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One of the most critical technology for the underground mining industry is a diesel engine. Beside an advantage, the diesel engine has disadvantaged due to gas and particulate emission called diesel particulate matter (DPM). In this paper, we described DPM issues all over the world and potential risk exposure in Indonesia underground mining industry. To have an understanding of the issues all over the world, this research was performed by reviewing paper from journal, proceedings, textbook, report, also compare withregulation, guidance, and standard on DPM topic. To analyze DPM risk emitted by diesel engines, a questionnaire was sent by mail to seven underground mining companies in all around Indonesia.There was a potential risk for underground mining worker in Indonesia to become exposed by DPM based on data analysis. There were four respondents using diesel engines in their operation with the highest population of diesel engines 717 unit for High Duty Vehicle and 380 unit for Light duty vehicle. Another research study toassess correct emission rate in several underground mines with more comprehensive parameter must be conducted to support the government of Indonesia with more reliable data to publish regulation on DPM. Keywords: diesel particulate matter; risk; underground mining

Diesel Particulate Matter Issues in Indonesia Underground Mining Industry