TNLP: The Newsletter Podcast by THMG

Runaway Polymerization, Lithium-Ion Apartment Fire, and a Radioactive Package Scare

This week on The Newsletter Podcast, we cover the runaway polymerization event involving Methyl Methacrylate (MMA) in Garden Grove, California. Following a refrigeration system failure, a bulk storage tank began overheating, triggering emergency declarations, large-scale evacuations, and concerns over a potential catastrophic tank rupture. We examine what MMA is, why polymerization reactions become dangerous, and the tactical options available to emergency responders. We also head to Honolulu, Hawaii, where a lithium-ion battery-powered e-bike fire displaced residents from an apartment building and required a second-alarm response that included hazmat resources. The incident serves as another reminder of the growing challenges battery-powered devices present to the fire service. Finally, we wrap up in Cranston, Rhode Island, where a suspicious package marked "Radioactive UN2908" prompted a hazmat response after being discovered at an apartment building. What responders found inside may surprise you.

Garden Grove MMA Leak, New Mexico Fentanyl Exposure, and Mobile Port Chemical Spill

This week on The Newsletter Podcast, we break down three major hazardous materials incidents making headlines across the country. First, we head to Garden Grove, California, where a massive methyl methacrylate leak forced evacuations and challenged responders with a rare large-scale flammable toxic chemical release. We examine what MMA is, why it presents such a dangerous combination of fire and health hazards, and the operational concerns responders faced during the incident. Then we move to New Mexico, where a suspected fentanyl exposure incident inside a residence left three people dead and more than twenty others exposed, including first responders. The story raises difficult questions about opioid response operations, scene safety, exposure risks, and the realities of responding to unknown environments involving narcotics and multiple hazardous substances. Finally, we wrap up in Mobile, Alabama, where crews responded to a hazardous materials leak aboard a ship at APM Terminal involving ethylene glycol monomethyl ether. Responders worked alongside terminal personnel and the Coast Guard to isolate and contain the spill before it impacted nearby waterways. From toxic industrial chemicals to narcotics incidents and maritime hazmat responses, this episode covers the incidents, hazards, and operational lessons shaping the hazmat world this week.

Sulfuric Acid Burns, Tyson Methane Leak & The Ammonia Disaster That Changed Houston Hazmat Forever

This week on TNLP: The Newsletter Podcast, Timmy breaks down three major hazmat incidents from across the country. A 1-year-old suffers severe sulfuric acid burns in Texas [https://www.cbsnews.com/texas/news/tarrant-county-hazmat-incident-toddler-airlifted-firefighter-injured/], a suspected methane transmission line leak forces the evacuation of a Tyson Foods facility in Pennsylvania [https://www.abc27.com/news/top-stories/tyson-foods-in-lancaster-county-evacuated-friday-after-hazmat-incident/], and retired Houston firefighters revisit the catastrophic 1976 anhydrous ammonia tanker crash [https://www.click2houston.com/news/local/2026/05/11/50-years-later-houston-firefighters-still-haunted-by-deadly-ammonia-disaster-that-transformed-hazmat-response/] that helped shape modern hazmat response in America.

Silent Killers, Oxidizers, and a Deadly Reaction: 3 Hazmat Incidents You Need to Understand

This week, Timmy breaks down three real-world hazmat incidents that highlight how quickly things can turn from routine to deadly when chemical behavior is misunderstood. * 1,000 lb tank leaking argon gas prompts hazmat response at Palm City warehouse [https://cbs12.com/news/local/1000-lb-tank-leaking-argon-gas-prompts-hazmat-response-at-palm-city-warehouse-chemical-leak-industrial-accident-argon-tank-half-ton-tank-gas-release-emergency-evacuation-southwest-martin-highway-air-monitoring-hazardous-materials-team] * Hazmat incident in Hatfield as truck leaks hydrogen peroxide onto Route 309 [https://northpennnow.com/news/2026/apr/24/crash-on-route-309-in-hatfield-triggers-hydrogen-peroxide-spill/] * 2 dead, several require treatment after ‘violent reaction of chemicals’ in West Virginia. [https://fox8.com/news/nexstar-media-wire/multiple-people-being-treated-after-chemical-spill-in-west-virginia/] These incidents reinforce a critical truth for hazmat professionals: recognizing chemical behavior is just as important as identifying the product itself. Want to train for incidents like these before they happen? Check out in-person, online, and hybrid training programs with The HazMat Guys and take your response capabilities to the next level.

Hazardous material from WA’s biggest lithium-ion battery fire in Maddington; 2 hospitalized for evaluation after brief fluorine leak at University of Akron; Nearly 500 pounds of meth found after crash

This week, Timmy breaks down three real-world hazmat incidents that highlight the growing complexity of modern response. First, the largest lithium-ion battery fire in Western Australia forces responders to deal with mixed battery types, extreme heat, and ongoing concerns about toxic exposure and reignition. Source: https://www.abc.net.au/news/2026-04-19/schools-deemed-safe-after-wa-biggest-lithium-ion-battery-fire/106560438 [https://www.abc.net.au/news/2026-04-19/schools-deemed-safe-after-wa-biggest-lithium-ion-battery-fire/106560438] Then, a fluorine leak at the University of Akron triggers a hazmat response and hospital evaluations, showing how even a controlled lab environment can escalate quickly. Source: https://www.wkyc.com/article/news/local/akron/university-of-akron-2-hospitalized-hazmat-incident-sidney-l-olson-research-center/95-4cfb36e2-3608-4d72-b203-689df097e7f2 [https://www.wkyc.com/article/news/local/akron/university-of-akron-2-hospitalized-hazmat-incident-sidney-l-olson-research-center/95-4cfb36e2-3608-4d72-b203-689df097e7f2] Finally, a deadly crash in Fort Worth reveals nearly 500 pounds of liquid methamphetamine inside a suspected mobile drug lab, exposing both responders and the public to serious risk. Source: https://www.nbcdfw.com/news/local/liquid-meth-found-deadly-fort-worth-crash/4011798/ [https://www.nbcdfw.com/news/local/liquid-meth-found-deadly-fort-worth-crash/4011798/]