• Hach Methods Compatibility Guide
AnalyteEPA Compliant?MethodHach Method #RangeDR6000DR3900DR1900DR900DR300SL1000Hach Prod. #Notes
Alkalinity, Total (TNTplus)Colorimetric1023925 - 400 mg/L•••TNT870
Alkalinity, Total, LR (Chemkey)Colorimetric1028020 - 200 mg/L•8636200
Alkalinity, Total, HR (Chemkey)Colorimetric10283200 - 700 mg/L•8636100
AluminumAluminon80120.008 - 0.800 mg/L•••••2242000
AluminumEriochrome Cyanine R83260.002 - 0.250 mg/L•••2603700
Aluminum (TNTplus)Chromazurol S102150.02 - 0.50 mg/L•••TNT848
ANAMMOX Activity (TNTplus)Cytochrome C103040 - 33 umol/L•••TNT882
Ammonia, NitrogenSalicylate81550.01 - 0.50 mg/L•••••2668000
Ammonia, Nitrogen (TNTplus), ULR•Salicylate102050.015 - 2.000 mg/L•••TNT830
Ammonia, Nitrogen•Nessler80380.02 - 2.50 mg/L•••2458200
Ammonia, Nitrogen (Test •N Tube), LRSalicylate100230.02 - 2.50 mg/L••••2604545
Ammonia, Nitrogen (TNTplus), LR•Salicylate102051 - 12 mg/L•••TNT831
Ammonia, Nitrogen (Test •N Tube), HRSalicylate100310.4 - 50.0 mg/L••••2606945
Ammonia, Nitrogen (TNTplus), HR•Salicylate102052 - 47 mg/L•••TNT832
Ammonia, Nitrogen (TNTplus), UHR•Salicylate1020547 - 130 mg/L•••TNT833
Ammonia, Nitrogen (TNTplus), UHR+•Salicylate10301100 - 1800 mg/L•••TNT834
Ammonia, Free (Chemkey)Indophenol102690.05 - 0.50 mg/L•9429600** Free Ammonia Chemkeys can only be analyzed in tandem with the Monochloramine Chemkeys.
Ammonia, Total (Chemkey)Indophenol102680.05 - 1.50 mg/L•9425200
Arsenic•Silver Diethyldithiocarbamate80130.020 - 0.200 mg/L••••
BariumTurbidimetric80142 - 100 mg/L•••1206499
BenzotriazoleUV Photolysis80791.0 - 16.0 mg/L••••2141299
Boron (TNTplus)Azomethine-H102740.05 - 2.50 mg/L•••TNT877
BoronCarmine80150.2 - 14.0 mg/L••••
BromineDPD80160.05 - 4.50 mg/L•••••2105669
Bromine (AccuVac)DPD80160.05 - 4.50 mg/L•••••2503025
CadmiumDithizone80170.7 - 80.0 •g/L•••2242200
Cadmium (TNTplus)^{1}Cadion102170.02 - 0.30 mg/L•••TNT852* As listed, test determines soluble metal. Order Metals Prep Set TNT890 to determine total metal.
CarbohydrazideIron Reduction81405 - 600 •g/L••••2446600
Chloramine, Mono, LRIndophenol10171, 102000.04 - 4.50 mg/L•••••2802246
Chloramine, Mono (Test •N Tube), HRIndophenol101720.1 - 10.0 mg/L•••2805145
Chloramine, Mono (Chemkey)Indophenol102700.04 - 4.00 mg/L•9429400
ChlorideMercuric Thiocyanate81130.1 - 25.0 mg/L•••2319800
Chloride (TNTplus)Mercuric Thiocyanate102911 - 70 mg/L Cl
70 - 1000 mg/L Cl		•••TNT879
Chlorine, FreeIndophenol102410.04 - 4.50 mg/L•••••
Chlorine, Free•DPD80210.02 - 2.00 mg/L•••••2105569
Chlorine, Free (AccuVac)•DPD80210.02 - 2.00 mg/L•••••2502025
Chlorine, Free (Pour-Thru Cell)DPD Rapid Liquid100590.02 - 2.00 mg/L•••2556900
Chlorine, Free (TNTplus)•DPD102310.05 - 2.00 mg/L•••TNT866
Chlorine, Free (Test •N Tube)DPD101020.09 - 5.00 mg/L•••2105545
Chlorine, Free, MR•DPD102450.05 - 4.00 mg/L•••••1407099
Chlorine, Free, HR•DPD100690.1 - 10.0 mg/L•••••1407099
Chlorine, Free & Total (TNTplus)•DPD102320.05 - 2.00 mg/L•••TNT867
Chlorine, Free (Chemkey)•DPD102600.04 - 4.00 mg/L•9429000
Chlorine, Total (Pour-Thru Cell), ULR•DPD8370, 100142 - 500 •g/L•••2563000
Chlorine, Total•DPD81670.02 - 2.00 mg/L•••••2105669
Chlorine, Total (AccuVac)•DPD81670.02 - 2.00 mg/L•••••2503025
Chlorine, Total (Pour-Thru Cell)DPD Rapid Liquid100600.02 - 2.00 mg/L•••2557000
Chlorine, Total (Test •N Tube)DPD101010.09 - 5.00 mg/L•••2105645
Chlorine, Total, MR•DPD102500.05 - 4.00 mg/L•••••1406499
Chlorine, Total, HRDPD100700.1 - 10.0 mg/L•••••1406499
Chlorine, Total (Chemkey)•DPD102600.04 - 10.00 mg/L•9429100
Chlorine Demand/Requirement•DPD10223Multiple Ranges••••••
Chlorine Dioxide, DPD•DPD/Glycine101260.04 - 5.00 mg/L•••••2770900
Chlorine Dioxide, LRChlorophenol Red80650.01 - 1.00 mg/L•••2242300
Chlorine Dioxide, MRDirect Reading83451 - 50 mg/L•••••
Chlorine Dioxide, HRDirect Reading81385 - 1000 mg/L••••
Chromium, Hexavalent•1,5 Diphenylcarbohydrazide80230.010 - 0.700 mg/L••••1271099
Chromium, Hexavalent and Total (TNTplus)•*1,5 Diphenylcarbohydrazide10218, 102190.03 - 1.00 mg/L•••TNT854* EPA approved for Cr6+ only.
Chromium, TotalAlkaline Hypobromite Oxidation80240.01 - 0.70 mg/L••••2242500
CobaltPAN80780.01 - 2.00 mg/L•••2651600
COD, ULRDichromate80000.7 - 40.0 mg/L•••2415825
COD, LR•Dichromate80003 - 150 mg/L••••2125825
COD, HR•Dichromate800020 - 1,500 mg/L••••2125925
COD, HR+Dichromate8000200 - 15,000 mg/L••••2415925
CODManganese III1006730 - 1000 mg/L••••2623425
COD, Mercury-Free (TNTplus), HRDichromate1023625 - 1000 mg/L•••TNT825
COD in Salt Water (TNTplus), LRDichromate102997 - 70 mg/L•••TNT815
COD in Salt Water (TNTplus), HRDichromate1029970 - 700 mg/L•••TNT816
COD (TNTplus), ULRDichromate102111 - 60 mg/L•••TNT820
COD (TNTplus), LR•Dichromate80003 - 150 mg/L•••TNT821
COD (TNTplus), HR•Dichromate800020 - 1500 mg/L•••TNT822
COD (TNTplus), UHRDichromate10212250 - 15,000 mg/L•••TNT823
COD (TNTplus) UHR+Dichromate102125,000 - 60,000 mg/L•••TNT824
Color*ADMI Weighted Ordinate100483 - 1000 units•••* Others color scale available: CIE L*a*b, Hazen, Iodine, Gardner, Yellowness & EBC (Z).
Color, True and ApparentPlatinum-Cobalt802515 - 500 units•••••
Color, True and Apparent, LRPlatinum-Cobalt80253 - 500 units•••
Copper, LRPorphyrin81431 - 210 •g/L••••2603300
Copper•Bicinchoninate85060.04 - 5.00 mg/L••••2105869
Copper (AccuVac)Bicinchoninate80260.04 - 5.00 mg/L••••2504025
Copper (TNTplus)*Bathocuproine102380.1 - 8.0 mg/L•••TNT860* As listed, test determines soluble metal. Order Metals Prep Set TNT890 to determine total metal.
Copper (Chemkey)•Bicinchoninate102720.06 - 5.00 mg/L•9429200
CyanidePyridine-Pyrazalone80270.002 - 0.240 mg/L••••2430200
Cyanide (TNTplus)•Pyridine barbituric acid102650.01 - 0.6 mg/L CN•••TNT862
Cyanuric AcidTurbidimetric81395 - 50 mg/L•••246066
DEHA (Diethylhydroxylamine)Iron Reduction81403 - 450 •g/L••••2446600
Detergents (Surfactants)Crystal Violet80280.002 - 0.275 mg/L••••2446800
Dissolved Oxygen (AccuVac), LRIndigo Carmine83160.04 - 4.50 mg/L••••2501025
Dissolved Oxygen (AccuVac), HRHRDO81660.3 - 15.0 mg/L•••••2515025
Dissolved Oxygen (AccuVac), UHRUltra High Range83331.0 - 40.0 mg/L•••2515025
Erythorbic Acid (Isoascorbic Acid)Iron Reduction814013 - 1500 •g/L••••2446600
Fluoride, Arsenic Free•*SPADNS 2102250.02 - 2.00 mg/L••••*2947549* Per 40 CFR 136.6 Method Modification and Flexibility. * Not EPA accepted for drinking water using the DR900 colorimeter.
Fluoride, Arsenic Free (AccuVac)•*SPADNS 2102250.02 - 2.00 mg/L••••*2527025* Per 40 CFR 136.6 Method Modification and Flexibility. * Not EPA accepted for drinking water using the DR900 colorimeter.
Fluoride, Arsenic Free (TNTplus)•*SPADNS 2102250.1 - 2.5 mg/L•••TNT878* Per 40 CFR 136.6 Method Modification and Flexibility.
Fluoride•*SPADNS80290.02 - 2.00 mg/L••••*44449* Not EPA accepted for drinking water using the DR900 colorimeter.
Fluoride (AccuVac)•*SPADNS80290.02 - 2.00 mg/L••••*2506025* Not EPA accepted for drinking water using the DR900 colorimeter.
FormaldehydeMBTH81103 - 500 •g/L•••2257700
Formaldehyde (TNTplus)Acetylacetone102950.5 - 10 mg/L H_{2} CO•••TNT871
Hardness, Total, ULRChlorophosphonazo Colorimetric83748 - 1000 •g/L•••2603100
Hardness, Total, ULR (Pour-Thru Cell)Chlorophosphonazo Rapid Liquid81674 - 1000 •g/L••••
Hardness, Ca & MgCalmagite Colorimetric80300.05 - 4.00 mg/L••••2319900
Hardness, Total, LR (Chemkey)Calmagite Colorimetric102843 - 100 mg/L•8636400
Hardness, Total, HR (Chemkey)Calmagite Colorimetric10285•8638400
Hardness, Water (TNTplus)Metalphthalein1029320 - 350 mg/L as CaCO?
5 - 100 mg/L Ca
3 - 50 mg/L Mg		•••TNT869
Hydrazinep-Dimethylaminobenzaldehyde81414 - 600 •g/L••••179032
Hydrogen Peroxide (H2O2)DPD102900.05 - 5.00 mg/L•••1406499Requires Product. No. 193332 & 1456842
HydroquinoneIron Reduction81409 - 1000 •g/L••••2446600
International Bitterness Units (TNTplus)Analogous MEBAK and ASBC10288? 2 BE••TNT817
Iodine DPDDPD80310.07 - 7.00 mg/L•••2105669
Iodine DPD (AccuVac)DPD80310.07 - 7.00 mg/L•••2503025
Iron (TNTplus)•Phenanthroline102290.2 - 6.0 mg/L•••TNT858As listed, test determines soluble metal. Order Metals Prep Set TNT890 to determine total metal
IronFerroZine81470.009 - 1.400 mg/L••••230166
Iron (Pour-Thru Cell)FerroZine Rapid Liquid81470.009 - 1.400 mg/L•••230149
Iron, Ferrous1, 10 Phenanthroline81460.02 - 3.00 mg/L••••103769
Iron, TotalFerroMo83650.01 - 1.80 mg/L••••2544800
Iron, TotalTPTZ81120.012 - 1.800 mg/L•••••2608799
Iron, Total•FerroVer80080.02 - 3.00 mg/L•••••2105769
Iron, Total (AccuVac)•FerroVer80080.02 - 3.00 mg/L•••••2507025
Iron, Total (5-cm Sample Cell)1,10 Phenanthroline103060.01 - 1.00 mg/L••HPT251
Iron, Total Dissolved (Chemkey)1,10 Phenanthroline102810.05 - 3.00 mg/L•8636000
Isoascorbic Acid (Erythorbic Acid) (ISA)Iron Reduction814013 - 1500 •g/L••••2446600
LeadLeadTrak Fast Column Extraction83175 - 150 •g/L•••2375000
Lead•Dithizone80333 - 300 •g/L•••2243100
Lead (TNTplus)PAR102160.1 - 2.0 mg/L•••TNT850As listed, test determines soluble metal. Order Metals Prep Set TNT890 to determine total metal
Manganese, LRPAN81490.006 - 0.700 mg/L••••2651700
Manganese, LRPAN102860.005 - 0.500 mg/L•••HPT291
Manganese, HRPeriodate Oxidation80340.1 - 20.0 mg/L•••••2430000
Magnesium (TNTplus)Metalphthalein102920.5 - 50 mg/L Mg•••TNT849
MercuryCold Vapor Mercury Concentration100650.1 - 2.5 •g/L•••2658300
Methylethylketoxime (MEKO)Iron Reduction814015 - 1000 •g/L••••2446600
Molybdenum, Molybdate, LRTernary Complex81690.02 - 3.00 mg/L•••••2449400
Molybdenum, Molybdate, HRMercaptoacetic Acid80360.2 - 40.0 mg/L••••2604100
Nickel PAN81500.006 - 1.000 mg/L•••*2651600*Nickel PAN method reagent set for DR 900 is Prod. No. 2242600
Nickel•Heptoxime80370.02 - 1.80 mg/L•••2243500
Nickel (TNTplus) Dimethylglyoxime102200.1 - 6.0 mg/L•••TNT856As listed, test determines soluble metal. Order Metals Prep Set TNT890 to determine total metal
Nitrate, Nitrogen, LRCadmium Reduction81920.01 - 0.50 mg/L••••2429800
Nitrate, Nitrogen (TNTplus), LR•Dimethylphenol102060.23 - 13.5 mg/L•••TNT835
Nitrate, Nitrogen, MRCadmium Reduction81710.1 - 10.0 mg/L••••2106169
Nitrate, Nitrogen (AccuVac), MRCadmium Reduction81710.1 - 10.0 mg/L•••••2511025
Nitrate, NitrogenUV Screening100490.1 - 10.0 mg/L••
Nitrate, Nitrogen (Test •N Tube), HRChromotropic Acid100200.2 - 30.0 mg/L••••2605345
Nitrate, Nitrogen, HRCadmium Reduction80390.3 - 30.0 mg/L•••••2106169
Nitrate, Nitrogen (AccuVac), HRCadmium Reduction80390.3 - 30.0 mg/L•••••2511025
Nitrate, Nitrogen (TNTplus), HR•Dimethylphenol102065 - 35 mg/L•••TNT836
Nitrite, Nitrogen, LR•Diazotization85070.002 - 0.300 mg/L••••2107169
Nitrite, Nitrogen (Test •N Tube), LRDiazotization100190.003 - 0.500 mg/L••••2608345
Nitrite, Nitrogen (TNTplus), LR•Diazotization102070.015 - 0.600 mg/L•••TNT839
Nitrite, Nitrogen (TNTplus), HR•Diazotization102370.6 - 6.0 mg/L•••TNT840
Nitrite, Nitrogen (TNTplus), UHR•Diazotization102962 - 90 mg/L•••TNT841
Nitrite, Nitrogen, HRFerrous Sulfate81532 - 250 mg/L••••2107569
Nitrite, Nitrogen (Chemkey)Diazotization102710.005 - 0.600 mg/L•9429300
Nitrogen, Ammonia (see Ammonia, Nitrogen)
Nitrogen, Total (Test •N Tube), LRPersulfate Digestion100710.5 - 25.0 mg/L••••2672245
Nitrogen, Total (TNTplus), LRPersulfate Digestion102081 - 16 mg/L•••TNT826
Nitrogen, Total (TNTplus), HRPersulfate Digestion102085 - 40 mg/L•••TNT827
Nitrogen, Total (Test •N Tube), HRPersulfate Digestion100722 - 150 mg/L••••2714100
Nitrogen, Total (TNTplus), UHRPersulfate Digestion1020820 - 100 mg/L•••TNT828
Nitrogen, Total Inorganic (TIN) (Test •N Tube)Titanium Trichloride Reduction100210.2 - 25.0 mg/L••••2604945
Nitrogen, Simplified TKN (TNTplus)•s-TKN102420 - 16 mg/L•••TNT880
Nitrogen, Total Kjeldahl (TKN)Nessler80751 - 150 mg/L••••2495300
Organic Carbon, Total (See TOC)•
Organic Constituents, UV-Absorbing (UV-254)Direct Reading10054Varies-Units Abs/cm••
Oxygen Demand, Chemical (See COD)•
Oxygen, Dissolved (See Dissolved Oxygen)•
Oxygen Scavengers
(See specific compounds)		•
Ozone (AccuVac), LRIndigo83110.01 - 0.25 mg/L•••••2516025
Ozone (AccuVac), MRIndigo83110.01 - 0.75 mg/L•••••2517025
Ozone (AccuVac), HRIndigo83110.01 - 1.50 mg/L••••2518025
Peracetic Acid (PAA)DPD102900.10 - 10.00 mg/L•••1406499Requires Product. No. 193332 & 1456842
Peracetic Acid (PAA) (Chemkey)DPD102970.04 - 50.00 mg/L•8635200
pH (Chemkey)Colorimetric Phenol Red1029810298 6.3 - 9.0 units•9759000
pHColorimetric Phenol Red100766.5 - 8.5 units•2657512
Phenols•4-Aminoantipyrine80470.002 - 0.200 mg/L•••2243900
Phenols (TNTplus)4-Aminoantipyrine102665 - 150 mg/L•••TNT868
PhosphonatesPersulfate UV Oxidation80070.02 - 125.0 mg/L••••2429700
Phosphorus, Reactive•PhosVer 380480.02 - 2.50 mg/L•••••2106069
Phosphorus, Reactive (AccuVac)•PhosVer 380480.02 - 2.50 mg/L•••••2508025
Phosphorus, Reactive (Test •N Tube)•PhosVer 380480.06 - 5.00 mg/L••••2742545
Phosphorus, ReactiveAmino Acid81780.23 - 30.00 mg/L••••2244100
Phosphorus, Reactive (5-cm Sample Cell)Ascorbic Acid103070.01 - 0.50 mg/L••HPT487
Phosphate, LR (Chemkey)Ascorbic Acid102790.20 - 4.00 mg/L•8636600
Phosphate, HR (Chemkey)Ascorbic Acid102822.0 - 30.0 mg/L•8636500
Phosphorus, ReactiveMolybdovanadate81140.3 - 45.0 mg/L••••2076032
Phosphorus, Reactive (Test •N Tube), HRMolybdovanadate81141.0 - 100.0 mg/L••••2767345
Phosphorus, Reactive (Pour-Thru Cell), HRMolybdovanadate
Rapid Liquid		81140.3 - 45.0 mg/L•••2076049
Phosphorus, Reactive (Pour-Thru Cell), LR•Ascorbic Acid Rapid Liquid1005519 - 3000 •g/L•••2678600
Phosphorus, Reactive (TNTplus)Molybdovanadate102145.0 - 90.0 mg/L•••TNT846
Phosphorus, Acid Hydrolyzable
(Test •N Tube)		PhosVer 3 with Acid
Hydrolysis		81800.06 - 3.50 mg/L••••2742645
Phosphorus, Total (Test •N Tube)•PhosVer 3 with Acid
Persulfate Digestion		81900.06 - 3.50 mg/L••••2742645
Phosphorus, Total (Test •N Tube), HRMolybdovanadate with Acid
Persulfate Digestion		101271.0 - 100.0 mg/L••••2767245
Phosphorus, Reactive and Total
(TNTplus), LR		•Ascorbic Acid10209, 102100.15 - 4.50 mg/L•••TNT843
Phosphorus, Reactive and Total
(TNTplus), HR		•Ascorbic Acid10209, 102101.5 - 15.0 mg/L•••TNT844
Phosphorus, Reactive and Total
(TNTplus), UHR		•Ascorbic Acid10209, 102106 - 60 mg/L•••TNT845
PotassiumTetraphenylborate80490.1 - 7.0 mg/L•••2459100
Quaternary Ammonium CompoundsDirect Binary Complex83370.2 - 5.0 mg/L•••2459200
Silica (Pour-Thru Cell), ULRHeteropoly Blue82823 - 1000 •g/L•••2553500
Silica (Pour-Thru Cell), ULRHeteropoly Blue Rapid Liquid82823 - 1000 •g/L•••2678500
Silica, LRHeteropoly Blue81860.010 - 1.600 mg/L••••2459300
Silica, HRSilicomolybdate81851 - 100 mg/L••••2429600
SilverColorimetric81200.02 - 0.70 mg/L
Sulfate•SulfaVer 480512 - 70 mg/L••••2106769
Sulfate (TNTplus), LRTurbidimetric1022740 - 150 mg/L•••TNT864
Sulfate (TNTplus), HRTurbidimetric10227150 - 900 mg/L•••TNT865
Sulfide•Methylene Blue81315 - 800 •g/L••••2244500
Sulfide (TNTplus)•Dimethyl-p-phenylenediamine102940.1 - 2.0 mg/L•••TNT861
Surfactants (See Detergents)•
Surfactants, Anionic (TNTplus)Methylene Blue (MBA)81310.1 - 4.0 mg/L•••TNT874
Surfactants, Cationic (TNTplus)Cetyltrimethylammonium
Bromide		103050.2 - 2.0 mg/L•••TNT885
Surfactants, Nonionic LR (TNTplus)TBPE102750.2 - 6.0 mg/L as Triton x 100•••TNT875
Surfactants, Nonionic HR (TNTplus)TBPE102756 - 200 mg/L as Triton X-100•••TNT876
Suspended SolidsPhotometric80065 - 750 mg/L•••••
Tannin & LigninTyrosine81930.1 - 9.0 mg/L••••2244600
TKN (See Nitrogen, Simplified TKN and
Nitrogen, Total Kjeldahl)
TOC (Total Organic Carbon), LRDirect Method101290.3 - 20.0 mg/L••••2760345
TOC - Total Organic Carbon (TNTplus), LR•Direct Method102671.5 - 30 mg/L•••TNT810
TOC (Total Organic Carbon), MRDirect Method1017315 - 150 mg/L••••2815945
TOC (Total Organic Carbon), HRDirect Method10128100 - 700 mg/L••••2760445
TOC - Total Organic Carbon (TNTplus), HR•Direct Method1026730 - 300 mg/L•••TNT811
TolytriazoleUV Photolysis80791.0 - 20.0 mg/L••••2141299
ToxicityToxTrak100170 - 100 % inhibition••••2597200
TPH in SoilImmunoassay100502 - 20 ppm, threshold•••2774300Requires Soil Extraction Kit. Please order Prod. No. 2775100
TPH in WaterImmunoassay100502 - 20 ppm, threshold•••2774300
Trihalomethanes (THM)THM Plus1013210 - 600 •g/L•••2790800
Trihalomethane Formation Potential (THMFP)THM Plus1022410 - 600 •g/L•••2790800
Vicinal Diketone - VDK (TNTplus)Analogous MEBAK and ASBC102760.015 - 0.5 mg/kg••TNT819
Volatile AcidsEsterification819627 - 2800 mg/L••••2244700
Volatile Acids (TNTplus)Esterification1024050 - 2500 mg/L•••TNT872
Zinc•Zincon80090.01 - 3.00 mg/L•••••2429300