
Bromide (Br)SW 846 9056* (M)-Plastic/None60 mL
Chemical Oxygen DemandSM 5220 D-9728 DaysGlass/H2SO4125 mL
ChlorideSW 846 9056* (M)-Plastic/None60 mL
ConductivityEPA 120.128 DaysPlastic/None100 mL
Cyanide, TotalSM 4500 CN E-9914 DaysPlastic/NaOH500 mL
Cyanide, AmenableSM 4500 CN E-9914 DaysPlastic/NaOH500 mL
Chromium, Hexavalent

SM 3500 Cr B-01

SW 846 7196 A

24 HoursPlastic/None (water)250 mL
FlashpointASTM D93 (M)28 DaysGlass/None100 mL
Fluoride (F)SW 846 9056* (M)-Plastic/None60 mL
Hardness, Total (Ca/Mg)SW 846 6010B (Calculation)6 MonthsPlastic/HNO3250 mL
Nitrogen, AmmoniaEPA 350.128 DaysPlastic/H2SO4500 mL
Nitrogen, Nitrate (NO3)SW 846 9056* (M)-Plastic/None60 mL
Nitrogen, Nitrite (NO2)SW 846 9056* (M)-Plastic/None60 mL
Nitrogen, Total Kjeldahl (TKN)EPA 351.228 DaysPlastic/H2SO4500 mL
Oil and Grease

SW 846 1664A

SW 846 9071B (M)

28 DaysGlass/H2SO4 (water)1 L
Paint Filter TestSW 846 9095B28 DaysPlastic or Glass/None100 mL
pH - Water

SW 846 9040C

EPA 150.1

ASAPPlastic or Glass/None60 mL
PhenolicsEPA 420.128 DaysGlass/H2SO4500 mL
PhosphateSW 846 9056* (M)-Plastic/None60 mL
Phosphorous, TotalEPA 365.328 DaysPlastic/H2SO4500 mL
Solids, Total (TS)SM 2540 B-977 DaysPlastic/None1 L
Solids, Total Dissolved (TDS)SM 2540 C-977 DaysPlastic/None1 L
Solids, Total SuspendedSM 2540 D-977 DaysPlastic/None1 L
Solids, Total VolatileEPA 160.47 DaysPlastic/None1 L
Sulfate (SO4)SW 846 9056* (M)-Plastic/None60 mL
Sulfide, Total (S)SM 4500 S2 - D-00 (M)7 DaysPlastic/NaOH & ZnAc250 mL
Total Organic CarbonEPA 415.128 DaysPlastic or Glass/H2SO4125 mL

* = Not a certified method in Minnesota.  Accepted method may vary from state to state.