Submitted file =  1998266dat.txt
Cruise: Surv-1998-266
Dates: Sept 23, 1998
Ship: R/V Laurentian
PI: Tom Johengen   Ph#: 734-741-2203   Email:  tom.johengen@noaa.gov

Data type: Particulate and dissolved nutrients, chlorophyll, 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 (TP) : molybdate/ascorbic acid method on AutoAnalyzer II, after 
   persulfate digestion
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
Chloride (Cl):  ferric thicyanate 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
Chlorophyll (CHL) :  Fluorometric method, acid corrected, after extraction  of particles 
   retained on a GFF filter with Dimethyl Foramimide.

Summary of Analytical Precision

TP coeff of variance on duplicates = 5.3%  (n=6)
PP coeff of variance on duplicates = 12.3%   (n=6)
CHL coeff of variance on duplicates = 1.3%   (n=6)
POC coeff of variance on duplicates = 5.7%   (n=6)
PON coeff of variance on duplicates = 1.2%   (n=6)