Depth (m.) Depth to nearest meter. A postscript T indicates depth was obtained therometrically ; 



Z indicates uncorrected "wire out" depth. Postscript Q indicates value was marked 

 doubtful by originator; P indicates value was considered doubtful by NODC. Post- 

 scripts P and Q retain this meaning throughout the following entries. 



T °C. Temperature to hundredths of a degree Celsius. 



S %o Salinity in parts-per-thousand. 



SIGMA-T Entered to hundredths. 



Specific-volume Multiply entry by 10-' to obtain specific-volume anomaly in cubic centimeters per 



gram. 



XAT) Dyn. M X 10' Multiply entry by 10-' to obtain anomaly of dynamic depth in dynamic meters refer- 

 enced to the sea surface. 



Sound Velocity Sound velocity according to Wilson's formula entered to tenths of a meter per second. 



O2 ml/1. Dissolved oxygen in milliliters per liter entered to hundredths. 



PO-i-P /ig-at/l. Inorganic phosphate in microgram-atoms per liter entered to hundredths. 



Total-P /ig-at/l. Total phosphorous in microgram-atoms per liter entered to hundredths. 



NO2-N /tg-at/1. Nitrite-nitrogen in microgram-atoms per liter entered to hundredths. 



NO:i-N |Ug-at/l. Nitrate-nitrogen in microgram-atoms per liter entered to tenths. 



Si04-Si /xg-at/1. Silicate-silicon in microgram-atoms per liter entered to whole units. 



pH Entered to hundredths. 



33 



