Grass Lake Sample no. vial no. sample depth (m) paired sample box no. GI-2- Total Carbon (%) Carbonate Carbon (%) Organic Carbon (%) 10958 10958 1.665 22 0.27 0.00 0.27 10987 10987 2.335 37 0.44 0.01 0.43 10996 10996 2.565 41 0.07 0.00 0.07 11023 11023 4.725 63 0.06 0.01 0.05 11051 11051 6.55 91 2.44 0.01 2.44 11075 11075 7.9225 115 0.06 0.03 0.03 11092 11092 8.8 132 1.36 0.00 1.36 11103 11103 9.69 143 1.30 0.01 1.29 11107 11107 9.8925 147 5.42 0.00 5.42 11112 11112 10.1425 152 1.20 0.01 1.19 11121 11121 10.5925 161 2.44 0.01 2.44 11334 11334 11.29 174 2.22 0.01 2.21 11380 11380 13.8675 220 0.78 0.01 0.77 11390 11390 14.4475 230 4.34 0.01 4.33 11398 11398 14.875 238 1.62 0.01 1.62 11425 11425 16.44 265 1.06 0.04 1.02 11450 11450 17.8 290 0.94 0.12 0.82 11471 11471 18.99 311 0.08 0.00 0.08 11476 11476 19.24 316 0.07 0.02 0.05 11499 11499 20.67 339 0.43 0.00 0.43 11515 11515 21.955 355 2.35 0.00 2.35 11525 11525 22.4775 365 2.06 0.00 2.06 11534 11534 22.99 374 0.97 0.00 0.97 11543 11543 23.4375 383 0.61 0.00 0.61 11567 11567 24.8025 407 0.06 0.00 0.06