FIELD UNIT PRESSURE decibar TEMP (Temperature) 2 to 32 C THETA (Potential Temperature) 2 to 32 C SIGMA_THET (Sigma Theta) 0/00 (density) BOT_SALIN (Bottle Salinity) 32 to 38 psu OXY_WINK (Bottle Oxygen) 0 to 10 ml/l NO2 (Nitrite) uM/L NO3 (Nitrate) 0 to 50 uM/L SIO4 (Silicate) uM/L TCO2_AOML (R. Wanninkhof's Total CO2) 1800 to 2300 uM/Kg FCO2_W20 (Fugacity of CO2 @ 20 C) u atm TALK (Total Alkalinity) 1900 to 2500 uEq/Kg TCO2_FM (F. Millero's Total CO2) 1800 to 2300 uM/Kg PH 7.8 to 8.2 TALK_CALC 1900 to 2500 uEq/Kg