Units Table

----------------------------------------------------------------------------
Oxygen (standard unit: ml/l - Second header 54) 

CODE            DESCRIPTION
32	        mg/l = ppm
37	        mg-at/l
29	        umol/kg
7	        ug-at/l = mmol/m3 = umol/l = uM
58	        mg-at/kg
62	        mmol/l

----------------------------------------------------------------------------
Nutrients (standard unit: ug-at/l - Second header 55) 

CODE            DESCRIPTION
36	        ug/l      
29	        umol/kg     
39	        ng/l         
37	        mg-at/l      
58	        mg-at/kg     

----------------------------------------------------------------------------
ALKALINITY (unit: meq/l - Second header 58)	 

CODE            DESCRIPTION
34	        ueq/kg = umol/kg 
34	        umol/kg (redundant, use #1)   
51	        ueq/l = umol/l    
51	        umol/l (redundant, use #3)         
54	        meq/kg = mmol/kg        

----------------------------------------------------------------------------
Chlorophyll (unit: ug/l - Second header 56)

CODE            DESCRIPTION
33	        ug/kg
39	        ng/l
59	        mg/kg
66	        ng/kg

----------------------------------------------------------------------------
Biomass/taxonomic data (unit: Biomass/Taxa variable 20)	

CODE           DESCRIPTION
68	       per sample
69	       per m2
70	       per m3
71             per individual
72	       per ml