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Q84. For a unit that is not required to use Tier 4 (CEMS monitoring), which tier is required if you receive HHV with some coal shipments, but not every coal shipment?
Note: The Cal e-GGRT help system includes general instruction on using the California GHG reporting tool. However, the help system may not explain differences between California and U.S. EPA reporting requirements. Please refer to the ARB reporting website for California-specific reporting requirements and additional help.