Depth (m. thermo- Depth to nearest meter. A postscript T indicates depth was obtained thermometri- 



metrically) cally; Z indicates uncorrected "wire out" depth. Postscript Q indicates values was 



marl^ed doubtful by originator; P indicates value was considered doubtful by 

 NODC. Postscripts 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. 



2:aD Dyn. MX 10^ Multiply entry by lO--' 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. 



0-2 ml. /I. Dissolved oxygen in milliliters per liter entered to hundredths. 



PO4-P /ig-at/1. Inorganic phosphate in microgram-atoms per liter entered to hundredths. 



Total-P ^g-at/1. Total phosphorous in microgram-atoms per liter entered to hundredths. 



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



NO3-N |Ug-at/l. Nitrate-nitrogen in microgram-atoms per liter entered to tenths. 



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



pH Entered to hundredths. 



40 



