深夜，上海通报！

Core Points - Shanghai Education Department reported issues with shrimp and egg dishes supplied by Shanghai Green捷实业发展有限公司 to schools on September 15 [1][3] - Investigations are underway, with samples sent for testing, and results expected within a week [1] - The department emphasizes the importance of food safety and will enhance supervision of school meal suppliers [1][4] Group 1: Incident Overview - Parents raised concerns on social media about shrimp dishes being withdrawn from school lunches due to reported sand contamination [3] - Shanghai Green捷实业发展有限公司 acknowledged the issue but stated it was not widespread and that they are taking steps to improve food safety [3] Group 2: Regulatory Response - The Minhang District Market Supervision Administration is actively investigating the matter and has prioritized food safety in schools [4] - The Xuhui District Education Bureau confirmed that they are monitoring the situation closely and have taken immediate action to withdraw the problematic dishes [4]