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 67 494 1 5 144.0 150.0 0.00 7.47 DATA CARD 1 COMBINATION 7.66 COLORIMETRIC 85.2 37.7 3.19 55.64 19.07 LABNB 67 494 3 5 144.0 150.0 18.50 25.97 DATA CARD 1 COMBINATION 7.57 COLORIMETRIC 82.3 37.4 2.89 61.86 19.04 LABNB 67 494 4 3 144.0 150.0 28.00 32.47 DATA CARD 1 COMBINATION 7.67 COLORIMETRIC 73.1 37.1 2.02 57.08 19.29 LABNB 67 494 SSW 0.00 0.00 DATA CARD 1 COMBINATION 7.84 COLORIMETRIC 2.2 34.1 10.13 52.37 18.94 LABNB