INDUSTRIAL DUST Hygienic Significance, Measurement, and Control PHILIP DRINKER, S.B., Ch.E.

r SPECIALIZED PRODUCTS AND PROCEDURES FOR BUILDING MAINTENANCE AND CONSTRUCTION ME T C0 -L UME PURPOSE Aluminum Roof PreservativettEfiiOHAL SALES & SERVICE OrFICE 538 Park Drive GARDcNDALE, AL 35071 Ph. 631-5399 To provide a heat-reflective surface that will reduce under-roof temperatures and -- in one application -- rejuvenate, protect and preserve roof coverings.

I UNITED STATES STEEL CORPORATION DESIGN ENGINEERING - PITTSBURGH 225 GULF BUILDING PITTSBURGH, PENNSYLVANIA 15230 <l^'t ) ADDENDUM SPECIFICATION NO. 535-4102-62-ADD. 1 APRIL 24, 1967 INSULATION FOR PIPING AND EQUIPMENT KEYSTONE PROJECT .

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editorials Asbestos and Smoking More than ten years ago.

UNION CARBIDE CORPOE _ON' Engineering, Manufacturing, & Technology Services .

USHO 003062 Arms t rung gasket materials ~czzz:-.z asoestos noer) oages A and 5 itddcso -lose hber) pages 5 and 7 'ar-. h^a-'-jODe'' compositions pages 8 thru 11 Z:'* compositions pages 12 and 13 ; osed ''c-ci'ei'-; rubber page 14 = -boer ':mpo.."

PLAINTIFF'S EXHIBIT OPERATING INSTRUCTIONS FOR TYPE R-l MOTOR DRIVEN TIPPING VALVE WESTERN PRECIPITATION DIVISIONJOY MANUFACTURING COMPANY 10 0 0 WEST NINTH STREET LOS ANGELES 54, CALIFORNIA USHO 001731 TYPE R-l MOTOR DRIVEN TIPPING VALVE DESCRIPTION The Type R 1 Motor Driven Tipping Valve is a tight, two-part, quick closing, counter-weighted valve, equipped with motor operated mechanism for positive alternate opening of the valve flap in the .upper part of the valve, followed by the valve flap in the lower part of the valve, each flap opening and closing approximately two times per minute.

ORIGINAL TOCOPY TO SHI!

PLAINTIFF'S EXHIBIT fnm*m R.

PLAINTIFF'S EXHIBIT The 1998 U.

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IN THE UNITED STATES DISTRICT COURT FOR THE EASTERN DISTRICT OF NORTH CAROLINaSEP 1 6 1Qq ORAATLPEITGrHil PDVITVITISTPIOTANM IJJOO No. 84-278-CIV-5 'J.R1CH LEONARD, CLERK M.S.DISTRICT COURT t DJST.