一、发病情况调查:1986年11月5日早晨,天津市北郊区双口乡铆造厂刚上班不久,10名职工因喝厂内自制面汤和开水发生中毒。有症状的8人,主要表现皮肤青紫、呕吐、头晕、视力模糊等。个别人出现呼吸困难、昏迷、肺水肿、下肢痉挛。发病率80％。没喝面汤、开水的职工无病例发生。面汤水也源于锅炉,其它主、辅料及操作过程无异常,说明该次中毒系饮水中毒。 First, the incidence of the investigation: November 5, 1986 morning, Shuangkou Township, northern suburbs of Tianjin riveting plant just to work shortly after the 10 workers because of the factory drinking homemade soup and boiling water poisoning. Symptoms of 8 people, the main performance bruising, vomiting, dizziness, blurred vision and so on. Some people have breathing difficulties, coma, pulmonary edema, lower extremity spasm. The incidence of 80%. No drink soup, boiled water workers did not happen. Side soup is also derived from the boiler, the other main, auxiliary materials and operating procedures were normal, indicating that the poisoning of the Department of drinking water.