References given in the video are as follows.

UNECE Website: https://unece.org/transport/dangerous-goods

Draft amendments to ADR from 2023 consolidated list: https://unece.org/transport/documents/2022/02/reports/agreement-concerning-international-carriage-dangerous-goods

Pi marked pressure receptacles in 49 CFR §171.23 (a)(3): https://www.ecfr.gov/current/title-49/subtitle-B/chapter-I/subchapter-C/part-171

BLEVE video on YouTube: https://youtu.be/NuPVEsQaGB0

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