| Ammonia in Estuarine by Gas Segmented CF/CA | Ammonia by Electrode (Calculated) |
| Ammonia Nitrogen - Colorimetric, Auto Phenate | Organic Nitrogen by Electrode (Calculated) |
| Ammonia Nitrogen - Colorimetric, Auto Phenate | Organic Nitrogen by Electrode (Calculated) |
| Ammonia Nitrogen - Colorimetric, Auto Phenate | Ammonia by Electrode (Calculated) |
| Ammonia Nitrogen - Distillation/Titration | Ammonia Nitrogen by Titration |
| Ammonia Nitrogen - Distillation/Titration | Ammonia Nitrogen by Selective Ion Probe |
| Ammonia Nitrogen - Ion Selective Electrode | Ammonia Nitrogen by Selective Ion Probe |
| Ammonia Nitrogen - Ion Selective Electrode | Ammonia Nitrogen by Selective Ion Probe |
| Total Kjeldahl Nitrogen - Automated Phenate | Ammonia Nitrogen by Selective Ion Probe |
| Total Kjeldahl Nitrogen - Automated Phenate | Ammonia Nitrogen by Selective Ion Probe |
| Total Kjeldahl Nitrogen - Block Digest, Phenate | Ammonia Nitrogen by Selective Ion Probe |
| Total Kjeldahl Nitrogen - Block Digest, Phenate | Ammonia Nitrogen by Selective Ion Probe |
| Total Kjeldahl Nitrogen - Block Digest, Phenate | Ammonia Nitrogen by Selective Ion Probe |
| Total Kjeldahl Nitrogen - Titrimetric | Organic Nitrogen by Electrode (Calculated) |
| Total Kjeldahl Nitrogen - Titrimetric | Organic Nitrogen by Electrode (Calculated) |
| Kjeldahl Nitrogen - Ion Selective Electrode | Ammonia Nitrogen by Selective Ion Probe |
| Kjeldahl Nitrogen - Ion Selective Electrode | Ammonia by Automated Phenate |
| Phosphorous - Colorimetric, Automated persulfate | Ammonia by Automated Phenate |
| Phosphorous - Colorimetric, Automated persulfate | Ammonia by Automated Phenate Method |
| Phosphorous - Colorimetric, Automated persulfate | Ammonia by Automated Phenate Method |
| Phosphorous - Colorimetric, single reagent | Ammonia by Flow Injection Analysis |
| Phosphorous - Colorimetric, single reagent | Ammonia by Flow Injection Analysis |
| Phosphorous - Colorimetric, two reagent. | Ammonia by Flow Injection Analysis |
| Phosphorous - Colorimetric, two reagent. | Ammonia by Flow Injection Analysis |
| Phosphorous - Colorimetric, automated block. | Organic Nitrogen by Macro Kjeldahl Method |
| Phosphorous - Colorimetric, automated block. | Organic Nitrogen by Macro Kjeldahl Method |
| Total Kjeldahl Nitrogen in Water and Biosolids by Automated Colorimetry with Preliminary Distillation/Digestion | Organic Nitrogen by Macro Kjeldahl Method |
| Total Kjeldahl Nitrogen in Water and Biosolids by Automated Colorimetry with Preliminary Semi-automatic Digestion | Organic Nitrogen by Macro Kjeldahl Method |
| Ammonia-N in Water and Biosolids by Ion-Selective Electrode Potentiometry with Preliminary Distillation | Nitrogen (Organic) by Semi-micro Kjeldahl Method |
| Ammonia-N in Water and Biosolids by Automated Colorimetry with Preliminary Distillation | Nitrogen (Organic) by Semi-micro Kjeldahl Method |
| Ammonia Nitrogen - Colorimetric, Auto Phenate | Organic Nitrogen by Semi-Micro-Kjeldahl Method |
| Ammonia Nitrogen - Distillation/Titration | Nitrogen (Organic) by Semi-Micro-Kjeldahl Method |
| Total Kjeldahl Nitrogen - Automated Phenate | Phosphorus by Sample Preparation |
| Total Kjeldahl Nitrogen - Titrimetric | Phosphorus by Persulfate Digestion Method |
| Phosphorous - Colorimetric, Automated persulfate | Phosphorus by Persulfate Digestion Method |
| Ammonia | Phosphorus by Sample Preparation |
| Ammonia Nitrogen Distillation | Phosphorus by Ascorbic Acid Method |
| Ammonia Nitrogen by Ion Selective Electrode | Phosphorus by Ascorbic Acid Method |
| Ammonia Nitrogen by Ion Selective Electrode with Known Addition | Phosphorus by Ascorbic Acid Method |
| Ammonia Nitrogen by Automated Phenate Method | Phosphorus by Ascorbic Acid Method |
| Ammonia by Phenate Method | Phosphorus by Automated Ascorbic Acid Reduction |
| Ammonia Nitrogen by Nesslerization | Phosphorus by Automated Ascorbic Acid Reduction |
| Ammonia Nitrogen by Titration | Phosphorus by Automated Ascorbic Acid Reduction Method |
| Nitrogen (Organic) by Semi-micro Kjeldahl Method | Phosphorus by Automated Ascorbic Acid Reduction Method |
| Organic Nitrogen by Macro Kjeldahl Method | Organic Nitrogen by Automated Phenate (Calculated) |
| Phosphorus by Persulfate Digestion Method | Organic Nitrogen by Automated Phenate (Calculated) |
| Phosphorus by Ascorbic Acid Method | Organic Nitrogen by Nesslerization or Titration (Calculated) |
| Phosphorus by Automated Ascorbic Acid Method | Organic Nitrogen by Electrode (Calculated) |
| Ammonia Nitrogen Distillation | Phosphorus by Stannous Chloride Method |
| Ammonia Nitrogen Distillation | Ammonia Nitrogen by Selective Ion Probe |
| Ammonia Nitrogen Distillation | Ammonia Nitrogen by Selective Ion Probe |
| Ammonia Nitrogen Distillation | Ammonia Nirogen by Flow Injection Analysis |
| Ammonia Nitrogen by Titration | Ammonia Nitrogen by Titration |
| Ammonia Nitrogen by Titration | Ammonia Nitrogen by Titration |
| Ammonia by Titrimetric Method | Ammonia Nitrogen Distillation |
| Organic Nitrogen by Electrode (Calculated) | Ammonia Nitrogen Distillation |
| Organic Nitrogen by Electrode (Calculated) | Ammonia Nitrogen by Titration |