"Table 1. Location, classification, and geochemical data for crude oil, seep oil, and tarball samples." "[nc, not calculated due to lack of peaks; nm = not measured. n-alkanes: 0- not present; 1-present.]" Lab No. Sample Date Lat. N Long. W Type Type Code Model Group Description d13C Alkanes Pr/Ph Tm/Ts Triplet 23Tri/C30 23Tri/C29 20/23Tri 22/21Tri 24Tri/23Tri 26/25Tri Tri28/Tri29 C30/C29 29D/29H C31 S/(S+R) abC31S/C30 35S/34S BI OI GI C29 S/(S+R) C28/C29 a27R/Hop nor26&27/Hop a27R/nor27 PAH-RI SC2D/SC2P SC3D/SC3P 08-119 1/31/08 36.95027 -122.05728 tar T 33 Natural Bridges -22.8 0 nc 4.45 2.65 0.96 1.31 0.11 0.82 0.29 0.69 0.74 1.36 0.08 0.64 0.52 2.16 0.76 0.03 0.12 nc 1.18 0.36 0.15 3.84 127 2.49 2.74 08-120 1/31/08 36.95035 -122.05745 tar T 33 Natural Bridges -22.8 0 nc 5.27 3.25 1.31 1.52 0.08 1.06 0.26 0.75 0.67 1.16 0.09 0.64 0.57 1.89 1.13 0.03 0.13 0.40 1.00 0.42 0.17 4.35 179 2.67 4.26 08-121 1/31/08 36.95036 -122.05733 tar T 33 Natural Bridges -22.8 0 nc 5.45 3.24 1.32 1.51 0.09 1.09 0.26 0.78 0.75 1.15 0.09 0.63 0.57 2.01 1.12 0.03 0.14 0.40 1.08 0.44 0.17 4.36 143 2.65 4.08 08-122 1/31/08 37.59787 -122.50318 tar T 32 Pacifica -22.8 0 nc 5.82 3.38 1.32 1.56 0.08 1.16 0.24 0.76 0.75 1.19 0.08 0.63 0.55 2.01 1.31 0.02 0.14 0.43 1.07 0.14 0.18 1.15 123 2.74 3.36 08-123 1/31/08 37.59790 -122.50317 tar T 32 Pacifica -22.9 0 nc 4.98 2.62 0.83 1.21 0.11 0.90 0.29 0.70 0.88 1.46 0.08 0.63 0.51 2.24 0.84 0.03 0.14 0.38 1.15 0.22 0.14 2.66 206 3.05 3.55 08-124 1/31/08 37.55225 -122.51369 tar T 33 Montara -22.9 0 nc 5.59 3.24 1.39 1.64 0.08 1.09 0.26 0.75 0.70 1.18 0.08 0.62 0.54 1.95 1.15 0.02 0.13 0.39 1.11 0.42 0.20 3.28 138 2.70 3.28 08-125 1/31/08 37.55175 -122.51377 tar T 33 Montara -22.8 0 nc 5.85 3.28 1.43 1.64 0.09 1.12 0.26 0.73 0.73 1.15 0.08 0.64 0.54 1.94 1.21 0.03 0.13 0.41 1.12 0.45 0.23 3.05 117 2.86 3.32 08-126 1/31/08 37.52371 -122.51762 tar T 33 Moss Beach -22.9 0 nc 5.70 3.19 1.47 1.72 0.08 1.11 0.25 0.74 0.66 1.17 0.09 0.63 0.52 1.89 1.22 0.02 0.14 0.41 1.16 0.41 0.19 3.79 107 2.87 3.42 08-127 1/31/08 37.46975 -122.44707 tar T 212 Half Moon Bay -22.7 0 nc 3.13 4.85 1.26 1.80 0.20 0.41 0.53 0.78 0.78 1.43 0.17 0.63 0.44 1.23 0.74 0.04 0.09 0.42 1.30 0.41 0.23 2.99 51 1.57 1.58 08-128 1/31/08 37.46978 -122.44728 tar T 22 Half Moon Bay -22.6 0 nc 4.41 3.74 1.69 1.93 0.14 0.65 0.37 0.75 0.73 1.14 0.13 0.63 0.51 1.68 0.83 0.04 0.11 0.40 1.27 0.40 0.26 2.29 51 2.25 2.33 08-129 1/31/08 37.32377 -122.40377 tar T 33 San Gregorio -22.8 0 nc 5.71 3.10 1.59 1.76 0.09 1.11 0.26 0.73 0.75 1.10 0.08 0.63 0.54 1.83 1.23 0.03 0.14 0.40 1.21 0.43 0.23 2.82 42 2.79 3.35 08-130 1/31/08 37.32488 -122.40337 tar T 22 San Gregorio -22.7 0 nc 4.65 3.71 1.62 1.90 0.14 0.66 0.37 0.74 0.68 1.18 0.13 0.63 0.51 1.70 0.80 0.04 0.11 0.41 1.27 0.38 0.20 3.26 62 2.09 2.40 08-131 1/31/08 37.27509 -122.40984 tar T 22 Pescadero Beach -22.9 0 nc 3.75 3.73 1.34 1.72 0.15 0.57 0.42 0.74 0.76 1.28 0.12 0.62 0.46 1.80 1.58 0.04 0.13 0.40 1.21 0.36 0.18 3.61 62 1.95 2.15 08-132 1/31/08 37.27544 -122.40971 tar T 22 Pescadero Beach -22.9 0 nc 4.02 2.93 1.41 1.79 0.14 0.67 0.36 0.70 0.82 1.27 0.12 0.61 0.42 1.98 1.97 0.03 0.15 0.40 1.20 0.37 0.23 2.49 62 2.19 2.47 08-133 1/31/08 37.19039 -122.39755 tar T 33 Pigeon Point -22.9 0 nc 5.61 3.26 1.39 1.58 0.09 1.13 0.26 0.76 0.69 1.14 0.08 0.63 0.54 1.97 1.20 0.02 0.12 0.40 1.18 0.41 0.22 2.73 69 2.83 3.28 08-134 1/31/08 37.18952 -122.39767 tar T 33 Pigeon Point -22.8 0 nc 5.74 3.09 1.52 1.75 0.08 1.08 0.25 0.74 0.69 1.15 0.08 0.61 0.51 1.80 1.18 0.02 0.12 0.41 1.19 0.40 0.18 3.48 54 2.90 3.31 08-143 2/1/08 37.16101 -122.36074 tar T 31 Unnamed beach ~2 miles south of Pigeon Point -23.0 0 nc 5.94 2.61 2.57 2.55 0.09 1.05 0.24 0.65 0.87 0.99 0.13 0.63 0.39 1.36 1.53 0.02 0.10 0.81 1.38 0.40 0.26 2.17 212 3.18 3.82 08-144 2/1/08 37.16135 -122.36102 tar T 33 Unnamed beach ~2 miles south of Pigeon Point -22.8 0 nc 5.93 2.84 1.99 2.07 0.09 1.02 0.24 0.70 0.81 1.04 0.10 0.61 0.46 1.57 1.43 0.03 0.12 0.82 1.31 0.39 0.23 2.60 51 3.34 3.85 08-145 2/1/08 37.16190 -122.36124 tar T 33 Unnamed beach ~2 miles south of Pigeon Point -22.9 0 nc 6.34 2.77 1.86 2.01 0.09 1.10 0.25 0.71 0.77 1.08 0.10 0.62 0.46 1.57 1.36 0.02 0.11 0.83 1.28 0.38 0.20 2.86 51 3.06 3.34 08-146 2/1/08 37.03831 -122.22866 tar T 33 Scott Creek Beach -22.9 0 nc 6.07 2.80 2.21 2.31 0.09 1.05 0.24 0.70 0.81 1.05 0.11 0.62 0.43 1.46 1.45 0.03 0.11 0.81 1.34 0.38 0.23 2.49 52 3.28 4.18 08-147 2/1/08 37.03813 -122.22853 tar T 33 Scott Creek Beach -22.8 0 nc 5.24 2.91 1.88 2.17 0.11 0.91 0.28 0.73 0.77 1.15 0.09 0.62 0.50 1.67 1.15 0.03 0.11 0.81 0.95 0.15 0.12 2.20 45 3.40 4.17 08-148 2/1/08 37.02477 -122.21751 tar T 0 Davenport Landing -22.8 0 nc 4.18 2.17 4.59 4.48 0.16 0.75 0.28 0.63 1.09 0.98 0.14 0.62 0.37 nc 1.22 0.08 0.12 0.61 1.42 0.20 0.32 1.03 nc nc nc 08-149 2/1/08 36.96645 -122.12291 tar T 22 4-Mile Beach -22.2 0 nc 4.82 2.90 1.68 2.18 0.12 0.84 0.30 0.66 0.79 1.30 0.12 0.59 0.39 1.35 1.41 0.02 0.10 0.81 1.50 0.40 0.20 2.81 84 2.98 3.34 08-150 2/1/08 36.96643 -122.12277 tar T 33 4-Mile Beach -22.8 0 nc 6.27 2.82 2.00 2.09 0.10 1.00 0.25 0.73 0.80 1.05 0.10 0.65 0.45 1.58 1.40 0.02 0.11 0.83 1.35 0.39 0.22 2.65 56 2.82 3.29 08-151 2/1/08 36.96645 -122.12276 tar T 32 4-Mile Beach -22.9 0 nc 5.89 3.02 1.81 1.96 0.09 1.09 0.25 0.73 0.71 1.09 0.10 0.58 0.47 1.60 1.35 0.02 0.12 0.84 1.30 0.39 0.23 2.54 nc nc nc 08-152 12/9/06 34.46897 -120.27189 tar T 0 Alegria tarball -23.2 0 nc 4.34 2.52 0.99 1.21 0.18 0.50 0.37 0.71 1.27 1.23 0.14 0.60 0.35 1.36 2.69 0.03 0.10 0.76 1.33 0.09 0.25 0.50 37 2.31 3.16 08-153 12/5/06 34.46893 -120.27142 tar T 13 Tarball in sand crab shell Alegria Beach -22.8 0 nc 2.28 4.79 nc 1.06 0.30 0.21 0.78 0.86 1.01 nc 0.16 0.58 nc 0.58 nc nc nc nc nc 0.36 1.74 0.54 12 0.17 0.44 08-154 9/8/07 34.16698 -119.23205 tar T 22 Hollywood Beach tarball -23.3 0 nc 3.91 2.65 0.89 1.18 0.19 0.47 0.42 0.72 1.08 1.33 0.13 0.60 0.35 1.36 2.00 0.03 0.10 0.75 1.27 0.08 0.21 0.60 37 1.75 2.06 08-155 11/12/07 34.19000 -119.46000 oil slick S 13 Orphan Slick near Platform Grace nm 0 nc 3.51 4.56 0.36 0.69 0.28 0.28 0.57 0.88 0.88 1.95 0.15 0.60 0.33 0.88 0.62 0.06 0.05 0.46 1.33 1.27 0.30 6.78 183 0.91 1.13 08-156 4/1/07 34.43080 -119.10439 oil seep S 13 "Hamp lease seep, Ojai Silverthread" nm 0 nc 1.60 8.32 0.66 1.27 0.26 0.20 0.90 0.89 0.90 1.92 0.19 0.60 0.24 0.54 0.28 0.07 0.07 0.50 0.37 0.15 0.22 4.84 6 0.26 0.43 08-168 1/11/08 34.33331 -119.56136 produced oil O 13 Platform Henry well 3-B -23.2 1 1.03 1.70 5.81 0.41 0.81 0.33 0.24 0.72 0.94 1.06 1.95 0.22 0.61 0.33 0.75 0.05 0.10 0.07 0.41 1.25 0.81 0.29 5.36 35 0.66 0.66 08-169 1/11/08 34.33331 -119.56136 produced oil O 13 Platform Henry well 11-B -23.3 1 1.03 1.64 6.29 0.39 0.77 0.36 0.23 0.79 0.92 0.87 1.97 0.24 0.58 0.34 0.76 0.05 0.10 0.07 0.41 1.20 0.84 0.28 6.12 30 0.67 0.69 08-170 1/11/08 34.33331 -119.56136 produced oil O 11 Platform Henry well 16-B -23.2 1 1.05 1.74 5.59 0.39 0.77 0.33 0.24 0.72 0.93 0.89 1.99 0.23 0.57 0.32 0.80 0.40 0.10 0.07 0.42 1.24 0.92 0.29 7.07 29 0.69 0.68 08-171 1/11/08 34.33331 -119.56136 produced oil O 13 Platform Henry well 23-B -23.2 1 0.98 1.93 5.78 0.43 0.80 0.33 0.26 0.74 0.78 0.89 1.87 0.22 0.60 0.39 0.84 0.52 0.10 0.08 0.43 1.26 0.82 0.30 5.33 22 0.70 0.80 08-172 1/11/08 34.33295 -119.63171 produced oil O 12 Platform C well C-16 -23.0 1 1.04 1.96 5.23 0.25 0.57 0.28 0.21 0.70 1.08 0.92 2.25 0.22 0.59 0.26 0.74 0.25 0.08 0.06 0.43 1.22 1.18 0.41 5.62 49 0.60 0.56 08-173 1/11/08 34.33295 -119.63171 produced oil O 12 Platform C well C-27 -23.1 1 1.08 1.97 4.75 0.23 0.52 0.27 0.20 0.65 1.09 0.99 2.23 0.22 0.59 0.25 0.68 0.22 0.08 0.06 0.42 1.18 1.18 0.36 7.66 46 0.62 0.53 08-174 1/11/08 34.33295 -119.63171 produced oil O 11 Platform C well C-55 -23.2 1 1.04 1.97 5.84 0.33 0.72 0.32 0.22 0.79 0.99 0.89 2.19 0.25 0.59 0.29 0.70 0.31 0.09 0.07 0.44 1.20 1.13 0.37 6.89 25 0.74 0.70 08-175 1/11/08 34.33295 -119.63171 produced oil O 13 Platform C well C-59 -23.3 1 1.07 1.98 5.96 0.19 0.42 0.57 0.22 1.41 0.96 0.92 2.21 0.26 0.59 0.29 0.70 0.31 0.09 0.07 0.45 1.17 1.02 0.31 7.45 16 0.73 0.64 08-176 1/11/08 34.33234 -119.62245 produced oil O 11 Platform B well B-9 -23.1 1 1.04 1.99 5.60 0.32 0.70 0.32 0.23 0.79 0.99 0.91 2.18 0.24 0.58 0.28 0.72 0.32 0.09 0.07 0.45 1.23 1.14 0.35 7.48 32 0.72 0.66 08-177 1/11/08 34.33234 -119.62245 produced oil O 12 Platform B well B-26 -23.0 1 1.13 2.02 5.27 0.31 0.68 0.28 0.20 0.69 1.08 0.93 2.18 0.23 0.58 0.24 0.67 0.23 0.08 0.05 0.39 1.23 1.08 0.33 7.59 33 0.50 0.45 08-178 1/11/08 34.33234 -119.62245 produced oil O 13 Platform B well B-34 -23.2 1 1.05 2.04 5.73 0.34 0.72 0.33 0.23 0.82 0.99 0.90 2.13 0.26 0.61 0.29 0.71 0.32 0.09 0.08 0.45 1.20 1.11 0.34 7.65 19 0.70 0.74 08-179 1/11/08 34.33234 -119.62245 produced oil O 12 Platform B well B-36 -22.9 1 1.12 2.05 5.29 0.32 0.71 0.29 0.21 0.66 1.06 0.89 2.25 0.24 0.64 0.23 0.65 0.23 0.08 0.05 0.40 1.25 1.07 0.34 7.98 50 0.56 0.56 08-180 1/11/08 34.33234 -119.62245 produced oil O 12 Platform B well B-60 -23.1 1 1.27 2.07 4.79 0.25 0.57 0.25 0.17 0.64 1.22 1.15 2.30 0.24 0.62 0.21 0.49 0.09 0.08 0.04 0.36 1.21 0.91 0.28 7.42 31 0.22 0.18 08-181 1/25/08 34.12505 -119.40102 produced oil O 212 Platform Gail well E-10 -23.5 1 0.83 2.07 4.51 0.81 1.30 0.25 0.36 0.63 0.78 0.82 1.61 0.17 0.62 0.48 1.13 1.43 0.06 0.08 0.59 1.38 0.40 0.18 4.87 22 1.62 1.57 08-182 1/25/08 34.12505 -119.40102 produced oil O 13 Platform Gail well E-14 -23.2 1 0.87 2.09 4.12 1.32 1.99 0.31 0.30 0.72 0.70 0.90 1.51 0.27 0.61 0.38 0.86 0.51 0.09 0.08 0.47 1.47 0.34 0.22 2.56 8 1.57 1.42 08-183 1/25/08 34.12505 -119.40102 produced oil O 212 Platform Gail well E-17 -23.2 1 0.86 2.11 4.31 0.79 1.18 0.24 0.36 0.58 0.76 0.81 1.49 0.17 0.62 0.49 0.96 0.88 0.06 0.07 0.56 1.40 0.41 0.20 4.65 30 1.81 1.73 08-184 1/25/08 34.12505 -119.40102 produced oil O 212 Platform Gail well E-22 short -23.4 1 0.89 2.32 4.94 0.79 1.22 0.25 0.31 0.61 0.73 0.87 1.56 0.15 0.62 0.40 0.54 1.59 0.06 0.06 0.48 1.53 0.82 0.27 9.53 18 1.46 1.47 08-185 1/25/08 34.33502 -119.55303 produced oil O 13 Platform Houchin well B-12 -23.3 1 0.99 2.34 5.46 0.46 0.90 0.32 0.26 0.65 0.91 0.83 1.95 0.18 0.62 0.34 0.83 0.54 0.09 0.07 0.43 1.35 0.73 0.22 9.29 44 0.78 0.79 08-186 1/25/08 34.33502 -119.55303 produced oil O 13 Platform Houchin well B-15 -23.3 1 1.06 2.37 5.70 0.49 0.98 0.32 0.25 0.73 0.88 0.83 2.00 0.25 0.60 0.34 0.78 0.49 0.09 0.06 0.40 1.11 0.76 0.28 6.21 243 0.70 0.64 08-187 1/25/08 34.33502 -119.55303 produced oil O 13 Platform Houchin well B-19 -23.3 1 1.00 2.39 5.37 0.47 0.88 0.32 0.25 0.64 0.93 1.45 1.87 0.20 0.61 0.35 0.81 0.55 0.09 0.05 0.33 1.30 0.76 0.27 5.91 63 0.72 0.68 08-188 1/25/08 34.33502 -119.55303 produced oil O 13 Platform Houchin well B-34 -23.3 1 0.99 2.45 5.33 0.46 0.89 0.33 0.24 0.68 1.08 0.81 1.92 0.19 0.61 0.33 0.82 0.54 0.09 0.05 0.36 1.34 0.73 0.26 5.76 44 0.75 0.71 08-189 1/25/08 34.33502 -119.55303 produced oil O 13 Platform Houchin well B 35 -23.0 1 1.02 2.47 5.18 0.52 0.95 0.33 0.24 0.65 0.81 0.82 1.83 0.17 0.13 0.31 0.75 0.54 0.09 0.06 0.41 1.45 0.74 0.30 4.79 50 0.67 0.75 08-190 9/3/04 34.35327 -119.42920 tarball T 22 Rincon Beach -23.3 0 nc 2.49 3.19 0.65 0.91 0.16 0.54 0.40 0.79 0.89 1.40 0.09 0.59 0.44 1.63 1.98 0.03 0.12 0.28 1.18 0.35 0.28 2.48 124 2.12 2.72 08-191 1/18/05 34.35156 -120.28015 produced oil O 22 Platform Heritage well HE-7 -23.3 1 0.50 2.55 3.08 0.80 1.06 0.17 0.56 0.41 0.75 0.75 1.32 0.11 0.59 0.50 1.35 1.20 0.04 0.12 0.25 1.21 0.44 0.23 3.52 158 2.30 2.53 08-216 4/2/08 34.18229 -119.41944 produced oil O 13 Platform Gilda well S-28 -23.9 1 0.83 2.61 4.26 0.40 0.74 0.33 0.32 0.47 0.86 0.77 1.87 0.15 0.60 0.04 1.10 0.82 0.05 0.05 0.35 1.25 1.36 0.36 8.69 nc 1.04 1.72 08-217 4/2/08 34.18229 -119.41944 produced oil O 13 Platform Gilda well S-62 -23.7 1 0.82 2.61 4.77 0.34 0.69 0.33 0.29 0.52 0.89 0.82 2.00 0.18 0.61 0.37 1.02 0.63 0.05 0.05 0.17 1.21 1.42 0.37 8.79 nc 0.92 1.49 08-218 4/2/08 34.18229 -119.41944 produced oil O 13 Platform Gilda well S-87 -23.5 1 0.88 2.64 5.17 0.31 0.61 0.30 0.27 0.57 0.97 0.84 1.97 0.20 0.61 0.36 0.97 0.55 0.06 0.05 0.18 1.20 1.61 0.41 9.28 nc 1.37 1.26 08-219 4/2/08 34.18229 -119.41944 produced oil O 22 Platform Gilda well S-91 -22.9 1 1.04 2.64 5.71 0.46 0.94 0.30 0.24 0.60 0.83 0.88 2.05 0.23 0.61 0.28 0.83 0.75 0.06 0.05 0.18 1.45 1.81 0.52 8.76 nc 1.32 1.40 08-220 4/2/08 34.11750 -119.27718 produced oil O 22 Platform Gina well H-5 -23.4 1 0.58 2.69 3.73 0.80 0.96 0.19 0.48 0.44 0.70 0.75 1.20 0.13 0.61 0.59 1.50 0.61 0.05 0.07 0.15 1.36 0.65 0.19 7.42 39 0.26 2.54 08-221 4/2/08 34.11750 -119.27718 produced oil O 22 Platform Gina well H-12 -23.1 1 0.58 2.70 3.71 0.78 1.00 0.18 0.49 0.45 0.69 0.74 1.27 0.13 0.59 0.58 1.22 0.66 0.04 0.07 0.33 1.39 0.64 0.21 5.95 52 2.50 2.78 08-222 4/2/08 34.11750 -119.27718 produced oil O 22 Platform Gina well H-14 -23.4 1 0.57 2.71 3.59 0.88 1.03 0.19 0.46 0.44 0.70 0.76 1.17 0.12 0.61 0.58 1.13 0.63 0.05 0.06 0.32 1.38 0.66 0.26 4.40 nc 2.52 2.60 08-223 4/2/08 34.33138 -119.60414 produced oil O 13 Platform Hillhouse well 1A -23.1 1 1.08 2.72 5.46 0.37 0.85 0.32 0.22 0.72 0.92 0.81 2.32 0.30 0.61 0.27 0.71 0.28 0.08 0.06 0.31 1.14 1.18 0.34 7.81 13 1.13 0.61 08-224 4/2/08 34.33138 -119.60414 produced oil O 13 Platform Hillhouse well 10A -23.1 1 1.15 2.76 5.36 0.25 0.58 0.30 0.19 0.66 1.07 0.92 2.34 0.28 0.62 0.24 0.67 0.18 0.07 0.05 0.21 1.14 1.17 0.32 7.91 22 1.07 0.41 08-225 4/2/08 34.33138 -119.60414 produced oil O 13 Platform Hillhouse well 18A -23.2 1 1.10 2.78 5.70 0.34 0.76 0.31 0.21 0.69 0.97 0.88 2.26 0.28 0.61 0.27 0.69 0.27 0.08 0.06 0.23 1.03 1.12 0.32 8.55 13 1.12 0.62 08-226 4/2/08 34.33138 -119.60414 produced oil O 13 Platform Hillhouse well 48A -22.9 1 1.11 2.87 5.41 0.28 0.64 0.32 0.19 0.70 1.02 0.84 2.27 0.27 0.61 0.25 0.64 0.23 0.07 0.05 0.20 1.21 1.09 0.31 8.21 19 1.32 0.52 08-227 4/2/08 34.33765 -119.54240 produced oil O 13 Platform Hogan well A-1 -23.2 1 0.99 2.95 5.80 0.43 0.84 0.31 0.24 0.64 0.89 0.92 1.95 0.24 0.60 0.36 0.85 0.50 0.09 0.06 0.23 1.22 0.82 0.25 6.89 31 2.37 0.70 08-228 4/2/08 34.33765 -119.54240 produced oil O 13 Platform Hogan well A-7 -23.2 1 1.01 3.15 6.33 0.40 0.80 0.36 0.24 0.65 0.95 0.79 2.01 0.24 0.48 0.35 0.76 0.46 0.09 0.07 0.28 1.21 0.78 0.24 6.54 26 2.51 0.72 08-229 4/2/08 34.33765 -119.54240 produced oil O 13 Platform Hogan well A-18 -23.5 1 1.02 3.21 5.87 0.42 0.82 0.36 0.23 0.66 0.87 0.87 1.97 0.25 0.62 0.36 0.81 0.49 0.10 0.07 0.29 1.23 0.83 0.24 7.09 26 2.52 0.73 08-230 4/2/08 34.33765 -119.54240 produced oil O 13 Platform Hogan well A-53 -23.0 1 1.22 3.38 5.34 0.27 0.63 0.31 0.18 0.65 1.04 0.89 2.35 0.29 0.74 0.23 0.65 0.16 0.09 0.05 0.29 1.12 1.30 0.34 9.05 18 0.72 0.45 08-231 3/17/08 34.39177 -119.84740 seep tar S 31 COP tarmound 1 west sample 1 -23.0 0 1.08 3.54 4.24 6.27 1.14 0.25 0.30 0.53 0.83 1.02 0.18 0.10 0.62 0.41 1.34 2.40 0.41 0.18 0.21 0.11 1.42 1.86 3.20 6 0.48 0.86 08-232 3/17/08 34.39255 -119.84740 seep tar S 0 COP tarmound 1 west sample 2 -22.8 0 0.97 4.06 4.04 0.76 1.11 0.24 0.31 0.52 0.84 1.11 1.46 0.10 0.61 0.37 1.22 0.67 0.05 0.06 0.15 0.20 0.15 0.22 2.18 7 0.47 0.99 08-233 3/17/08 34.39098 -119.84135 seep tar S 31 COP tarmound east sample 3 -22.8 0 0.96 4.47 3.90 7.83 1.20 0.24 0.31 0.54 0.81 0.87 0.15 0.10 0.62 0.61 1.63 0.16 0.24 0.36 0.20 1.12 1.66 3.26 0.97 nc 0.45 0.91 08-234 3/17/08 34.39450 -119.86650 seep tar S 0 COP tarmound west sample 4 -22.9 0 1.12 5.02 3.72 0.93 1.29 0.22 0.38 0.48 0.81 0.99 1.39 0.07 0.62 0.40 1.46 1.00 0.04 0.07 0.25 0.21 0.18 0.23 2.70 8 0.94 1.36 08-235 3/18/08 34.39370 -119.87850 oil on sorbant S 211 Trilogy sepp composite grab -23.1 0 nc 5.37 4.69 0.85 1.13 0.21 0.39 0.54 0.84 0.83 1.34 0.14 0.62 0.48 1.61 0.88 0.07 0.08 0.17 1.04 0.32 0.28 2.07 28 0.84 1.12 08-236 3/18/08 34.39370 -119.87850 oil on sorbant S 211 Trilogy seep oil absorbent -23.6 0 nc 5.49 4.77 0.79 1.13 0.22 0.39 0.56 0.87 0.76 1.43 0.15 0.38 0.50 1.57 0.82 0.07 0.07 0.34 1.09 0.32 0.22 2.49 8 0.83 1.44 08-237 3/18/08 34.40168 -119.88330 oil on sorbant S 211 Pline Seep -23.4 0 nc 5.49 4.80 0.85 1.22 0.22 0.37 0.54 0.80 0.76 1.43 0.12 0.38 0.50 1.68 0.88 0.07 0.07 0.37 1.12 0.35 0.21 3.06 10 1.10 1.50 09-102 6/1/09 32.68098 -117.18237 tarball T 0 "Coronado Beach, San Diego, tarball" -23.45 0 nc 3.50 0.41 0.36 0.29 0.15 0.26 0.31 0.62 1.02 0.82 0.10 0.39 0.57 0.50 0.01 0.03 0.09 0.37 0.56 nc nc nc 66 1.96 2.38 09-103 6/16/09 34.40197 -119.88327 oily sediment S 13 Pline seep -sediment covered tarry sand where some gas streams were bubbing -21.08 0 nc 0.59 3.76 nc 3.70 0.20 0.44 0.49 0.74 nc nc nc nc nc nc nc nc nc 0.48 1.05 nc nc 3.70 45 1.17 2.83 09-104 6/16/09 34.39350 -119.87930 oily sediment S 211 "Trilogy seep Mainly bubbles, collected very small chunk of sandy oil residue from area near a larger gas vent" -22.28 0 0.96 2.70 4.78 0.69 1.08 0.22 0.37 0.55 0.83 0.82 1.56 0.20 0.63 0.51 1.31 0.77 0.07 0.08 0.37 1.08 0.38 0.18 3.48 9 1.13 1.17 09-105 6/17/09 34.44158 -120.26088 seep tar S 31 Gaviota 1 soiltary tar mound ~20m diameter intermittant gas release -22.50 0 nc 2.47 4.12 4.92 0.92 0.23 0.31 0.55 0.72 0.98 0.19 0.12 0.63 2.26 0.87 0.37 0.23 0.48 0.30 2.41 1.49 0.45 3.28 50 0.68 1.03 09-106 6/17/09 34.44064 -120.27002 seep tar S 0 Gaviota 2 soiltary tar mound ~5m diameter -23.03 0 0.96 2.45 3.98 1.58 0.87 0.24 0.31 0.54 0.76 0.89 0.55 0.11 0.63 0.96 0.90 0.72 0.11 0.14 0.26 1.72 0.48 0.14 3.53 15 0.60 1.00 09-107 6/17/09 34.44023 -120.27643 seep tar S 0 Gaviota 5 3 coalesing tar mounds ~5m diameter some gas release at bottom -22.58 0 0.96 2.47 3.87 1.08 0.89 0.23 0.31 0.51 0.78 0.94 0.82 0.11 0.61 0.65 0.98 0.63 0.08 0.10 0.29 3.08 0.35 0.09 3.81 21 0.47 0.86 09-108 6/17/09 34.44021 -120.28021 seep tar S 0 "Gaviota 4 large ~20m dia tar mound with some colonization, sampled center, some local gas seepage, tube worms?" -22.50 0 1.05 2.54 3.89 1.06 0.88 0.22 0.32 0.53 0.78 0.96 0.84 0.10 0.61 0.65 1.02 0.62 0.08 0.10 0.38 3.40 0.36 0.09 3.84 46 0.77 0.94 09-109 6/17/09 34.41002 -119.98423 seep tar S 0 "Naples 1 small tar mound, sample from center, two grabs. Redish flock around tar mound - bacteria?" -23.08 0 nc 2.69 3.89 0.96 0.81 0.23 0.32 0.51 0.78 0.97 0.84 0.10 0.62 0.69 1.12 0.64 0.07 0.10 0.48 3.26 0.32 0.07 4.31 28 0.61 0.73 09-110 6/18/09 34.43289 -120.45236 seep tar S 22 Point Conception 4 ropey-textured tar mound -23.49 0 nc 4.23 3.05 0.45 0.68 0.21 0.48 0.44 0.73 0.81 1.51 0.11 0.61 0.49 1.99 1.70 0.03 0.10 0.28 0.91 0.07 0.15 0.49 82 2.04 2.42 09-111 6/18/09 34.45000 -120.48967 seep tar S 22 Point Conception 5 3 tar whips -23.23 0 nc 4.01 3.02 0.57 0.86 0.22 0.46 0.42 0.77 0.91 1.50 0.10 0.59 0.49 1.91 1.42 0.04 0.12 0.31 0.72 0.14 0.03 5.07 60 1.28 1.52 09-112 6/18/09 34.43174 -120.42530 seep tar S 211 "Cojo 1 tarmounds with spires colonized by sea life, egg casings, rock fish" -23.12 0 nc 2.57 3.84 0.58 0.91 0.25 0.33 0.48 0.80 0.96 1.56 0.11 0.60 0.43 1.63 0.89 0.05 0.08 0.39 1.29 0.26 0.10 2.54 31 0.71 1.19 09-113 6/19/09 34.37510 -119.85320 oily sediment S 13 "La Goleta seeps 1 Oily sediment near very active gas seepage, Oil dropletes seen rising with gas." -22.40 0 nc 1.34 4.79 1.54 1.86 0.36 0.25 0.79 0.90 0.70 1.20 0.30 0.64 0.44 0.79 0.62 0.38 0.14 0.61 2.02 0.18 0.13 2.36 6 0.70 0.64 09-114 6/19/09 34.39192 -119.84578 oily sediment S 0 Patch Seeps 1 grab sample of oily sediment from single gas vent. -22.21 0 nc 1.10 6.29 1.13 2.09 0.42 0.21 0.83 0.88 0.84 1.85 0.48 0.64 0.35 0.61 0.30 0.25 0.10 0.72 3.67 0.30 0.19 3.08 2 0.21 0.21 09-115 6/19/09 34.37510 -119.85320 seep tar S 0 "COPTM 1 one large tar mound, not colonized, one single stream gas vent, ropey texture" -22.73 0 nc 2.43 4.29 0.95 1.00 0.29 0.30 0.54 0.84 0.95 1.05 0.11 0.63 0.40 1.42 0.26 0.08 0.10 0.34 2.69 0.11 0.07 1.51 7 0.43 0.71 09-116 3/8/09 34.46890 -120.27289 seep tar S 31 Alegria Beach Asphalt seeping from cliff at barn plots collected by MMS agents -22.61 0 nc 4.24 3.68 0.64 0.66 0.14 0.58 0.34 0.80 0.91 1.03 0.09 0.60 0.78 1.97 2.59 0.05 0.16 0.21 1.09 0.69 0.43 3.86 41 25.00 14.00 10-02 3/21/08 33.59579 -118.14087 produced oil O 13 Platform Edith well B-9 -23.23 1 nc 2.33 5.74 0.41 0.79 0.79 0.18 0.76 0.79 0.99 1.97 0.27 0.58 0.33 1.11 0.42 0.09 0.12 0.22 1.33 1.91 0.40 6.95 nc 0.92 0.68 10-03 3/21/08 33.58237 -118.12822 produced oil O 13 Platform Ellen well A-20 -22.96 1 nc 2.67 4.68 0.34 0.68 0.66 0.17 0.80 0.86 0.86 2.00 0.21 0.58 0.34 1.06 0.50 0.07 0.10 0.29 1.25 1.00 0.28 5.41 nc 0.96 0.94 10-04 3/21/08 33.58237 -118.12822 produced oil O 13 Platform Ellen well A-45 -23.2 1 nc 2.58 4.53 0.28 0.56 0.64 0.16 0.80 1.02 0.93 2.06 0.20 0.58 0.30 1.11 0.96 0.06 0.11 0.24 1.31 1.40 0.34 6.38 nc 0.92 0.86 10-05 2/25/10 33.94248 -118.44363 sediment with oil T 12 Dockweiler State Beach sediment between towers 45 - 47 -24.34 0 nc 0.96 3.04 0.36 0.59 0.22 0.24 0.71 1.01 0.93 1.65 0.40 0.61 0.35 0.77 0.13 0.13 0.07 0.42 0.67 0.12 0.27 0.97 2 0.15 0.29 10-06 3/21/08 33.59579 -118.14087 produced oil O 13 Platform Edith well B-6 -23.36 1 1.00 2.91 5.70 0.36 0.74 0.66 0.18 0.81 0.72 0.84 2.03 0.25 0.59 0.33 1.06 0.45 0.07 0.08 0.22 1.37 1.65 0.37 6.35 nc 1.00 0.92 10-159 6/23/10 34.39973 -119.82477 seep tar S 0 "Goleta Pier 1, Low asphalt mounds, found 1 active vent" -22.66 0 nc 2.06 5.38 9.07 0.82 0.29 0.25 0.64 0.88 0.95 1.46 0.16 0.56 2.21 1.78 1.83 0.09 0.12 0.52 1.16 0.51 2.31 2.21 25 0.31 0.59 10-160 6/22/10 34.43268 -120.43802 seep tar S 22 "Cojo 2 sample 1, Multiple tar vents on 2m high asphalt accumulation sample 1 and 2." -23.04 0 nc 4.11 3.34 0.45 0.68 0.17 0.49 0.42 0.75 0.92 1.49 0.10 0.60 0.48 2.15 1.63 0.03 0.11 0.34 0.98 0.18 0.02 12.01 52 1.77 2.45 10-161 6/22/10 34.432676 -120.43734 seep tar S 22 "Cojo 2 sample 2, Multiple tar vents on 2m high asphalt accumulation sample 1 and 2." -23.09 0 nc 4.04 3.61 0.46 0.69 0.18 0.53 0.43 0.74 0.85 1.50 0.11 0.60 0.50 2.13 1.69 0.03 0.11 0.23 0.74 0.01 0.20 0.29 nc 2.19 2.57 10-162 6/22/10 34.432683 -120.41910 seep tar S 0 "Cojo 3, multiple tar vents on 2m high asphalt accumulation." -23.14 0 nc 1.93 3.52 0.81 0.80 0.18 0.43 0.40 0.76 0.90 0.98 0.14 0.62 0.45 1.73 1.18 0.09 0.13 0.52 2.75 0.08 0.20 1.35 46 0.46 0.89 10-163 6/23/10 34.369797 -119.784117 seep tar S 0 "Santa Barbara Point 2, 3m high old asphalt mounds covered with gorgonia and other invertebrates, many fish. " -22.89 0 nc 2.88 4.49 0.41 0.68 0.28 0.29 0.55 0.71 1.04 1.67 0.16 0.60 0.42 1.06 1.41 0.04 0.08 0.50 0.60 0.10 0.16 1.78 126 1.04 1.32 10-231 11/30/10 33.58237 -118.12822 produced oil O 13 Platform Ellen well A-30 14.7ĦAPI Perf Interval 3691-4481' -22.77 1 1.00 2.71 6.24 0.31 0.60 0.34 0.18 0.84 0.68 0.83 1.92 0.22 0.60 0.35 1.07 0.52 0.07 0.10 0.20 1.40 1.46 0.54 6.09 129 1.18 1.07 10-232 11/30/10 33.58237 -118.12822 produced oil O 13 Platform Ellen well A-58R 18.9ĦAPI Perf Interval 3422-4225' -23.12 1 1.08 2.72 6.42 0.36 0.70 0.35 0.17 0.82 0.64 0.83 1.97 0.26 0.60 0.33 1.09 0.42 0.08 0.11 0.18 1.41 1.83 0.67 5.74 113 1.23 1.01 10-233 11/30/10 33.56378 -118.11649 produced oil O 13 Platform Eureka well C-11 15.0ĦAPI Perf Interval 2868-4408' -22.87 1 1.00 2.84 5.94 0.32 0.61 0.33 0.18 0.76 0.66 0.83 1.91 0.23 0.61 0.35 1.11 0.57 0.07 0.11 0.19 1.33 1.44 0.57 5.85 148 1.48 1.14 10-234 11/30/10 33.56378 -118.11649 produced oil O 13 Platform Eureka well C-18 11.4ĦAPI Perf Interval 3614-4693' -22.85 1 0.89 2.67 5.38 0.24 0.45 0.35 0.16 0.78 0.70 0.85 1.89 0.19 0.60 0.33 1.11 0.81 0.06 0.11 0.19 1.28 0.52 0.49 2.43 97 1.32 1.24 10-235 11/30/10 33.56378 -118.11649 produced oil O 13 Platform Eureka well C-42 18.9ĦAPI Perf Interval 2941-3950' -23.97 1 1.06 2.74 6.59 0.33 0.64 0.31 0.17 0.84 0.66 0.82 1.97 0.26 0.61 0.35 1.12 0.42 0.09 0.12 0.18 1.40 1.78 0.67 5.47 97 1.13 1.08