In February, a train was partially derailed while carrying a number of chemicals. The subsequent attempt at containment resulted in the release of many thousands of gallons of these chemicals. What were those chemicals? What are the risks involved in their release? References: https://www.nytimes.com/article/ohio-train-derailment.html https://www.ntsb.gov/news/press-releases/Pages/NR20230214.aspx https://www.tandfonline.com/doi/abs/10.1080/0002889718506429 https://www.sciencedirect.com/science/article/pii/S0160412007001390 https://www.sciencedirect.com/science/article/pii/S0304389421030533 https://pubs.acs.org/doi/full/10.1021/es1013664#https://www.mdpi.com/1422-0067/20/3/617 https://www.sciencedirect.com/science/article/pii/S0013935105001921 https://news.wosu.org/2023-03-01/could-dioxins-be-in-the-soil-after-the-east-palestine-train-derailment-experts-weigh-in