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Variable Codes in Alphabetic Order
APPENDIX IV DATE ISSUED 2002-01-17
Code Alpha Description No.
Dec
Abbrev. Units Method
18503 2,4-D 2 2,4-D ug/L ELECTRON CAPTURE - GLC
02003 ABSORBANCE @ 340 NM 1 A340 ABS*1000 SPECTROPHOTO ABSORBANCE
02004 ABSORBANCE @ 440 NM 1 A440 ABS*1000 SPECTROPHOTO ABSORBANCE
02005 ABSORBANCE @ 740 NM 1 A740 ABS*1000 SPECTROPHOTO ABSORBANCE
02006 ABSORBANCE CO-EFFICIENT @ 340 NM 1 G340 m CALCULATED VALUE ABSORBANCES
02007 ABSORBANCE CO-EFFICIENT @ 440 NM 1 G440 m CALCULATED VALUE ABSORBANCES
10252 ACIDITY - TOTAL 2 TOTAL ACIDITY mg/L TITROPROCESSOR
18444 ALDICARB 2 ALDICARB ug/L HIGH PRESSURE LIQUID CHROMATOGRAPHY
18130 ALDRIN 2 ALDRIN ug/L GAS CHROMATOGRAPHY
10151 ALKALINITY - PHENOPHTHALEIN 1 ALKALINITY mg/L POTENTIOMETRIC TITRATION
* 10120 ALKALINITY - TOTAL 2 ALK TOT MEQ/L CACO3 VISUAL TITRATION
10123 ALKALINITY - TOTAL 2 ALK TOT mg/L ELECTROMETRIC TITRATION
* 10121 ALKALINITY - TOTAL 2 ALK TOT MEQ/L CACO3 ELECTROMETIC TITRATION
10101 ALKALINITY - TOTAL (CAC03) 2 ALK TOT mg/L CACO3 POTENTIOMETRIC TITRATION
10102 ALKALINITY - TOTAL (CAC03) 2 ALK TOT mg/L CACO3 POTENTIOMETRIC TITRATION
* 18075 ALPHA-BHC 3 ALPHA-BHC ug/L GAS CHROMATOGRAPHY
13111 ALUMINIUM - DISSOLVED 3 Al DISS mg/L Al ICP 1516
13102 ALUMINIUM - DISSOLVED 3 Al DISS mg/L Al AAS - DIRECT ASPIRATION
13190 ALUMINIUM - DISSOLVED 3 Al DISS mg/L Al ICP - MS
13901 ALUMINIUM - DISSOLVED 3 Al DISS mg/L Al AAS - FLAMELESS
13109 ALUMINIUM - DISSOLVED 3 Al DISS mg/L Al ICP 1502
13104 ALUMINIUM - DISSOLVED 3 Al DISS mg/L Al COLOURIMETRY
13103 ALUMINIUM - DISSOLVED 3 Al DISS mg/L Al AAS - SOLVENT EXTRACTION
13001 ALUMINIUM - TOTAL 3 Al TOTAL mg/L Al COLOURIMETRY
13009 ALUMINIUM - TOTAL 3 Al TOTAL mg/L Al ICP - 1502
13090 ALUMINIUM - TOTAL 3 Al TOTAL mg/L Al ICP - MS
13011 ALUMINIUM - TOTAL 3 Al TOTAL mg/L Al ICP 1503
13003 ALUMINIUM - TOTAL 3 Al TOTAL mg/L Al AAS - SOLVENT EXTRACTION
13911 ALUMINIUM - TOTAL 3 Al TOTAL mg/L Al AAS - FLAMELESS
13002 ALUMINIUM - TOTAL 3 Al TOTAL mg/L Al AAS - DIRECT ASPIRATION
07554 AMMONIA 2 NH3 mg/L N DISTILLATION + NESSLERIZATION
07556 AMMONIA 2 NH3 mg/L N COLOURIMETRY(INDOPHENOL BLUE)
07557 AMMONIA 2 NH3 mg/L N INDOPHENOL BLUE METHOD
07555 AMMONIA 2 NH3 mg/L N COLOURIMETRY (ALPHA-NAPHTOL)
07553 AMMONIA 2 NH3 mg/L N DISTILLATION AND TITRATION
07551 AMMONIA 2 NH3 mg/L N DIRECT NESSLERIZATION
07506 AMMONIA 2 NH3 mg/L N ION SELECTIVE ELECTRODE
07564 AMMONIA DISSOLVED 1 AMMONIA DISS mg/L N ION CHROMATOGRAPHY
* 10702 ANIONIC TENSIDES MBAS 1 TENS AN mg/L MBAS
51101 ANTIMONY - DISSOLVED 3 Sb DISS mg/L Sb ATOMIC ABSORPTION - DIRECT
33103 ARSENIC - DISSOLVED 3 As DISS mg/L As COLOURIMETRY
33108 ARSENIC - DISSOLVED 3 As DISS mg/L As ICP
33104 ARSENIC - DISSOLVED 3 As DISS mg/L As AAS - FLAMELESS
33190 ARSENIC - DISSOLVED 3 As DISS mg/L As ICP - MS
33202 ARSENIC - SUSPENDED 3 As PART ug/g As AAS-ACID DIGESTION (FLAMELESS)
33003 ARSENIC - TOTAL 3 As TOTAL mg/L As COLOURIMETRY
33007 ARSENIC - TOTAL 3 As TOTAL mg/L As AAS - FLAMELESS
33011 ARSENIC - TOTAL 3 As TOTAL mg/L As AAS - HYDRIDE
33008 ARSENIC - TOTAL 3 As TOTAL mg/L As ICP - EMISSION SPECTROSCOPY
33090 ARSENIC - TOTAL 3 As TOTAL mg/L As ICP - MS
33009 ARSENIC - TOTAL 3 As TOTAL mg/L As ICP 1502
18415 ATRAZINE - TOTAL 1 ATRAZINE ug/L GAS-LIQUID CHROMATOGRAPHY
* 56101 BARIUM - DISSOLVED 1 Cd DISS mg/L Ba AAS - DIRECT ASPIRATION
* 56001 BARIUM - TOTAL 1 Cd TOTAL mg/L Ba AAS - DIRECT ASPIRATION
* 56002 BARIUM - TOTAL 1 Cd TOTAL mg/L Ba FLAME EMISSION
95100 BENZENE 1 BENZENE ug/L GC - MS
* 18814 BHC 3 BHC ug/L GAS CHROMATOGRAPHY
06201 BICARBONATE 0 BICARBONATE mg/LHC03 CALCULATED
08201 BIOCHEMICAL OXYGEN DEMAND 0 BOD mg/L O2 5-DAY DILUTION
08202 BIOCHEMICAL OXYGEN DEMAND 0 BOD mg/L O2 5 DAY
05101 BORON - DISSOLVED 1 B DISS mg/L B POTENTIOMETRIC - MANNITOL
05190 BORON - DISSOLVED 1 B DISS mg/L B ICP - MS
05111 BORON - DISSOLVED 1 B DISS mg/L B ICP 1516
05109 BORON - DISSOLVED 1 B DISS mg/L B ICP 1502
05107 BORON - DISSOLVED 1 B DISS mg/L B ICP 1516
05105 BORON - DISSOLVED 1 B DISS mg/L B COLOURIMETRY
05102 BORON - DISSOLVED 1 B DISS mg/L B CURCUMIN
05009 BORON - TOTAL 1 B TOTAL mg/L B ICP 1502
05090 BORON - TOTAL 1 B TOTAL mg/L B ICP - MS
05001 BORON - TOTAL 1 B TOTAL mg/L B AAS
05011 BORON - TOTAL 1 B TOTAL mg/L B ICP 1503
05002 BORON - TOTAL 1 B TOTAL mg/L B COLOURIMETRY
48102 CADMIUM - DISSOLVED 3 Cd DISS mg/L Cd AAS - SOLVENT EXTRACTION
48111 CADMIUM - DISSOLVED 3 Cd DISS mg/L Cd ICP 1516
48101 CADMIUM - DISSOLVED 3 Cd DISS mg/L Cd AAS - DIRECT ASPIRATION
48190 CADMIUM - DISSOLVED 3 Cd DISS mg/L Cd ICP - MS
48901 CADMIUM - DISSOLVED 3 Cd DISS mg/L Cd AAS - FLAMELESS
48109 CADMIUM - DISSOLVED 3 Cd DISS mg/L Cd ICP 1502
48001 CADMIUM - TOTAL 3 Cd TOTAL mg/L Cd AAS - DIRECT ASPIRATION
48009 CADMIUM - TOTAL 3 Cd TOTAL mg/L Cd ICP 1502
48011 CADMIUM - TOTAL 3 Cd TOTAL mg/L Cd ICP 1503
48090 CADMIUM - TOTAL 3 Cd TOTAL mg/L Cd ICP - MS
48002 CADMIUM - TOTAL 3 Cd TOTAL mg/L Cd AAS - SOLVENT EXTRACTION
48911 CADMIUM - TOTAL 3 Cd TOTAL mg/L Cd AAS - FLAMELESS
48201 CADMIUM SUSPENDED 3 Cd PART ug/g Cd AAS - DIRECT ASPIRATION
20115 CALCIUM - DISSOLVED 3 Ca DISS mg/L Ca ICP 1502
20105 CALCIUM - DISSOLVED 3 Ca DISS mg/L Ca FLAME EMISSION
20109 CALCIUM - DISSOLVED 3 Ca DISS mg/L ION CHROMATOGRAPHY
20111 CALCIUM - DISSOLVED 3 Ca DISS mg/L Ca ICP 1516
20103 CALCIUM - DISSOLVED 3 Ca DISS mg/L Ca AAS
20101 CALCIUM - DISSOLVED 3 Ca DISS mg/L Ca EDTA TITRATION
* 20003 CALCIUM - TOTAL 3 Ca TOTAL mg/L Ca AAS
20106 CALCIUM HARDNESS 1 Ca HARDNESS mg/L EDTA TITRATION
20106 CALCIUM HARDNESS 1 Ca HARDNESS mg/L EDTA TITRATION
* 06001 CARBON - TOTAL ORGANIC 0 TOC mg/L C INFRARED ANALYSIS - DUAL CHANNEL
06101 CARBON ORGANIC - DISSOLVED 1 ORG.C DISS mg/L C INFRARED ANALYSIS
06077 CARBON ORGANIC - PARTICULATE 3 ORG.C PART ug/g C FLAME IONIZATION
06076 CARBON ORGANIC - PARTICULATE 3 ORG.C PART ug/g C CHN ANALYZER
06301 CARBONATE 0 CARBONATE mg/LHC03 CALCULATED
08301 CHEMICAL OXYGEN DEMAND 0 COD mg/L O2 K2CR07
17202 CHLORIDE 0 Cl DISS mg/L Cl SILVER NITRATE POTENTIOMETRIC
17201 CHLORIDE 0 Cl DISS mg/L Cl MERCURIC NITRATE TITRATION
17205 CHLORIDE 0 Cl DISS mg/L Cl SPECIFIC ION ELECTRODE
17207 CHLORIDE 0 Cl DISS mg/L Cl ION EXCHANGE
17204 CHLORIDE 0 Cl DISS mg/L Cl SILVER NITRATE TITRATION
17203 CHLORIDE 0 Cl DISS mg/L Cl COLOURIMETRY
17209 CHLORIDE 0 Cl DISS mg/L Cl ION CHROMATOGRAPHY
06711 CHLOROPHYLL A 4 CHLORAPHYLL A mg/L COLOURIMETRY
24901 CHROMIUM - DISSOLVED 3 Cr DISS mg/L Cr AAS - FLAMELESS
24111 CHROMIUM - DISSOLVED 3 Cr DISS mg/L Cr ICP 1516
24190 CHROMIUM - DISSOLVED 3 Cr DISS mg/L Cr ICP - MS
24052 CHROMIUM - DISSOLVED 3 Cr DISS mg/L Cr AAS
* 24101 CHROMIUM - HEXAVALENT 3 Cr HEX mg/L Cr COLOURIMETRY
24202 CHROMIUM - SUSPENDED 3 Cr PART ug/g Cr AAS - DIRECT ASPIRATION
24911 CHROMIUM - TOTAL 3 Cr TOTAL mg/L Cr AAS - FLAMELESS
24002 CHROMIUM - TOTAL 3 Cr TOTAL mg/L Cr AAS - DIRECT ASPIRATION
24009 CHROMIUM - TOTAL 3 Cr TOTAL mg/L Cr ICP 1502
24011 CHROMIUM - TOTAL 3 Cr TOTAL mg/L Cr ICP 1503
24090 CHROMIUM - TOTAL 3 Cr TOTAL mg/L Cr ICP - MS
02070 CLARITY 1 CLARITY m HORIZONTAL BLACK DISC
97320 CLOUD COVER 0 PERCENT PERCENT ESTIMATED PERCENT
* 06402 CO2 - DISSOLVED 0 CO2 DISS mg/L  
27009 COBALT - TOTAL 3 Co TOTAL mg/L Co ICP 1502
36001 COLIFORM - TOTAL 0 COLIFORM TOTAL No/100ml MULTIPLE TEST TUBE
36002 COLIFORM - TOTAL 0 COLIFORM TOTAL No/100ml MEMBRANE FILTRATION
02011 COLOUR APPARENT 1 COLIFORM TOTAL REL.UNIT VISUAL COMPARISON
29101 COPPER - DISSOLVED 3 Cu DISS mg/L Cu COLOURIMETRY
29901 COPPER - DISSOLVED 3 Cu DISS mg/L Cu AAS - FLAMELESS
29109 COPPER - DISSOLVED 3 Cu DISS mg/L Cu ICP 1502
29106 COPPER - DISSOLVED 3 Cu DISS mg/L Cu AAS - DIRECT ASPIRATION
29111 COPPER - DISSOLVED 3 Cu DISS mg/L Cu ICP 1516
29105 COPPER - DISSOLVED 3 Cu DISS mg/L Cu AAS - SOLVENT EXTRACTION
29190 COPPER - DISSOLVED 3 Cu DISS mg/L Cu ICP - MS
29005 COPPER - TOTAL 3 Cu TOTAL mg/L Cu AAS - SOLVENT EXTRACTION
29090 COPPER - TOTAL 3 Cu TOTAL mg/L Cu ICP/MS
29911 COPPER - TOTAL 3 Cu TOTAL mg/L Cu AAS - FLAMELESS
29006 COPPER - TOTAL 3 Cu TOTAL mg/L Cu AAS - DIRECT ASPIRATION
29011 COPPER - TOTAL 3 Cu TOTAL mg/L Cu ICP 1503
29001 COPPER - TOTAL 3 Cu TOTAL mg/L Cu COLOURIMETRY
29009 COPPER - TOTAL 3 Cu TOTAL mg/L Cu ICP 1502
29206 COPPER SUSPENDED 3 Cu PART mg/L Cu AAS - DIRECT ASPIRATION
* 06606 CYANIDE 3 Cn mg/L Cn COLOURIMETRY
18002 DDT - TOTAL 3 DDT TOTAL ug/L GAS CHROMATOGRAPHY
18150 DIELDRIN 3 DIELDRIN ug/L GAS CHROMATOGRAPHY
97184 DISCHARGE MONTHLY MEAN 0 DISCH.MON.MEAN m3/s CALCULATED
08107 DISSOLVED OXYGEN 1 DISS O2 mg/L O2 CALC. FROM % SAT
08102 DISSOLVED OXYGEN 1 DISS O2 mg/L O2 DISSOLVED OXYGEN METER
08101 DISSOLVED OXYGEN 1 DISS O2 mg/L O2 WINKLER
02041 ELECTRICAL CONDUCTIVITY 0 ELEC.COND. us/cm CONDUCTIVITY METER
02049 ELECTRICAL CONDUCTIVITY 0 ELEC.COND. us/cm RADIOMETER CDM 83
02040 ELECTRICAL CONDUCTIVITY 0 ELEC.COND. us/cm ELECTROMETRY - 20 DEG C
* 18140 ENDRIN 3 ENDRIN ug/L GAS CHROMATOGRAPHY
36011 FAECAL COLIFORM BACTERIA 0 FAEC COL No/100ml MULTIPLE TEST TUBE
36012 FAECAL COLIFORM BACTERIA 0 FAEC COL No/100ml MEMBRANE FILTRATION
* 36102 FAECAL STREPTOCOCCI 0 FAEC STREP No/100ml MEMBRANE FILTER
* 36101 FAECAL STREPTOCOCCI 0 FAEC STREP No/100ml MULTIPLE TUBE FERMENTATION
* 10501 FIXED SUSPENDED SOLIDS 0 FIX SUSP SOLIDS mg/L GRAVIMETRY
09106 FLUORIDE - DISSOLVED 1 F DISS mg/L F ELECTRODE POTENTIAL METHOD
09116 FLUORIDE - DISSOLVED 1 F DISS mg/L F ION CHROMATOGRAPHY
09105 FLUORIDE - DISSOLVED 1 F DISS mg/L F SPECIFIC ION ELECTRODE
09104 FLUORIDE - DISSOLVED 1 F DISS mg/L F COLOURIMETRY
09110 FLUORIDE - DISSOLVED 1 F DISS mg/L F PHOTOMETRIC (LA-ALIZARIN COMPLEX)
09107 FLUORIDE - DISSOLVED 1 F DISS mg/L F POTENTIOMETRIC - SPECIFIC ION
18070 GAMMA-BHC (LINDANE) 3 LINDANE ug/L GAS LIQUID CHROMATOGRAPHY
10603 HARDNESS - TOTAL 1 HARDNESS TOTAL mg/L EDTA TITRATION
06570 HYDROCARBONS - TOTAL 1 HYDROCAR. TOTAL ug/L IR INTENSITY SPECTROSCOPY
* 01000 HYDROGEN SULPHIDE 2 H2S mg/L  
97160 INSTANTANEOUS DISCHARGE 1 INST DISCHG m3/S GAUGE HEIGHT
00190 INTERGRATED SAMPLE CODE IS FOR INTERNAL USE ONLY 0 INTEG.SAMPLE N/A VERTICAL (V), HORIZONTAL (H),TIME (T)
26102 IRON - DISSOLVED 2 Fe DISS mg/L Fe COLOURIMETRY
26901 IRON - DISSOLVED 2 Fe DISS mg/L Fe AAS - FLAMELESS
26190 IRON - DISSOLVED 2 Fe DISS mg/L Fe ICP - MS
26104 IRON - DISSOLVED 2 Fe DISS mg/L Fe AAS - DIRECT ASPIRATION
26109 IRON - DISSOLVED 2 Fe DISS mg/L Fe ICP 1502
26111 IRON - DISSOLVED 2 Fe DISS mg/L Fe ICP 1516
26105 IRON - DISSOLVED 2 Fe DISS mg/L Fe AAS - SOLVENT EXTRACTION
26005 IRON - TOTAL 2 Fe TOTAL mg/L Fe AAS - SOLVENT EXTRACTION