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INDUSTRIAL VENTILATION 18wi Edition A Manual of Recommended Practice 1984 COMMITTEE ON INDUSTRIAL VENTILATION P.O. BOX 16153 LANSING, MICHIGAN, 48901, U.SA. Sales American Conference of Governmental Industrial Hygienists 6500 Glenway, Bldg. D-5 Cincinnati, OH, 45211 USA PLAINTIFFS EXHIBIT w-oiaqia PLAINTIFF'S EXHIBIT 5-128 INDUSTRIAL VENTILATION TABLE 5-9-2 MISCELLANEOUS SPECIFIC OPERATION STANDARDS Operation or Industry Ventilation Type of Hood Air Flow or Capture Velocity Minimum Design Duct Velocity fpm References and Remarks Abrasive Wheel Manufacture Grading screen Enclosure--booth 50 fpm at face Barrels Close canopy 400 fpm at face Grinding wheel dressing Enclosure--booth 400 fpm at face 3000 3000 3000 (33) -- Bbls. receive dust from cyclone -- Aluminum Furnaces Enclosure 150-200 fpm through opening 2000 (14) ------ Asbestos Bagging Carding Crushing Drilling of panels containing asbestos Dumping Grinding of brake shoes Hot press for brake shoes Mixing Preform Press Screening Spool winding Spinning and twisting Weaving Enclosure Booth Enclosure Enclosure Moveable hood Booth Enclosure Enclosure Booth Enclosure Enclosure Local Hoods Partial 250 fpm through all openings 1600 cfm/card 150 fpm through all openings 400 fpm capture velocity 250 fpm face velocity 400 fpm - minimum capture at the tool rest 250 fpm through all openings 250 fpm face velocity 250 fpm through all openings 200 fpm through all openings but not less than 25 cfm/sq ft screen areas 50 cfm/spool 50 cfm/spool Canopy with baffles 50 fpm through openings 3500 3500 3500 4500 3500 3500 (125, 127) (124) (126) (126) (126) 3500 3500 3500 3000 (126) (126) (126) (125) 3500 3500 3500 Hinged front panels and skirt, wet twisting preferred Wet weaving preferred Auto Parking Garage Ceramic Dry pan Dry press Aerographing Spraying (lead glaze) 2 Level Enclosure Local at die Local at die At supply bin Booth Booth 500 cfm/Parking Space 200 fpm through all openings 500 cfm 500 cfm 500 cfm 100 fpm (face) 400 fpm (face) (80) 3500 3500 3500 3500 ________ 2000 (24, 31, 39) -- Automatic feed Manual feed Manual feed ___ --