Modus Agronomic Testing Lab Standard
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Soil Nomenclature List
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Modus Test Id Soil Item WREA 103 Method Id Extraction Method Measurement Method Common_name UOM
S-CACO3-AA.02 Calcium Carbonate None Acetic Acid ISE CaCO3 %,
S-CACO3.11 Calcium Carbonate None Fizz Test Semi-Quantitative CaCO3 (Eff) none,
S-CACO3.15 Calcium Carbonate None Gravimetric Weight Loss CO2 CaCO3 %, g/kg,
S-CACO3-OxA.12 Calcium Carbonate None Oxalic Ammonium Titration CaCO3 (OxA) %,
S-CACO3.14 Calcium Carbonate None Pressure CO2 Displacement CaCO3 %, g/kg,
S-AC-KMNO4.01 Carbon, Active None KMnO4 Spectrophotometric AC mg/kg, ppm,
S-CO3-W1:1.12 Carbonate None 1:1 Water Extraction Titration CO3 (W1:1) meq/L,
S-CO3-AA.02 Carbonate None Acetic Acid ISE CO3 (AA) %,
S-CO3-SP.19 Carbonate S-1.35 Saturated Paste Calculated CO3 (SP) meq/L, mg/L, ppm,
S-CO3-SP.12 Carbonate S-1.35 Saturated Paste Titration CO3 (SP) meq/L, mg/L, ppm,
S-CEC.19 Cation Exchange Capacity None None Calculated CEC (Calc) cmol/kg, meq/100 g,
S-CEC-PWAA.23 Cation Exchange Capacity None Alcohol Prewash/Ammonium Acetate ICP-OES CEC (PW/AA) %, cmol/kg,
S-CEC-AA.23 Cation Exchange Capacity None Displacement - Ammonium Acetate ICP-OES CEC (AA) cmol/kg, meq/100 g,
S-CEC-NH4N.05 Cation Exchange Capacity S-10.10 Displacement - Ammonium Acetate (EPA 9080) ICP-AES, AAS CEC (AA) cmol/kg, meq/100 g,
S-CEC-BA.05 Cation Exchange Capacity None Displacement - Barium Chloride ICP-AES, AAS CEC (BaCl) cmol/kg, meq/100 g,
S-CEC-BACL2.23 Cation Exchange Capacity None Displacement - Barium Chloride ICP-OES CEC (BaCl2) cmol/kg, meq/100 g,
S-CEC-CA.05 Cation Exchange Capacity None Displacement - Calcium Sulfate ICP-AES, AAS CEC (CaSO4) cmol/kg, meq/100 g,
S-CEC-K.05 Cation Exchange Capacity None Displacement - Potassium ICP-AES, AAS CEC (K) cmol/kg, meq/100 g,
S-CEC-AG-THU.05 Cation Exchange Capacity None Displacement - Silver Thiourea ICP-AES, AAS CEC (AgT) cmol/kg, meq/100 g,
S-CEC-NA.05 Cation Exchange Capacity None Displacement - Sodium Acetate (EPA 9081) ICP-AES, AAS CEC (NaA) cmol/kg, meq/100 g,
S-C:A.19 Cation:Anion Ratio None None Calculated Cat:An none,
S-CL-W1:1.17 Chloride None 1:1 Water Extraction Chloridometer Cl (W1:1) kg/ha, lb/ac, meq/L, mg/L, ppm,
S-CL-W1:1.08 Chloride None 1:1 Water Extraction IC Cl (W1:1) kg/ha, lb/ac, meq/L, mg/L, ppm,
S-CL-W1:1.01 Chloride None 1:1 Water Extraction Spectrophotometric Cl (W1:1) kg/ha, lb/ac, mg/L, mg/kg, ppm,
S-CL-W1:1.01.04 Chloride None 1:1 Water Extraction Titration (HgThiocyanate) Cl (W1:1) kg/ha, lb/ac, meq/L, mg/L, ppm,
S-CL-1:5.17 Chloride None 1:5 Extraction Chloridometer Cl kg/ha, lb/ac, mg/kg, ppm,
S-CL.12.06 Chloride None 1:5 Extraction Titration (AgNO3) Cl kg/ha, lb/ac, mg/kg, ppm,
S-CL.01.04 Chloride None 1:5 Extraction Titration (HgThiocyanate) Cl kg/ha, lb/ac, mg/kg, ppm,
S-CL-1:5H2O.01 Chloride None 1:5 Water Spectrophotometric Cl (Assimilable) mg/kg,
S-CL-EPA3000.00 Chloride None EPA 300.0 Ion Chromatography Cl kg/ha, lb/ac, mg/L,
S-CL-1:5.02 Chloride None ISE Ion selective electrode Cl kg/ha, lb/ac, mg/kg, ppm,
S-CL-SP.17 Chloride S-1.40 Saturated Paste Chloridometer Cl (SP) kg/ha, lb/ac, meq/L, mg/L, ppm,
S-CL-SP.08 Chloride S-1.40 Saturated Paste IC Cl (SP) kg/ha, lb/ac, meq/L, mg/L, ppm,
S-CL-SP.02 Chloride S-1.40 Saturated Paste Ion selective electrode Cl (SP) kg/ha, lb/ac, meq/L, mg/L, ppm,
S-CL-SP.01 Chloride None Saturated Paste Spectrophotometric Cl (SP) kg/ha, lb/ac, meq/L, mg/L, ppm,
S-CL-SP.12.06 Chloride S-1.40 Saturated Paste Titration (AgNO3) Cl (SP) kg/ha, lb/ac, meq/L, mg/L, ppm,
S-CL-SP.01.04 Chloride S-1.40 Saturated Paste Titration (HgThiocyanate) Cl (SP) kg/ha, lb/ac, meq/L, mg/L, ppm,
S-CL-W.01 Chloride None Water Extraction Spectrophotometric Cl (W) kg/ha, lb/ac, mg/L, mg/kg, ppm,
S-CR-AR.07 Chromium None Aqua Regia ICP-MS Cr (AR) ug/kg,
S-CR-EPA6010B.00 Chromium None EPA 6010B None Cr mg/kg,
S-CLAY.22 Clay None None Laser Diffraction Clay (LD) %,
S-CLAY-SED.10 Clay None Sedimentation Hydrometer Method Clay %, g/kg,
S-CLAY-SED.11 Clay None Sedimentation Pipette Method Clay %, g/kg,
S-CLAY-SV.19 Clay None Sieve Calculated Clay %, g/kg,
S-CO-AR.07 Cobalt None Aqua Regia ICP-MS Co (AR) ug/kg,
S-CO-EPA2007.00 Cobalt None EPA 200.7 None Co mg/L,
S-CO-EPA3050.04 Cobalt None EPA 3050 Digestion Acid Recoverable ICP Co-EPA mg/kg, ppm,
S-Color.24 Color None Munsel Color Chart Observation Color none,
S-CU-HCL.05 Copper None 0.1 N HCl ICP, AAS Cu (HCL) kg/ha, lb/ac, mg/kg, ppm,
S-CU-DTPA.05 Copper None DTPA ICP, AAS Cu (DTPA) kg/ha, lb/ac, mg/kg, ppm,
S-CU-DTPA-SORB.05 Copper None DTPA-Sorbitol ICP, AAS Cu (DTPA) kg/ha, lb/ac, mg/kg, ppm,
S-CU-EDTA.05 Copper None EDTA AAS Cu (EDTA) mg/kg, ppm,
S-CU-EPA3050.04 Copper None EPA 3050 Digestion Acid Recoverable ICP Cu-EPA mg/kg, ppm,
S-CU-EPA6010B.00 Copper None EPA 6010B None Cu mg/kg,
S-CU-H3A1.01.04 Copper None H3A-1 Extractant ICP Cu (H3A) kg/ha, lb/ac, mg/kg, ppm,
S-CU-M1.05 Copper None Mehlich 1 ICP, AAS Cu (M1) kg/ha, lb/ac, mg/kg, ppm,
S-CU-M2.05 Copper None Mehlich 2 ICP, AAS Cu (M2) kg/ha, lb/ac, mg/kg, ppm,
S-CU-M3.05 Copper None Mehlich 3 ICP ICP, AAS Cu (M3) kg/ha, lb/ac, mg/kg, ppm,
S-CU-RES.04 Copper None Resin Extraction - Unibest ICP-OES Cu (Res) mg/kg, ppm,
S-CU-SP.04 Copper None Saturated Paste ICP Cu (SP) mg/kg, ppm,
S-CU-NCINDX Copper Index None Mehlich 3 ICP ICP, AAS Cu (NCINDX) none,
S-DM.15 Deleterious material None None Gravimetric Del Material %,
S-DI.24 Dispersion Index None None Observation Dispersion Index none,
S-EC.CALC.19 Electrical Conductivity None None Calculated Ece (Calc) dS/m,
S-EC-1:1.03 Electrical Conductivity None EC 1:1 Ratio Conductivity ECe (1:1) cmol/kg, dS/m, meq/100 g, mmhos/cm,
S-EC-1:2.03 Electrical Conductivity None EC 1:2 Ratio Conductivity ECe (1:2) cmol/kg, dS/m, meq/100 g, mmhos/cm,
S-EC-1:5.03 Electrical Conductivity None EC 1:5 Ratio Conductivity ECe (1:5) cmol/kg, dS/m, meq/100 g, mmhos/cm,
S-EC-SP.03 Electrical Conductivity S-1.20 Saturated Paste EC ECe (SP) dS/m,
S-ESI.19 Electrochemical Stability Index None None Calculated ESI none,
S-EMERSON.19 Emerson Class None None Calculated Emerson Class none,
S-ENR.19 Estimated Nitrogen Release None None Calculated ENR ppm,
S-AC-KCL.12 Exchangeable Acidity None 1.0 M KCl Titration None cmol/kg, meq/100 g,
S-ECAP.19 Exchangeable Calcium Percentage None None Calculated ECaP %,
S-EH-KCL.12 Exchangeable Hydrogen None 1.0 M KCl Titration EH cmol/kg, meq/100 g,
S-EMGP.19 Exchangeable Magnesium Percentage None None Calculated EMgP %,
S-EKP.19 Exchangeable Potassium Percentage None None Calculated EKP %,
S-ESP.19 Exchangeable Sodium Percentage None None Calculated ESP %,
S-F-EPA3000.00 Fluoride None EPA 300.0 Ion Chromatography ESP mg/L,
S-GTRI-PWAA.19 Grass Tetany Risk Index None Alcohol Prewash/Ammonium Acetate Calculated GTRI (PW/AA) none,
S-GTRI-AA.19 Grass Tetany Risk Index None Ammonium Acetate Calculated GTRI (AA) none,
S-GTRI-BACL2.19 Grass Tetany Risk Index None NH4Cl/BaCl2 Calculated GTRI (BaCl2) none,
S-GRAVEL.19 Gravel None Sieve Calculated Gravel %,
S-GYPR.19 Gypsum Recommendation None None Calculated GypR tons/ac,
S.HM-NaOH Humic Matter None 0.2 N NaOH Spectrophotometric HM %,
S-H.19 Hydrogen None None Calculated H (calc) cmol/kg, meq/100 g, mg/kg, ppm,
S-OH-SM2320B18.12 Hydroxide None SM 2320 B (18th Ed.) Titrimetric OH mg/L,
S-FE-HCL.05 Iron None 0.1 N HCl ICP, AAS Fe (HCL) kg/ha, lb/ac, mg/kg, ppm,
S-FE-DTPA.05 Iron None DTPA ICP, AAS Fe (DTPA) kg/ha, lb/ac, mg/kg, ppm,
S-FE-DTPA-SORB.05 Iron None DTPA-Sorbitol ICP, AAS Fe (DTPA) kg/ha, lb/ac, mg/kg, ppm,
S-FE-EDTA.05 Iron None EDTA AAS Fe (EDTA) mg/kg, ppm,
S-FE-EPA3050.04 Iron None EPA 3050 Digestion Acid Recoverable ICP Fe-EPA mg/kg, ppm,
S-FE-EPA6010B.00 Iron None EPA 6010B None Fe mg/kg,
S-FE-M1.05 Iron None Mehlich 1 ICP, AAS Fe (M1) kg/ha, lb/ac, mg/kg, ppm,
S-FE-M2.05 Iron None Mehlich 2 ICP, AAS Fe (M2) kg/ha, lb/ac, mg/kg, ppm,
S-FE-M3.05 Iron None Mehlich 3 ICP ICP, AAS Fe (M3) kg/ha, lb/ac, mg/kg, ppm,
S-FE-OX.23 Iron None Oxalate ICP-OES Fe (Ox) mg/kg, ppm,
S-FE-RES.04 Iron None Resin Extraction - Unibest ICP-OES Fe (Res) mg/kg, ppm,
S-FE-SP.04 Iron None Saturated Paste ICP Fe (SP) mg/L,
S-K:MG-PWAA.19 K:Mg ratio None Alcohol Prewash/Ammonium Acetate Calculated K:Mg (PW/AA) none,
S-K:MG-AA.19 K:Mg ratio None Ammonium Acetate Calculated K:Mg (AA) none,