They are type 3 hazardous substance with reference to HAZARDOUS SUBSTANCE ACT B.E. 2535, Type 3 hazardous substance is that of which the production, import, export, or having in possession must obtain a permit from DIW. So customer must apply for a permit (วอ.8) and the officer of DIW may inspect storage at BCS-S3.
Therefore, In my opinion we should reject because at the present, we keep chemicals in S-3 room is has not been classified in accordance with the law, so we could not pass inspection from DIW.
For next time, I would really appreciate it if you attached document as below,
1. MSDS
2. Hazardous substance checking online with DIW (ใบตอบรับการหารือวัตถุอันตรายทางอิเล็กทรอนิกส์)