You can query Industrial Pollution Estimates by select Province name and Pollution type in this form,  factory data from Department of Industrial Work in 1994-1995

Industrial Pollution Estimates

Please select Province name and Pollution type. Province : Ang Thong Ayuthaya Bangkok Buriram Chachoengsao Chainat Chaiyaphum Chanthaburi Chiang Mai Chiang Rai Chonburi Chumporn Kalasin Kamphangphet Karnchanaburi Khon Khaen Khorat Krabi Lampang Lamphun Loei Lopburi Mae Hong Sorn Maha Sarakham Mukdaharn Nakhon Nayok Nakhon Pathom Nakhon Sri Thammarat Nakorn Phanom Nakorn Sawan Nan Narathiwat Nong Khai Nonthaburi Pathum Thani Pattalung Pattani Phangnga Phayao Phetchaboon Phetchaburi Phijit Phisanulok Phrae Phuket Prachinburi Prachuap Khirikan Ranong Ratchaburi Rayong Roi Et Sakhon Nakhon Samut Prakan Samut Sakhon Samut Songkram Saraburi Satun Singburi Songkhla Srisaket Sukothai Supanburi Surat Thani Surin Tak Trang Trat Ubon Udonthani Uthai Thani Uthradit Yala Yasothorn Pollution :   Air     Water   Hazardous wastes     Rank 1 (small amount hazardous waste)     Rank 2 (medium amount hazardous waste)     Rank 3 (large amount hazardous waste)

Provincial Industrial Pollution Summaries