Lachat Applications: Regulatory Quick Reference Guide

Transcription

1 Lachat Applications: Regulatory Quick Reference Guide Parameter Method Number Range MDL Units Alkalinity NPDWR Method ISO Notes A mg CaCO 3 /L Accepted Methyl Orange method D mg CaCO 3 /L Equivalent Methyl Orange method B mg N/L as NH 3 Accepted Alkaline Phenol based method; 0.2% H 2 SO 4 preserved samples C mg N/L as NH 3 Accepted Alkaline Phenol based method; Nonpreserved samples F 10 to μg N/L as NH 3 Equivalent Alkaline Phenol based method; Low flow method I mg N/L as NH 3 Accepted Accepted Alkaline Phenol based method J mg N/L as NH 3 Accepted Accepted Alkaline Phenol based method; Low flow method; preservedand non preserved samples K mg N/L as NH 3 Accepted Alkaline Phenol based method; Low flow M O ; ; ; mg N/L as NH 3 Equivalent method Alkaline Phenol based method; Acid preserved or non acid preserved samples μg N/L as NH 3 ; mg N/L as NH 3 Equivalent Alkaline Phenol based method Ammonia X mg N/L as NH 3 Equivalent Alkaline Phenol based method; MicroDIST ; low flow method A mg N/L as NH 3 Equivalent Sodium Salicylate based method L mg N/L as NH 3 Equivalent O ; ; Sodium Salicylate based method; Ultra High Throughput method: 120 samples / hr μg N/L as NH 3 Equivalent Sodium Salicylate based method F μg N/L as NH 3 Equivalent Alkaline Phenol based method; Uses DCIC for hypochlorite source; QC8500 only; requires 2 cm detector B mg N/L as NH Gas diffusion / ph indicator; low flow method Lachat Regulatory Quick Reference Guide Page 1 of 10 rev6 19-Oct-09

2 NPDWR Method ISO Notes E mg N/L as NH Gas diffusion / ph indicator G mg N/L as NH Gas diffusion method H μg N/L as NH Gas diffusion method Sodium Salicylate based method; w/ inline A mg N/L as NH 3 Equivalent distillation; requires inline sample prep module (2 heaters) B mg N/L as NH 3 Equivalent Alkaline Phenol based method; Inline ammonia distillation A NA mg N/L as NH 3 Accepted Alkaline Phenol based method; Distillation required B μg N/L as NH 3 Equivalent Alkaline Phenol based method F μg N/L as NH 3 Equivalent Alkaline Phenol based method; Samples w/ 0 35 ppt salinity G μg N/L as NH 3 Equivalent Alkaline Phenol based method; QC8500 only; requires 2 cm detector Alkaline Phenol based method; High range for H mg N/L as NH 3 Equivalent seawater; can be used for non saline as well; Ultra High Throughput method: ~ 120 injections / hr A mg N/L as NH 3 Equivalent Flow method; must be run alone or with Alkaline Phenol based method; Ultra Low other ULF methods; pump speed is B mg N/L as NH 3 Equivalent Chloride Chromium C mg N/L as NH 3 Equivalent A mg Cl /L Accepted Accepted USGS I Low flow method B mg Cl /L Accepted Accepted USGS I C mg Cl /L Equivalent USGS I Low flow method E mg Cl /L Equivalent USGS I H mg Cl /L Accepted USGS I I mg Cl /L Accepted USGS I Low flow method K mg Cl /L Equivalent USGS I A mg Cl /L Equivalent USGS I A mg Cr(VI)/L Accepted Hexavalent B μg Cr(VI)/L Equivalent Hexavalent Ultra High Throughput method; 120 samples per hour Lachat Regulatory Quick Reference Guide Page 2 of 10 rev6 19-Oct-09

3 Conductivity Cyanide NPDWR Method ISO Notes A mg Cr/L Total A μs/cm Accepted B NA μs/cm Accepted A mg CN /L Accepted Accepted M NaOH matrix following digestion B NA mg CN /L Equivalent M NaOH matrix following digestion F NA mg CN /L Equivalent Low flow method; 0.25 M NaOH matrix following digestion I μg CN /L Inline CN; pyridine free; 1,3 dimethylbarbituric acid X mg CN /L Approved Approved Approved method MicroDIST method; 0.25 M NaOH matrix following digestion X mg CN /L Equivalent Accepted Lachat Ultra High Throughput method: >125 samples X / hr.; MicroDIST method C μg CN /L Equivalent Inline CN (total) method D μg CN /L Equivalent Inline CN (total) method E μg CN /L Equivalent Inline CN (total) method; lower recovery of ferricyanide A μg CN /L Equivalent Amperometric detection w/ Ligand Exchange Fluoride Hardness, Total A mg CN /L Equivalent X mg CN /L Equivalent Lachat X ; distillate uses MicroDIST A mg F /L Accepted Accepted USGS I Ion Selective Electrode B mg F /L Equivalent Ion Selective Electrode C mg F /L Equivalent Ion Selective Electrode D mg F /L Equivalent Ion Selective Electrode A mg CaCO 3 /L Accepted Calmagite ; 80 samples / hr B mg CaCO 3 /L Accepted Calmagite C mg CaCO 3 /L Equivalent Calmagite D mg N/L Accepted Kjeldahl digests; Mercury catalyst E mg N/L Accepted Kjeldahl digests; Mercury catalyst H mg N/L Equivalent Kjeldahl digests; Copper catalyst I mg N/L Equivalent Kjeldahl digests; Copper catalyst K mg N/L Equivalent Kjeldahl digests; low flow method; Mercury catalyst M mg N/L Equivalent Kjeldahl digests; Copper catalyst Lachat Regulatory Quick Reference Guide Page 3 of 10 rev6 19-Oct-09

4 NPDWR Method ISO Notes Kjeldahl Nitrogen N ; ; 0.04 mg N/L Equivalent Kjeldahl digests; Mercury catalyst; Ultra High Throughput method: >125 samples / hr. Nitrate + Nitrite P mg N/L Equivalent Kjeldahl digests; Copper catalyst; DI water carrier; Ultra High Throughput method F mg N/L Kjeldahl digests; Gas diffusion; may be used for brackish sample matrix C mg N/L Equivalent Kjeldahl digests; Mercury catalyst; Inline distillation D mg N/L Equivalent Kjeldahl digests; Copper catalyst; Inline distillation A mg N/L Accepted Accepted Cd reduction; low flow method B mg N/L Accepted Accepted Cd reduction C mg N/L Accepted Accepted Cd reduction F mg N/L Equivalent Cd reduction H mg N/L Equivalent Cd reduction; dialysis J mg N/L Accepted Accepted Cd reduction; low flow method K μm N Accepted Accepted Cd reduction; low flow method L mg N/L Accepted Accepted Cd reduction; low flow method O mg N/L Accepted Accepted Cd reduction Q mg N/L Equivalent Low flow method; Imidazole buffer; for use w/ non preserved and aced preserved samples R Ultra High Throughput method: 120 samples mg N/L Equivalent Accepted / hr A mg NO 3 /L Accepted Accepted Hydrazine reduction B mg N/L Accepted Accepted Hydrazine reduction D mg N/L Accepted Accepted Hydrazine reduction A mg N/L Accepted C mg N/L Equivalent Uses 50% ASW as diluents and carrier A μm N Equivalent Cd reduction C μm N Equivalent Cd reduction D μg N/L Equivalent Cd reduction E μg N/L Equivalent F μg N/L Equivalent Requires 2 cm detector; QC8500 only ; 0.05; Ultra High Throughput method: 120 samples G mg N/L Equivalent / hr. High range method; can also be used for nonsaline H mg N/L Equivalent matrices Lachat Regulatory Quick Reference Guide Page 4 of 10 rev6 19-Oct-09

5 Nitrite Phenol A mg N/L Equivalent NPDWR Method ISO Notes A mg N/L Equivalent Accepted Nitrite only B mg N/L Equivalent Nitrite only; μm N; low flow method C mg N/L Equivalent Nitrite only; low flow method O μg N/L Equivalent Nitrite only; low flow method A μm N Equivalent Nitrite only B mg N/L Equivalent High range method A mg N/L Equivalent A μg phenol/l Accepted Distilled samples B mg phenol/l Accepted Distilled samples; cycle period: 30 s X mg phenol/l Equivalent MicroDIST method Y mg phenol/l Equivalent MicroDIST method A μg phenol/l Equivalent Inline distillation for volatile phenolics; method includes dedicated channel Inline distillation for volatile phenolics; also B covers range: μg phenol/l; MDL μg phenol/l Equivalent μg phenol/l ; method includes dedicated channel; settleable particulate samples are C μg phenol/l Equivalent not suitable w/ method Developed to allow automation of US A mg P/L Accepted Accepted Molybdate based method; B mg P/L Accepted Accepted Molybdate based method; M μg P/L Accepted Accepted Molybdate based method; O mg P/L Equivalent Molybdate based method; Ultra High Throughput method: 120 samples / hr P mg P/L Accepted Accepted Molybdate based method; Low flow method Q mg P/L Accepted Accepted Molybdate based method; Low flow method T mg P/L Accepted Accepted ; ; V mg P/L Equivalent Accepted W μg P/L Equivalent Molybdate based method; Ultra High Throughput method: >125 samples / hr. Molybdate based method; Requires 2 cm detector; for samples w/ low silicate; QC8500 only Lachat Regulatory Quick Reference Guide Page 5 of 10 rev6 19-Oct-09

6 Phosphate, ortho Y μg P/L Equivalent G μm P Equivalent NPDWR Method ISO Notes Molybdate based method; Requires 2 cm detector; for samples w/ higher silicate; QC8500 only Molybdate based method; μg P/L as 3 PO H μg P/L Equivalent Molybdate based method; μm P I μg P/L Equivalent Molybdate based method; μm P Phosphorus J ; ; mg P/L Equivalent Molybdate based method W μg P/L Equivalent Y μg P/L Equivalent A mg P/L Equivalent C mg P/L Accepted D mg P/L Accepted E mg P/L Accepted F mg P/L Accepted I mg P/L Equivalent B mg P/L Equivalent A mg P/L Equivalent B mg P/L Equivalent C mg P/L Equivalent E μg P/L Equivalent F μg P/L Equivalent Molybdate based method; Requires 2 cm detector; for samples w/ low silicate; QC8500 only Molybdate based method; Requires 2 cm detector; for samples w/ higher silicate; QC8500 only Molybdate based method; Total P; Kjeldahl digests; Mercury catalyst Molybdate based method; Total P; Kjeldahl digests; Mercury catalyst Molybdate based method; Total P; Persulfate digests Molybdate based method; Total P; Persulfate digests Molybdate based method; Ultra High Throughput method: >100 samples / hr.; Total P; Kjeldahl digests; Mercury catalyst Molybdate based method; Total P; Kjeldahl digests; Copper catalyst acidic persulfate digest acidic persulfate digest acidic persulfate digest acidic persulfate digest acidic persulfate digest Lachat Regulatory Quick Reference Guide Page 6 of 10 rev6 19-Oct-09

7 I NA mg P/L Equivalent S mg P/L Equivalent NPDWR Method ISO Notes Molybdate based method; Total P; Persulfate manual digests Molybdate based method; Total P; Potassium persulfate manual digest; low flow method U mg P/L Equivalent Molybdate based method; Total P; Persulfate manual digests; low flow method D mg P/L Equivalent acidic persulfate digests; μm P/L F μg P/L Equivalent Molybdate based method; Low level for Total P A μg P/L Equivalent Molybdate based method; Acid persulfate manual digest; μm P/L A mg SiO 2 /L Accepted USGS I Molybdate reactive B μg SiO 2 /L Equivalent Moybdate reactive; Ultra High Throughput method: 120 samples / hr C μg SiO 2 /L Equivalent Requires 2 cm detector; QC8500 only Silicate A μm Si Equivalent Molybdate reactive B μm Si Equivalent Molybdate reactive; mg Si/L D μg Si/L Equivalent μm Si E μg Si/L Equivalent Requires 2 cm detector; QC8500 only F μg Si/L Equivalent Ultra high range; salinity range: 0 35 ppt; can be used w/ non saline samples Sodium A mg Na/L Equivalent Flame emission A mg SO 2 4 /L Equivalent Turbidimetric C mg SO 2 4 /L Equivalent Turbidimetric E mg SO 2 4 /L Equivalent Turbidimetric Sulfate G NA mg SO 2 4 /L Equivalent Turbidimetric; low flow method A mg SO 2 4 /L Equivalent Methyl Thymol Blue method B mg SO 2 4 /L Equivalent Accepted Methyl Thymol Blue method Sulfide Surfactants E mg SO 2 4 /L Equivalent Methyl Thymol Blue method A mg S/L Equivalent MicroDIST method; Methylene Blue; 0.25 M NaOH C mg S/L Equivalent M NaOH; distillation required A mg S/L Equivalent Inline distillation; method includes two dedicated channels B mg S/L Equivalent Inline distillation; method includes two dedicated channels C mg/l Equivalent Dual extraction; LAS range: mg/l; MDL mg/l Lachat Regulatory Quick Reference Guide Page 7 of 10 rev6 19-Oct-09

8 NPDWR Method ISO Notes D mg SDS/L Equivalent Single extraction method IC Anions; Bromate C μg BrO 3 /L Accepted Disinfection byproducts, Run time: 38, use Omnion A mg Br /L Equivalent Accepted μl loop, Run time: A NA mg Br /L Equivalent Accepted High range method, 100 μl loop, Run time: A mg Br /L Equivalent Accepted Low range method, 200 μl loop, Run time: 11 IC Anions; Bromide A mg Br /L Equivalent Accepted Chloride to Nitrite N ratio 800:1, Run time: E mg Br /L Equivalent Accepted E mg Br /L Equivalent Accepted Low range E mg Br /L Equivalent Accepted High range C μg Br /L Accepted Disinfection byproducts, Run time: 38, use Omnion 3.0. IC Anions; Chlorate C μg ClO 3 /L Accepted Disinfection byproducts, Run time: 38, use Omnion A mg Cl /L 100 μl loop, Run time: 11 Equivalent Accepted A NA mg Cl /L High range g method, 100 μl loop, Run time: Equivalent Accepted A mg Cl /L Low range method, 200 μl loop, Run time: 11 Equivalent Accepted IC Anions; Chloride A NA mg Cl /L Chloride to Nitrite N ratio 800:1, Run time: 16 Equivalent Accepted E mg Cl /L Equivalent Accepted E mg Cl /L Equivalent Accepted Low range E mg Cl /L Equivalent Accepted High range A mg Cl /L Rapid IC for anions, 50 μl loop, Run time: 4 Equivalent Accepted A mg Cl /L High range method, 25 μl loop, Run time: 4 Equivalent Accepted IC Anions; Chlorite C μg ClO 2 /L Accepted Disinfection byproducts, Run time: 38, use Omnion A mg F /L Equivalent Accepted μl loop, Run time: A NA mg F /L Equivalent Accepted High range method, 100 μl loop, Run time: A mg F Low range method, 200 μl loop, Run time: 11 /L Equivalent Accepted IC Anions Fl oride Lachat Regulatory Quick Reference Guide Page 8 of 10 rev6 19-Oct-09

9 Parameter Method Number Range MDL Units IC Anions; Fluoride A mg F /L Equivalent Accepted IC Anions; Nitrate IC Anions; Nitrite IC Anions; E mg F /L Equivalent Accepted NPDWR Method ISO Notes E mg F /L Equivalent Accepted Low range. Chloride to Nitrite N ratio 800:1, Run time: E mg F /L Equivalent Accepted High range A mg NO 3 N/L Equivalent Accepted μl loop, Run time: A NA mg NO 3 N/L Equivalent Accepted High range method, 100 μl loop, Run time: A mg NO 3 N/L Equivalent Accepted Low range method, 200 μl loop, Run time: A mg NO 3 N/L Equivalent Accepted Chloride to Nitrite N ratio 800:1, Run time: E mg NO 3 N/L Equivalent Accepted E mg NO 3 N/L Equivalent Accepted Low range E mg NO 3 N/L Equivalent Accepted High range A mg NO 3 N/L Equivalent Accepted Rapid IC for anions, 50 μl loop, Run time: A mg NO 3 N/L Equivalent Accepted High range method, 25 μl loop, Run time: A mg NO 2 N/L Equivalent Accepted μl loop, Run time: A NA mg NO 2 N/L Equivalent Accepted High range method, 100 μl loop, Run time: A mg NO 2 N/L Equivalent Accepted Low range method, 200 μl loop, Run time: A mg NO 2 N/L Equivalent Accepted Chloride to Nitrite N ratio 800:1, Run time: E mg NO 2 N/L Equivalent Accepted E mg NO 2 N/L Equivalent Accepted Low range E mg NO 2 N/L Equivalent Accepted High range A mg HPO 2 4 P/L Equivalent Accepted μl loop, Run time: A NA mg HPO 2 4 P/L Equivalent Accepted High range method, 100 μl loop, Run time: A mg HPO 2 4 P/L Equivalent Accepted Low range method, 200 μl loop, Run time: A mg HPO 2 4 P/L Equivalent Accepted Chloride to Nitrite N ratio 800:1, Run time: 16 Lachat Regulatory Quick Reference Guide Page 9 of 10 rev6 19-Oct-09

10 Phosphate, ortho IC Anions; Sulfate NPDWR Method ISO Notes E mg HPO 2 4 P/L Equivalent Accepted E mg HPO 2 4 P/L Equivalent Accepted Low range E mg HPO 2 4 P/L Equivalent Accepted High range A mg HPO 2 4 P/L Equivalent Accepted Rapid IC for anions, 50 μl loop, Run time: A mg HPO 2 4 P/L Equivalent Accepted High range method, 25 μl loop, Run time: A mg SO 2 4 /L Equivalent Accepted μl loop, Run time: A NA mg SO 2 4 /L Equivalent Accepted High range method, 100 μl loop, Run time: A mg SO 2 4 /L Equivalent Accepted Low range method, 200 μl loop, Run time: A NA mg SO 4 2 /L Equivalent Accepted E mg SO 4 2 /L Equivalent Accepted Chloride to Nitrite N ratio 800:1, Run time: E mg SO 2 4 /L Equivalent Accepted Low range E mg SO 2 4 /L Equivalent Accepted High range A mg SO 2 4 /L Equivalent Accepted Rapid IC for anions, 50 μl loop, Run time: A mg SO 2 4 /L Equivalent Accepted High range method, 25 μl loop, Run time: 4 Lachat Regulatory Quick Reference Guide Page 10 of 10 rev6 19-Oct-09