Maryam ZahabaNur Sarah Fatihah TamsiSakinah EnglimanAmirul Faiz KamaruddinNoor Artika HassanArman Ariffin2024-05-102024-05-102022Zahaba, M., Tamsi, N. S. F., Engliman, S., Kamaruddin, A. F., Hassan, N. A., & Ariffin, A. (2022). Indoor air quality (IAQ) in a naval ship after refit program: a time variation analysis. In IOP Conference Series: Earth and Environmental Science (Vol. 1013, No. 1, p. 012004). IOP Publishing.https://repoemc.ukm.my/handle/123456789/508Refurbishments of the ship's external and internal structures are the main scopes of a refit program. These activities may affect the indoor air quality (IAQ) inside ships and increase the indoor air pollutants (IAP) concentrations onboard. Therefore, continuous IAQ monitoring is needed to determine IAP exposure to the ship's crew.This study evaluates the changes in IAQ conditions inside a naval ship over a two-time interval to determine the effect of compliance with the recommended engineering control measures proposed in the first assessment. Following the standard of the Industry Code of Practice on Indoor Air Quality 2010 (ICOP on IAQ 2010), seven IAQ parameters (temperature, relative humidity (RH), carbon dioxide (CO2), respirable particulates/particulate matter (PM10), total volatile organic compounds (TVOC), bacterial count, and fungal count) were measured in two assessment phases. The first phase was conducted after the ship completed the refit program, and the second phase began three months later, following the execution of the recommended engineering control measures.enIndoor air quality (IAQ)Naval shipEngineering controlShip refit programJournal