40 C.F.R. Figure 1 to Subpart QQQ of Part 63
Data Summary Sheet for Determination of Average Opacity
Cite as 40 C.F.R. Figure 1 to Subpart QQQ of Part 63 (2026)
Figure 1 to Subpart QQQ of Part 63—Data Summary Sheet for Determination of Average Opacity Clock time Number of converters blowing Converter aisle activity Average opacity for 1-minute interval (percent) Visible emissions interference observed during 1-minute interval? (yes or no) Average opacity for 1-minute interval blowing without visible emission interferences (percent)