Tomorrow, October 23rd marks the anniversary of the Phillips 66 Petroleum Chemical Plant explosion that claimed the lives of 23 people. Click here to watch NASP’s Today In History to learn how a lack of proper ventilation systems, lockout tagout procedures, and fail-safe valves contributed to the tragedy. Don’t forget to like and subscribe to NASP’s YouTube channel to stay up-to-date with weekly news alerts, HS&E tips and tricks, and more!