Document LJ0nOvkqr8O5v9bRLY3XeqK3X

ATTACHMENT 12 2024-EPA-05254 Sierra Club FOIA 2024-EPA-05254 ED_017426_00003080-00001 SC_EVERSPLIT0002276 Attachment 12 PULPING INFORMATION REQUEST , BLEACHING, PAPERMAKING, AND WASTE WATER ATMOSPHERIC EMISSIONS A. Chemical pulping and recovery vent gases 1. For each chemical wood pulping line provide the following informatio at this mill, please n: Line No. Line design P c u a l p p a i c n i g ty Me ( t A h D o T d P : D brownstock) Kraft Kraft green liquor Sulfite NSSC Non-sul F f i u b r er ba S s o e u d rce s : emi-chemical Chips produced on-site .Chips produced off-site Sawmill residues Wood Species: Hardwood only Softwood only Mixed hardwood/softwood Average percentage Swing line Average Kappa Number of pulp leaving digesters: Hardwood softwood Softwood For the following digester area so fate of the vent gases using urces, please indicate the the following codes; L - gases sent to low volume-high c collection and incinerati oncentration kraft NCG H - gases sent to high volu on system collection and incine me-low concentration kraft NCG A - gases vented to atm ration system B - gases vented into osphere S - gases routed to a building D - gases routed di sulfite or NSSC acid making system NA- source not pr rectly into a combustion device N - source pre esent on this pulping line sent, but no gases are vented Line No. Chip bin Chip steaming vessel Batch digester relief gases Batch digester blow gases Continuous digester relief gases Continuous digester blow gases Sierra Club FOIA 2024-EPA-05254 ED_017426_00003080-00002 SC_EVERSPLIT0002277 Digester evacuation system Turpentine decanter vent Other digester area vents not listed above: Is extended delignification practiced on this line? 2. For each brown/red stock washer line at this mill, please provide the following information: Washer line no. Washer line capacity (ADTPD brownstock) From which pulping line(s) does the brown/red stock come from? Please indicate the fate of the vent gases for the following sources, using the same codes as for the digester area; Brown/red stock washer (vacuum drum) hoods Brown/red stock washer (vacuum drum) filtrate tanks/ foam towers vents Brown/red stock washer (diffusion) hoods Brown/red stock washer (diffusion) filtrate tanks Pressure washer Belt/Fourdrinier washer Screens i i=, Deckers Deknotters Thickeners Weak black liquor storage tank Other washer system vents not listed above: If the washer system line has rotary drum vacuum washers, how many washing stages are there? 2024-EPA-05254 Sierra Club FOIA 2024-EPA-05254 ED_0l 7426_00003080-00003 SC_EVERSPLIT0002278