Depth Aldrin HCB Surface 3.08 3.74 Surface 3.58 4.61 Surface 3.81 4.00 Surface 4.31 4.67 Surface 4.35 4.87 Surface 4.40 5.12 Surface 3.67 4.52 Surface 5.17 5.29 Surface 5.17 5.74 Surface 4.35 5.48 Middepth 5.17 6.03 Middepth 6.17 6.55 Middepth 6.26 3.55 Middepth 4.26 4.59 Middepth 3.17 3.77 Middepth 3.76 4.81 Middepth 4.76 5.85 Middepth 4.90 5.74 Middepth 6.57 6.77 Middepth 5.17 5.64 Bottom 4.81 5.44 Bottom 5.71 6.88 Bottom 4.90 5.37 Bottom 5.35 5.44 Bottom 5.26 5.03 Bottom 6.26 6.48 Bottom 3.76 3.89 Bottom 8.07 5.85 Bottom 8.79 6.85 Bottom 7.30 7.16