Each Senate vote used in the ratings is described separately and is identified by a number that corresponds to the numbers at the top of the columns of tabular information.

Key to Symbols

+ "Correct" vote, supporting the Chamber's position

- "Wrong" vote, contrary to the Chamber's position

? No recorded vote

1. 112-2-S-RC96 H.R. 2072 Question: On Passage of the Bill H.R. 2072 Result: Bill Passed Position: Y              
2. 112-2-S-RC202 S. 3414 Question: On the Cloture Motion (Upon Reconsideration Motion to Invoke Cloture on S.3414 ) Result: Cloture Motion Rejected Position: N              
3. 112-2-S-RC30 On the Amendment: To provide additional time for the Administrator of the Environmental Protection Agency to issue achievable standards for industrial, commercial, and institutional boilers, process heaters, and incinerators. Result: Amendment Failed Position: Y              
4. 112-2-S-RC34 On the Amendment: To approve the Keystone XL pipeline project and provide for environmental protection and government oversight Result: Amendment Rejected Position: Y              
5. 112-2-S-RC180 S. 3369 Question: On Cloture on the Motion to Proceed (Upon Reconsideration Motion to Invoke Cloture on the Motion to Proceed to Consider S.3369 ) Result: Cloture on the Motion to Proceed Rejected Position: N              
6. 112-2-S-RC63 S. 2204 Question: Motion to Invoke Cloture on S.2204 Result: Cloture Motion Rejected Position: N              
7. 112-2-S-RC223 H.R. 6156 Question: On Passage of the Bill (H. R. 6156 ) Result: Bill Passed Position: Y              
8. 112-2-S-RC172 H.R. 4348 Question: On the Conference Report Accompany H.R. 4348 Result: Conference Report Agreed to Position: Y