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. Author manuscript; available in PMC: 2018 Jun 20.
Published in final edited form as: Environ Sci Technol. 2017 May 26;51(12):7197–7207. doi: 10.1021/acs.est.6b06413

Figure 1.

Figure 1

Workflow for IM-MS based quantitative chemical grouping of petroleum substances from Other Gas Oils (OGO), Straight Run Gas Oils (SRGO), Vacuum & Hydrotreated Gas Oils (VHGO), and Heavy Fuel Oils (HFO) manufacturing streams.