T (°C): Tenperatureo obficrved froo reversing thenaoneters 

 xead to 0.01^ C. Surface tcHiperature* Txca bucket 

 saa5)les are rreported to 0.1° C. TBasseratures at 

 dapth roportod to 0.1® C ^»re read froo tbe HT trace. 



8 (°/oo): SsLlialty ag defined from chlorinity. Chloriiiity 



detftmiatd ts^r Knuds^a's method using dcuble titration 

 except tbat aimplueB from tbe Paregon vere checked 

 only periodically. 



O2 (ngat/L): Dissolved oxygen content e^^^ressed as milligraic- 

 atoos per liter to tvo deciaal places. These saaQ)les 

 ves^ fixed on board and shipped to Seattle for analysis 

 by tbe Vixikler aetbod. 



PO^ 'P (uget/L): DisBolved inorganic phosx^iate expressed in 



aicrograja-atoas per liter to the nearest 0.1 of a unit. 

 Deteznined cm board vlthin tvo hours of saiapliag by 

 Deaiges-Atklg.ff issthod using Bessler tubes. St-andard 

 cooparlson solutions of 0.3^ 0.6, 0.9« 1.2, 1.3f 1>8, 

 2.1, 2.'*, 2.1, 3.0, 3.3 end 3.6 ugat/L ware uscsd. 

 Values of BaQS>les not compared vlthin tvo hours vere 

 discarded. 



