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 40 362 A 2 5 140.0 150.0 796.00 803.45 DATA CARD 1 COLORIMETRIC 14.2 35.5 22.75 26.77 20.95 LABNB 40 362 A 3 5 83.0 94.0 834.00 841.28 DATA CARD 1 COMBINATION 7.59 COLORIMETRIC 0.8 35.5 22.64 27.72 20.89 LABNB