leg site hole core section top of sampled interval (cm) bottom of sampled interval(cm) depth to core (m) depth to sample (m) card type card number pH electrode type pH alkalinity measurement type alkalinity salinity data field #1 data field #2 data field #3 data field #4 data field #5 data field #6 reference 73 519 A 4 6 133.0 150.0 96.00 104.92 DATA CARD 1 COMBINATION 7.35 COLORIMETRIC 2.9 37.4 11.01 52.25 20.23 LABNB 73 519 A 4 6 133.0 150.0 96.00 104.92 COMMENT CARD 1 THIS AMPLE ROTA RYDRI LLED LABNB