| Cave Name |
State |
Passage |
Date |
CO2 |
O2 |
CO* |
H2S* |
HC |
| Claystone Cave (Anvil Point) | Colorado | Past Big Rm (~150ft) | 2011-07-22 | 0.05 | 21.1 | 0 | 0 | 0% |
| Claystone Cave (Anvil Point) | Colorado | Y Jct | 2011-07-22 | 0.07 | 20.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Air Force Room | 2010-08-09 | 0.42 | 20.5 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Air Force Room | 2010-09-13 | 0.46 | 20.3 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Air Force Room | 2010-12-06 | 0.09 | 20.5 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Air Force Room | 2011-01-10 | 0.08 | 20.0 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Air Force Room | 2011-02-21 | 0.07 | 20.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Air Force Room | 2011-03-28 | 0.10 | 20.8 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Air Force Room | 2011-05-02 | 0.09 | 20.6 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Air Force Room | 2011-06-27 | 0.19 | 20.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Air Force Room | 2011-08-15 | 0.34 | 20.3 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Big Room | 2010-08-09 | 0.52 | 20.4 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Big Room | 2010-09-13 | 0.61 | 20.2 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Big Room | 2010-12-06 | 0.11 | 20.5 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Big Room | 2011-01-10 | 0.08 | 20.1 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Big Room | 2011-02-21 | 0.07 | 20.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Big Room | 2011-03-28 | 0.09 | 20.8 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Big Room | 2011-05-02 | 0.12 | 20.6 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Big Room | 2011-06-27 | 0.23 | 20.7 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Big Room | 2011-08-15 | 0.45 | 20.2 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Entrance Room | 2010-08-09 | 0.10 | 20.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Entrance Room | 2010-09-13 | 0.42 | 20.4 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Entrance Room | 2010-12-06 | 0.05 | 20.6 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Entrance Room | 2011-01-10 | 0.05 | 20.1 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Entrance Room | 2011-02-21 | 0.04 | 20.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Entrance Room | 2011-03-28 | 0.06 | 20.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Entrance Room | 2011-05-02 | 0.04 | 20.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Entrance Room | 2011-06-27 | 0.11 | 20.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Entrance Room | 2011-08-15 | 0.07 | 20.7 | 0 | 0 | 0% |
| Buckner Cave | Indiana | LV Cushing | 2010-06-14 | 0.44 | 20.5 | 0 | 0 | 0% |
| Buckner Cave | Indiana | LV Cushing Rm | 2010-06-14 | 0.44 | 20.5 | 0 | 0 | 0% |
| Buckner Cave | Indiana | LV Cushing Rm | 2010-08-09 | 0.81 | 20.1 | 0 | 0 | 0% |
| Buckner Cave | Indiana | LV Cushing Rm | 2010-12-06 | 0.07 | 20.6 | 0 | 0 | 0% |
| Buckner Cave | Indiana | LV Cushing Rm | 2011-01-10 | 0.10 | 20.0 | 0 | 0 | 0% |
| Buckner Cave | Indiana | LV Cushing Rm | 2011-02-21 | 0.06 | 20.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | LV Cushing Rm | 2011-03-28 | 0.04 | 20.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | LV Cushing Rm | 2011-05-02 | 0.11 | 20.7 | 0 | 0 | 0% |
| Buckner Cave | Indiana | LV Cushing Rm | 2011-06-27 | 0.26 | 20.5 | 0 | 0 | 0% |
| Buckner Cave | Indiana | LV Cushing Rm | 2011-08-15 | 0.50 | 20.1 | 0 | 0 | 0% |
| Buckner Cave | Indiana | LV Cushing Room | 2010-09-13 | 0.98 | 19.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Rat Tube | 2010-09-13 | 0.75 | 20.1 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Rat Tube | 2010-12-06 | 0.08 | 20.5 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Rat Tube | 2011-01-10 | 0.06 | 20.0 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Rat Tube | 2011-02-21 | 0.09 | 20.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Rat Tube | 2011-03-28 | 0.11 | 20.8 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Rat Tube | 2011-05-02 | 0.10 | 20.5 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Rat Tube | 2011-06-27 | 0.19 | 20.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Rat Tube | 2011-08-15 | 0.42 | 20.2 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Rat Tube/Monument Passage Junction | 2010-08-09 | 0.68 | 20.3 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Under Volcano Passage | 2010-08-09 | 0.69 | 20.2 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Under Volcano Passage | 2010-12-06 | 0.07 | 20.6 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Under Volcano Passage | 2011-01-10 | 0.07 | 20.0 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Under Volcano Passage | 2011-02-21 | 0.15 | 20.9 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Under Volcano Passage | 2011-03-28 | 0.07 | 20.8 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Under Volcano Passage | 2011-05-02 | 0.19 | 20.4 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Under Volcano Passage | 2011-06-27 | 0.38 | 20.3 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Under Volcano Passage | 2011-08-15 | 0.44 | 20.2 | 0 | 0 | 0% |
| Buckner Cave | Indiana | Under Volcano Psg | 2010-09-13 | 0.71 | 20.2 | 0 | 0 | 0% |
| Carcass Crypt Pit | Indiana | Bottom of Pit | 2010-06-26 | 0.26 | 20.9 | 0 | 0 | 0% |
| CIN005 | Indiana | End of Borehole | 2010-08-30 | 0.32 | 20.5 | 0 | 0 | 0% |
| CIN006 | Indiana | Beg. of Peggy | 2011-08-14 | 0.21 | 19.3 | 0 | 0 | 0% |
| CIN006 | Indiana | Beyond the domes | 2010-09-12 | 1.54 | 19.5 | 0 | 0 | 0% |
| CIN006 | Indiana | Connection Room | 2010-09-12 | 1.54 | 19.6 | 0 | 0 | 0% |
| CIN006 | Indiana | Dome and Stream Passage Junction | 2010-09-12 | 1.55 | 19.6 | 0 | 0 | 0% |
| CIN006 | Indiana | Domes | 2010-09-12 | 1.47 | 19.6 | 0 | 0 | 0% |
| CIN006 | Indiana | End of A Survey (A108) | 2011-08-14 | 1.52 | 18.7 | 0 | 0 | 0% |
| CIN006 | Indiana | Ent. Gate | 2011-08-14 | 1.28 | 19.1 | 0 | 0 | 0% |
| CIN006 | Indiana | Ent. Side of Flowstone Choke | 2011-08-14 | 1.21 | 19.2 | 0 | 0 | 0% |
| Kerns Pit | Indiana | Bottom of Pit | 2011-03-12 | 0.06 | 20.9 | 0 | 0 | 0% |
| Kern\'s Pit | Indiana | Bottom of Pit | 2011-03-12 | 0.06 | 20.9 | 0 | 0 | 0% |
| MacIntosh Pit | Indiana | Bottom of Pit | 2010-06-26 | 0.29 | 20.8 | 0 | 0 | 0% |
| Suicide Cave | Indiana | @ Register | 2011-08-13 | 0.98 | 19.5 | 0 | 0 | 0% |
| Suicide Cave | Indiana | First Formation Area | 2011-08-13 | 0.97 | 19.5 | 0 | 0 | 0% |
| Suicide Cave | Indiana | Formations @ End of Cave | 2011-08-13 | 0.97 | 19.5 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Backbreaker | 2010-08-21 | 0.33 | 20.7 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | End of Backbreaker near formations | 2010-11-18 | 0.17 | 20.9 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | End of Backbreaker near formations | 2011-03-17 | 0.14 | 20.9 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | End of Backbreaker near formations | 2011-06-30 | 0.17 | 20.9 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | End of Backbreaker near formations | 2011-07-26 | 0.31 | 20.9 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Merry-Go-Round | 2010-08-21 | 0.19 | 20.8 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Merry-Go-Round | 2011-03-17 | 0.16 | 20.9 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Merry-Go-Round | 2011-06-30 | 0.14 | 20.9 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Merry-Go-Round | 2011-07-26 | 0.15 | 20.9 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Merry-go-round Junction | 2010-11-18 | 0.08 | 21.0 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Mountain Room | 2010-08-21 | 0.24 | 20.7 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Mountain Room | 2010-11-18 | 0.07 | 20.9 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Mountain Room | 2011-03-17 | 0.18 | 20.9 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Mountain Room | 2011-06-30 | 0.15 | 20.9 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Mountain Room | 2011-07-26 | 0.19 | 20.9 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Upstream @ 1st stream crossing | 2010-11-18 | 0.08 | 21.0 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Upstream @ 1st Stream Crossing | 2011-03-17 | 0.20 | 20.9 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Upstream @ 1st Stream Crossing | 2011-06-30 | 0.29 | 20.8 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Upstream @ 1st stream crossing | 2011-07-26 | 0.36 | 20.8 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Upstream at 1st stream crossing | 2010-08-21 | 0.45 | 20.5 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Y at River Psg | 2010-11-18 | 0.07 | 21.0 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Y Junction | 0201-07-26 | 0.34 | 20.9 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Y Junction | 2010-08-21 | 0.42 | 20.5 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Y Junction | 2011-03-17 | 0.18 | 20.9 | 0 | 0 | 0% |
| Sullivan Cave | Indiana | Y Junction | 2011-06-30 | 0.28 | 20.9 | 0 | 0 | 0% |
| Coach Cave | Kentucky | Ent. Rm Commercial Side (pit) | 2011-07-03 | 0.10 | 21.0 | 0 | 0 | 0% |
| Coach Cave | Kentucky | Ent. Rm Commercial Side (R) | 2011-07-03 | 0.11 | 20.9 | 0 | 0 | 0% |
| Coach Cave | Kentucky | Ent. Rm Spring Ave Side | 2011-07-03 | 0.13 | 21.0 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | Beg. of Celestial B.H. | 2011-07-02 | 0.12 | 20.9 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | Beg. of True Grit Crawl | 2011-07-02 | 0.20 | 20.9 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | E183 | 2011-07-02 | 0.25 | 20.9 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | El Jefe Mud Slope | 2011-07-02 | 0.27 | 20.9 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | Energizer Bunny E213 | 2011-07-02 | 0.28 | 20.9 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | Hershey Rm breakdown | 2011-07-02 | 0.26 | 20.9 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | Last \'Leap\' Near E180 | 2011-07-02 | 0.12 | 20.9 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | Mirza\'s Maze | 2011-07-02 | 0.13 | 20.9 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | Mt. Olympus bottom | 2011-07-02 | 0.26 | 20.9 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | Mt. Olympus top | 2011-07-02 | 0.27 | 20.9 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | Painful Patella (in cave) | 2011-07-02 | 0.12 | 20.9 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | PYP | 2010-07-18 | 0.14 | 20.9 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | PYP | 2011-03-26 | 0.05 | 20.9 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | PYP | 2011-07-02 | 0.13 | 20.9 | 0 | 0 | 0% |
| Jackpot Cave | Kentucky | Truck Stop | 2011-07-02 | 0.27 | 20.9 | 0 | 0 | 0% |
| James Cave | Kentucky | Purple Area | 2011-07-03 | 0.10 | 20.9 | 0 | 0 | 0% |
| James Cave | Kentucky | Purple Jct | 2011-07-03 | 0.10 | 20.9 | 0 | 0 | 0% |
| James Cave | Kentucky | Spare Formation Rm | 2011-07-03 | 0.12 | 20.9 | 0 | 0 | 0% |
| James Cave | Kentucky | Top of Bat Section | 2011-07-03 | 0.09 | 21.0 | 0 | 0 | 0% |
| Mammoth Cave | Kentucky | Emily's Puzzle (YA1) | 2010-10-10 | 0.13 | 20.2 | 0 | 0 | 0% |
| Mammoth Cave | Kentucky | Snowball Dining Room | 2010-10-10 | 0.13 | 20.3 | 0 | 0 | 0% |
| Knox Cave | New York | Mud Room | 2010-08-01 | 0.87 | 20.2 | 0 | 0 | 0% |
| Knox Cave | New York | Mud Room | 2010-08-01 | 0.87 | 20.2 | 0 | 0 | 0% |
| Jewel Cave | South Dakota | Near the Stirrup | 2010-11-08 | 0.13 | 20.6 | 4 | 0 | 1% |
| Jewel Cave | South Dakota | Near the Stirrup | 2010-12-20 | 0.13 | 20.5 | 0 | 0 | 0% |
| Jewel Cave | South Dakota | Near the Stirrup | 2011-03-05 | 0.09 | 20.9 | 0 | 0 | 0% |
| Wind Cave | South Dakota | Upper Rome | 2010-11-04 | 0.09 | 20.9 | 0 | 0 | 0% |
| Wind Cave | South Dakota | Upper Rome | 2010-12-15 | 0.09 | 20.9 | 0 | 0 | 0% |
| Wind Cave | South Dakota | Upper Rome | 2011-03-04 | 0.06 | 20.6 | 0 | 0 | 0% |
| Mill Pond Cave | Vermont | end of cave | 2010-08-02 | 0.07 | 20.9 | 0 | 0 | 0% |
| Mill Pond Cave | Vermont | entrance | 2010-08-02 | 0.07 | 20.9 | 0 | 0 | 0% |
| Weybridge Cave | Vermont | Mud Crack Room | 2010-08-06 | 0.81 | 20.1 | 0 | 0 | 0% |
| Weybridge Cave | Vermont | Top of 40' drop | 2010-08-06 | 0.58 | 20.1 | 0 | 0 | 0% |
