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Occupational exposure during treatment of offshore drilling waste and characterization of microbiological diversity [Epub ahead of print]

Tidsskriftartikel - 2019

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The exposure for workers handling and recycling offshore drilling waste are previously not described, and given the potential for exposure to hazardous components, there is a need for characterizing this occupational exposure. In this study five plants recycling offshore drilling waste with different techniques were included. Measurements were conducted in both winter and summer to include seasonal exposure variations. Altogether >200 personal air-exposure measurements for oil mist, oil vapor, volatile organic compounds (VOC), hydrogen sulfide (H2S) and solvents were carried out respectively. Microorganisms related to drilling waste were identified in bulk samples and in stationary air measurements from two of the plants. The exposure to oil mist and oil vapor were below 10% of the current Norwegian occupational exposure limits (OEL) for all measured components. The plants using the Resoil or TCC method had a statistically significant higher exposure to oil vapor than the plant using complete combustion (p-value

Reference

Daae HL, Heldal KK, Madsen AM, Olsen R, Skaugset NP, Graff P. Occupational exposure during treatment of offshore drilling waste and characterization of microbiological diversity [Epub ahead of print]. Sci Tot Environ 2019.
doi: 10.1016/j.scitotenv.2019.05.131

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