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.

2 Uses DCIC for hypochlorite source; QC8500 only; requires 2 cm detector10 107 06 5 N/L as NH3 11732 Gas diffusion / pH indicator; 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.

3 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; 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.

4 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.

5 ; 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.

6 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; 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.

7 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; 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.

8 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.

9 Ultra High Throughput method: >125 samples / 115 01 1 20 g based method; Requires 2 cm detector; for samples w/ low silicate; 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