| Assigned Site | Site Director | Research Head | Assigned Task Force |
| Site 379 | Henry Davis | Dr. Herman Gauhmer | None |
Special Containment Procedures:
SCP 5402 is closed off from the public by a gated perimeter. Any Loiterers are to be taken into Foundation custody and given Class-B Grade Amnestic Treatment and are to be released to the public shortly after. SCP 5402's entrance is to be locked by a Level 03-Locked Electronic Door. An elevator is set up to take Personnel down to 50 meters, in where a Level 04-Lcoked Door is stationed before entering the Anomalous Area. Personnel leaving SCP 5402 are to Enter the Amnestic Decontamination Chamber situated near the Entrance of SCP 5402 for Grade-B Amnestic Treatment to contain the spread of SCP 5402-1. All Personnel that begin to hear vocalizations of SCP 5402-1 are to Quarantine their office and initiate Procedure Auditus-5402 ( See Addendum SCP 5402-A). In the event of an Activation of Procedure Auditus-5402, Alarms will be Automatically to Indicate that all Personnel are to stay isolated in vacated room necessary. Once the Site-Wide Alarm has ceased. All Personnel are allowed to continue roaming Site-397.
Description:
SCP 5402 is a Underground Cave Situated in Quebec, Canada. The Entrance to SCP 5402 is situated near the Royale Mountain, Montreal, Canada. SCP 5402 begins to show Anomalous properties around 60 meters down, in which subjects will begin to initialize auditory response of SCP 5402-1. SCP 5402-1 is auditory entity that appears inside a subjects mind when entering SCP 5402. SCP 5402-1 has been described as purple, though victims claim that no color is seen, only heard.
ADDENDUM 5402-A
Discovery and Background
SCP 5402 was discovered by Arthur Marshall, an Amateur Cave Explorer in 1973, when he had descended more than 60 meters down into SCP 5402, the average range where instances of SCP 5402-1 occur.
Arthur Marshall had cancelled his climb down as he stated "The Voices Interrupted His Own Thoughts, He Couldn't Think While Being With The Voice."1 The following is Interview Log 5402-A, Transcribed For This Document.After Interview Log 5402-A






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