Submitted Data file = 98094dat.wb1 (renamed to nutrients-lagr-1998-094.txt) Cruise: LAGR-1998-094 Ship: R/V Laurentian Cruise Dates: April 4 - 11, 1998 PI: Tom Johengen Ph#: 734-741-2203 Email: tom.johengen@noaa.gov Data type: Particulate and dissolved nutrients, and suspended solids, on discrete water samples Total suspended material (TSM): gravimetric, GF-F filters Total Phosphorus (TP) : molybdate/ascorbic acid method on AutoAnalyzer II, after persulfate digestion Total Dissolved Phosphorus (TDP) : molybdate/ascorbic acid method on AutoAnalyzer II, after persulfate digestion of 0.2 uM filtered samples Particulate Phosphorus (PP) : molybdate/ascorbic acid method on AutoAnalyzer II, after combustion, boiling HCL extraction of particles retained on a GFF filter Bioavailable Phosphorus (AVP) : molybdate/ascorbic acid method on AutoAnalyzer II, after NaOH digestion of particles retained on 0.2 uM nucleopore filter Particulate Silica (PSiO2) : molybdate/ascorbic acid method on AutoAnalyzer II, after NaOH digestion of particles retained on 0.2 uM nucleopore filter Soluble Reactive Phosphorus (SRP) : molybdate/ascorbic acid method on AutoAnalyzer II, of 0.2 uM filtered samples Nitrate + Nitrite (NO3): cadium reduction method on AutoAnalyzer II, of 0.2 uM filtered samples Ammonium (NH4): phenol method on AutoAnalyzer II, of 0.2 uM filtered samples Soluble Reactive Silica (SiO2): molybdate/ascorbic acid method on AutoAnalyzer II of 0.2 uM filtered samples Particulate Organic Carbon (POC): Perkin Elmer CHN elemental analyzer Particulate Organic Nitrogen (PON): Perkin Elmer CHN elemental analyzer TP coeff of variance on field reps = 1.5% (n=3) TDP coeff of variance on field reps = 10.0% (n=3) PP coeff of variance on field reps = 9.3% (n=3) AVP coeff of variance on field reps = 0% (n=2) PSiO2 coeff of variance on field reps = 1.0% (n=2) POC coeff of variance on duplicates = 13.4% (n=8 pairs) PON coeff of variance on duplicates = 12.8% (n=8 pairs)