The Duty Shift Log is a document.
It is found in the transportation section of the Jupiter plant.
The document contains the following text: "...18:30 - airtight sealing of all P-1 underpass sections complete. 19:00 - airtight sealing of railroad lock doors complete. Welding had to be used to seal the doors. Operation of the lock door mechanism required the activation of the backup generator, because the power to the underpass had already been cut. 20:00 - the chemical workshop has initiated flooding of the underpass with gas. 22:00 - work to seal the underpass has been completed, with all documents sent to Department 1."
- The document weighs 0.05 kg.