- Identify one chemical-based industry located in Selangor/Kuala Lumpur or other places. - Get the process flow diagram (PFD). - Identify/Perform material balances of the process - Identify the compound/component of gas release from the stack. - Take a photo of gas dispersion types from the stack. At least 3 dispersion types should be covered in the report. The report should contain: 1) Details of dispersion types - Name of industry - Type of industry - Time of release - Location - Weather condition - Physical properties of dispersion - Process flow diagram - Materials balance - Component of gas release from stack 2) Discussion on the how the dispersion/releases could occur. 3) Discuss the effect of each dispersion to surrounding and environment 4) Photo of dispersion