The window of an apartment at Qi Hang Jia Yuan compound looks out onto a temporary processing tank filled with polluted water that was transferred from the explosion site. Among the chemicals that were stored at Ruihai Logistics Company warehouse were sodium cyanide (NaCN), toluene diisocyanate (TDI) and calcium carbide (CaC2), all of which pose direct threats to human health on contact. 

启航嘉园小区一户公寓的窗户在一个满载污水的临时处理罐上方，污水引流自爆炸点。瑞海公司危险品仓库储存的危化品包括氯化钠、甲苯二异氰酸酯以及碳化钙，和人体接触后均会对人体健康造成直接危害。