Insulation United States Gypsum Company 300 W.

Warren Webster & Company Specialties, Heating corner, left-corner, vertical, and straight way bodies.

Air System Equipment Air Filters and Cleaners The Air-Maze Corporation 5202 Harvard Avenue, Cleveland, Ohio ENGINEERS AND MANUFACTURERS OF AIR FILTERS EXCLUSIVELY Direct Factory Representatives in All Industrial Areas.

Air System Equipment Fans and Blowers American Coolair Corporation Jacksonville, Florida Cooling and Ventilating Fan Systems For Homes, Offices, Stores, Factories, Etc.

HAVEG PLANT TOUR / id p jy ` 5 'V WcJ c'{J 5012 5008 - 18A 5009 5009 5009 5012 5012 5009

HAVEG PRODUCTION CONTROL, INSPECTION OR REQUISITIONEJt 'CEiVING SUP ur.U - AKIIAL AFFtO'U IT Qgfo""D ticiimn ~ >-*-6 camiTT )6 B W2-7 ya D E I C I f t Ij l36bB/X*Srf.

Heating Systems Boilers, steel Fitzgibbons Boiler Company,Inc.

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PLANT Caustic.

hrs Sit a i INDUSTRIAL HYGIENE MONITORING 3M ORGANIC VAPOR MONITOR 3500 AREA/NAME MIN.

UM 1 0M Af CARBIDE UJ ffrr> P<05 CORPORATION UJ Rtf PC> V" ptpy J PS CHEMICALS AMD PLASTICS DIVISION TEXAS MU.

N()TLS VINYL CHLORIDF. i'.AlT-n'Y ASSOCIATION MEETING MAI`_\ i 29, 10 79 NKW Oi'LUANS, LA. 1.

t INTERNAL CORRESPONDENCE a' ' CHEMICALS AND PLASTICS P.O.

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