Lachat Applications: Regulatory Quick Reference …

1 ParameterMethod NumberRangeMDLU nitsEPA NPDESEPA NPDWREPA Method ISON otes10 303 31 1 A10 500 CaCO3 Orange method10 303 31 1 D1 50 CaCO3 Orange method10 107 06 1 N/L as Phenol based method; H2SO4 preserved samples10 107 06 1 N/L as Phenol based method; Non preserved samples10 107 06 1 F10 to 1001 g N/L as Phenol based method; Low flow method10 107 06 1 N/L as NH3 Accepted Phenol based method10 107 06 1 N/L as Phenol based method; Low flow method;preservedand non preservedLachat Applications: Regulatory Quick Reference GuideAlkalinity10 107 06 1 N/L as ; preserved and non preserved samples10 107 06 1 N/L as Phenol based method; Low flow method10 107 06 1 ; ; N/L as Phenol based method; Acid preserved or non acid preserved samples10 107 06 1 O2 500; g N/L as NH3;mg N/L as Phenol based method10 107 06 1 N/L as Phenol based method; MicroDIST ; low flow method10 107 06 2 N/L as Salicylate based method10 107 06 2 20 N/L as Salicylate based method; Ultra High Throughput method: 120 samples / hr10 107 06 2 O10 500; ; g N/L as Salicylate based method10 107 06 3 g N/L as Phenol based method; Uses DCIC for hypochlorite source; QC8500 only; requires 2 cm detector10 107 06 5 N/L as NH3 11732 Gas diffusion / pH indicator.

2 Low flow methodAmmoniaLachat Regulatory Quick Reference GuidePage 1 of 10rev6 19-Oct-09 ParameterMethod NumberRangeMDLU nitsEPA NPDESEPA NPDWREPA Method ISON otes10 107 06 5 N/L as NH311732 Gas diffusion / pH indicator10 107 06 5 N/L as NH311732 Gas diffusion method10 107 06 5 H10 90 g N/L as NH311732 Gas diffusion method10 107 06 6 20 N/L as Salicylate based method; w/ inline distillation; requires inline sample prep module(2 heaters)10 107 06 6 10 N/L as Phenol based method; Inline ammonia distillation30 107 06 1 N/L as Phenol based method; Distillation required31 107 06 1 B5 g N/L as Phenol based method31 107 06 1 g N/L as Phenol based method; Samples w/ 0 35 ppt salinity31 107 06 1 g N/L as Phenol based method; QC8500 only; requires 2 cm detector31 107 06 1 N/L as Phenol based method; High range for seawater; can be used for non saline as well; Ultra High Throughput method: ~ 120 injections/ hr80 107 06 1 N/L as Phenol based method; Ultra Low Flow method; must be run alone or with methods;pumpspeedis 1080 107 06 1 N/L as Low Flow method; must be run alone or with other ULF methods; pump speed is 1080 107 06 1 N/L as Low Flow method; must be run alone or with other ULF methods.

3 Pump speed is 1010 117 07 1 A6 300 Cl /LAccepted Accepted USGS I2 187 85 15682 Low flow method10 117 07 1 100 Cl /LAccepted Accepted USGS I2 187 85 1568210 117 07 1 Cl /LEquivalentUSGS I2 187 85 Low flow method10 117 07 1 2000 Cl /LEquivalentUSGS I2 187 8510 117 07 1 100 Cl /LAcceptedUSGS I2 187 8510 117 07 1 I50 1000 1mg Cl /LAcceptedUSGS I2 187 85 Low flow method10 117 07 1 Cl /LEquivalentUSGS I2 187 85 Ultra High Throughput method; 120 samples per hour80 117 07 1 1006 Cl /LEquivalentUSGS I2 187 85 Ultra Low Flow method; must be run alone or with other ULF methods; pump speed is 1010 124 13 1 mg Cr(VI)/L 124 13 1 B2 200 g Cr(VI)/L Regulatory Quick Reference GuidePage 2 of 10rev6 19-Oct-09 ParameterMethod NumberRangeMDLU nitsEPA NPDESEPA NPDWREPA Method ISON otes10 141 13 2 10 Cr/L23913 Total10 302 00 1 575 302 00 1 6667 NA 204 00 1 CN /LAccepted M NaOH matrix following digestion10 204 00 1 CN M NaOH matrix following digestion10 204 00 1 F50 500 NAmg CN flow method; M NaOH matrix following digestion10 204 00 1 I2 100 g CN /L14403 Inline CN; pyridine free; 1,3 dimethylbarbituric acid10 204 00 1 CN /LApproved Approved Approved methodMicroDIST method; M NaOH matrix following digestion10 204 00 1 CN /LEquivalent AcceptedLachat 10 204 00 1 XUltra High Throughput method: >125 samples / hr.

4 ; MicroDIST method10 204 00 2 C2 100 g CN CN (total) method10 204 00 2 D5 500 g CN CN (total) method10 204 00 2 E2 100 g CN CN (total) method; lower recovery of ferricyanide10 204 00 5 400 g CN detection w/ Ligand Exchange80 204 00 1 CN Low Flow method; must be run alone or with other ULF methods; pump speed is 10 ConductivityCyanidewith other ULF methods; pump speed is 1080 204 00 1 CN /LEquivalentLachat 10 204 00 1 XUltra Low Flow method; must be run alone or with other ULF methods; pump speed is 10; distillate uses MicroDIST 10 109 12 2 F /LAccepted Accepted USGS I4 327 85 Ion Selective Electrode10 109 12 2 B1 1000 F Selective Electrode10 109 12 2 F Selective Electrode10 109 12 2 F Selective Electrode10 301 31 1 A5 CaCO3 ; 80 samples / 301 31 1 B30 800 CaCO3 301 31 1 C125 1500 17mg CaCO3 107 06 2 20 digests; Mercury catalyst10 107 06 2 digests; Mercury catalyst10 107 06 2 digests; Copper catalyst10 107 06 2 digests; Copper catalyst10 107 06 2 digests; low flow method; Mercury catalyst10 107 06 2 25 digests; Copper catalystFluorideHardness, TotalLachat Regulatory Quick Reference GuidePage 3 of 10rev6 19-Oct-09 ParameterMethod NumberRangeMDLU nitsEPA NPDESEPA NPDWREPA Method ISON otes10 107 06 2 20; ; digests; Mercury catalyst; Ultra High Throughput method: >125 samples / 107 06 2 25 digests; Copper catalyst; DI water carrier; Ultra High Throughput method10 107 06 5 N/L11732 Kjeldahl digests; Gas diffusion; may be used for brackish sample matrix10 107 06 6 20 digests; Mercury catalyst.

5 Inline distillation10 107 06 6 20 digests; Copper catalyst; Inline distillation10 107 04 1 N/LAccepted reduction; low flow method10 107 04 1 N/LAccepted reduction10 107 04 1 N/LAccepted reduction10 107 04 1 F1 reduction10 107 04 1 H5 reduction; dialysis10 107 04 1 N/LAccepted reduction; low flow method10 107 04 1 M NAccepted reduction; low flow method10 107 04 1 N/LAccepted reduction; low flow method10 107 04 1 N/LAccepted reductionKjeldahl Nitrogen10 107 04 1 flow method; Imidazole buffer; for use w/ non preserved and aced preserved samples10 107 04 1 20 N/LEquivalent High Throughput method: 120 samples / 107 04 2 A2 100 NO3/LAccepted reduction10 107 04 2 N/LAccepted reduction10 107 04 2 7 N/LAccepted reduction30 107 04 1 107 04 1 50% ASW as diluents and carrier31 107 04 1 M reduction31 107 04 1 M reduction31 107 04 1 14 g reduction31 107 04 1 E5 g 107 04 1 14 g 2 cm detector; QC8500 only31 107 04 1 10; ; High Throughput method: 120 samples / 107 04 1 30 range method; can also be used for non saline matricesNitrate + NitriteLachat Regulatory Quick Reference GuidePage 4 of 10rev6 19-Oct-09 ParameterMethod NumberRangeMDLU nitsEPA NPDESEPA NPDWREPA Method ISON otes80 107 04 1 Low Flow method.

6 Must be run alone or with other ULF methods; pump speed is 1010 107 05 1 N/LEquivalent only10 107 05 1 only; 5 M N; low flow method10 107 05 1 only; low flow method10 107 05 1 O10 1000 4 g only; low flow method31 107 05 1 M only31 107 05 1 range method80 107 05 1 Low Flow method; must be run alone or with other ULF methods; pump speed is 1010 210 00 1 A5 200 g phenol/L samples10 210 00 1 mg phenol/L samples; cycle period: 30 s10 210 00 1 mg phenol/L method10 210 00 1 50 phenol/L method10 210 00 3 A2 200 g phenol/L distillation for volatile phenolics; method includes dedicated channel5 500080 Inline distillation for volatile phenolics; also covers range: 10 1000 g phenol/L; MDL NitritePhenol10 210 00 3 B5 50010 g phenol/L range: 10 1000 g phenol/L; MDL g phenol/L ; method includes dedicated channel; settleable particulate samples are not suitablew/ method10 210 00 3 C2 g phenol/L to allow automation of USEPA 115 01 1 P/LAccepted based method; 10 115 01 1 P/LAccepted based method; 10 115 01 1 M1 100 g P/LAccepted based method; 10 115 01 1 20 based method; Ultra High Throughput method: 120 samples / 115 01 1 P/LAccepted based method; Low flow method10 115 01 1 P/LAccepted based method; Low flow method10 115 01 1 P/LAccepted 115 01 1 ; ; P/LEquivalent based method; Ultra High Throughput method: >125 samples / 115 01 1 20 g based method; Requires 2 cm detector; for samples w/ low silicate.

7 QC8500 onlyLachat Regulatory Quick Reference GuidePage 5 of 10rev6 19-Oct-09 ParameterMethod NumberRangeMDLU nitsEPA NPDESEPA NPDWREPA Method ISON otes10 115 01 1 100 g based method; Requires 2 cm detector; for samples w/ higher silicate; QC8500only31 115 01 1 M based method; 62 310 g P/L as PO43 31 115 01 1 H5 400 1 g based method; M P31 115 01 1 I1 100 g based method; M P31 115 01 1 ; ; based method31 115 01 1 20 g based method; Requires 2 cm detector; for samples w/ low silicate; QC8500 only31 115 01 1 100 g based method; Requires 2 cm detector; for samples w/ higher silicate; QC8500only80 115 01 1 Low Flow method; must be run alone or with other ULF methods; pump speed is 1010 115 01 1 based method; Total P; Kjeldahl digests; Mercury catalystMolybdatebasedmethodTotalP KjeldahlPhosphate, ortho10 115 01 1 based method; Total P; Kjeldahl digests; Mercury catalyst10 115 01 1 based method; Total P; Persulfate digests10 115 01 1 based method; Total P; Persulfate digests10 115 01 1 based method; Ultra High Throughput method: >100 samples / hr.

8 ; Total P; Kjeldahl digests; Mercury catalyst 10 115 01 2 10 based method; Total P; Kjeldahl digests; Copper catalyst10 115 01 3 based method; Total P; Inline acidic persulfate digest10 115 01 3 based method; Total P; Inline acidic persulfate digest10 115 01 3 based method; Total P; Inline acidic persulfate digest10 115 01 3 E10 500 g based method; Total P; Inline acidic persulfate digest10 115 01 3 F2 100 g based method; Total P; Inline acidic persulfate digestPhosphorusLachat Regulatory Quick Reference GuidePage 6 of 10rev6 19-Oct-09 ParameterMethod NumberRangeMDLU nitsEPA NPDESEPA NPDWREPA Method ISON otes10 115 01 4 NAmg based method; Total P; Persulfate manual digests10 115 01 4 10 based method; Total P; Potassium persulfate manual digest; low flow method10 115 01 4 based method; Total P; Persulfate manual digests; low flow method31 115 01 3 based method; Total P; Inline acidic persulfate digests; M P/L31 115 01 3 F2 g based method; Low level for Total P31 115 01 4 400 g based method; Acid persulfate manual digest; M P/L10 114 27 1 20 SiO2/LAcceptedUSGS I2 700 85 Molybdate reactive10 114 27 1 B10 100 g SiO2 reactive; Ultra High Throughput method: 120 samples / 114 27 1 g SiO2 2 cm detector; QC8500 only31 114 27 1 A20 100 M reactive31 114 27 1 M reactive; mg Si/L31 114 27 1 D10 1700 g M SiSilicate31 114 27 1 D10 1700 g M Si31 114 27 1 100 g 2 cm detector; QC8500 only31 114 27 1 30 g high range; salinity range: 0 35 ppt.

9 Can be used w/ non saline samplesSodium10 111 32 1 300 emission10 116 10 1 300 SO42 116 10 1 SO42 116 10 1 E10 100 SO42 116 10 1 G50 2000 NAmg SO42 ; low flow method10 116 10 2 100 SO42 Thymol Blue method10 116 10 2 B50 300 SO42 /LEquivalent Thymol Blue method10 116 10 2 E2 40 SO42 Thymol Blue method10 116 29 1 method; Methylene Blue; M NaOH10 116 29 1 C25 100 M NaOH; distillation required10 116 29 3 distillation; method includes two dedicated channels10 116 29 3 distillation; method includes two dedicated channels10 306 00 1 extraction; LAS range: mg/L; MDL mg/LSurfactantsSulfateSulfideLachat Regulatory Quick Reference GuidePage 7 of 10rev6 19-Oct-09 ParameterMethod NumberRangeMDLU nitsEPA NPDESEPA NPDWREPA Method ISON otes10 306 00 1 extraction methodIC Anions; Bromate10 540 00 1 C5 50 g BrO3 byproducts, Run time: 38 min.

10 , use Omnion 510 00 1 Br /LEquivalent 110304 2100 L loop, Run time: 11 510 00 1 5 NAmg Br /LEquivalent 110304 2 High range method, 100 L loop, Run time: 11 510 00 1 Br /LEquivalent 110304 2 Low range method, 200 L loop, Run time: 11 510 00 1 Br /LEquivalent 110304 2 Chloride to Nitrite N ratio 800:1, Ru