FILE NAME: Westinghouse (WH) DATE: 1947 DOC#: WH 115 DOCUMENT DESCRIPTION: Book Excerpt - Industrial Medicine Introduction to INDUSTRIAL MEDICINE T.

FILE NAME: Metropolitan Life (ML) DATE: 1948 DOC#: ML018 DOCUMENT DESCRIPTION: Met Life Publication - Telling Employees About Business Operations-The Company J i U J -j j H i 4 TELLING EMPLOYEES ABOUT BUSINESS OPERATIONS: THE COMPANY 19 4 8 Prepared by Policyholders Service Bureau Group Insurance Division METROPOLITAN LIFE INSURANCE COMPANY 0055151 w (J U J i 7j." ; i TELLING EMPLOYEES ABOUT BUSINESS OPERATIONS; THE COMPANY is one of a number of studies issued by the Policyholders Service Bureau.

FILE NAME: Trade Publications (TR) DATE: 1940 Nov DOC#: TR031 DOCUMENT DESCRIPTION: Trade Journal Article - Industrial Health Hazards r ~ engineers and contractors controlling the design, specification, installation and maintenance of heat ing, ventilating and air conditioning.

FILE NAME: PPG (PPG) DATE: 1948 Oct 22 DOC#: PPG010 DOCUMENT DESCRIPTION: Progress Report from Mellon Institute of Industrial Research C o n k h >k n t j a l M r .

FILE NAME: Oil Industry and American Petroleum Institute (API) DATE: 1948 Nov 22 DOC#: API 145 DOCUMENT DESCRIPTION: Memo RE Paper Read by Dr.

FILE NAME: John Crane (JC) DATE: 1944 DOC#: JC006 DOCUMENT DESCRIPTION: List of Advertisers from Southern Power & Industry ALPHABETICAL INDEX OF ADVERTISERS A Acme Industries .................................... 43 Air Conditioning Engineering Co. 116 Air-Maze Corporation ........................ 40 Alrtemp Dir.

FILE NAME: Powhatan (PHN) DATE: 1944 DOC#: PHN004 DOCUMENT DESCRIPTION: Govt Inspection Reports 'A.\ MARYLAND STATE DEPARTMENT.OF HEALTH Lant P-* tt/s V ^ r r V A ' ^m '/a r t:.r `/?

FILE NAME State of the Art Literature SAL DATE 1942 Dec DOC SAL036 DOCUMENT DESCRIPTION Bulletin by Hygiene - Industrial Hygiene in a - 7 ater fee hoe ae ya yEO te tei e te yw Nek ee ene _~ x 811 Der 1942 and al NikmaterF BUREAOUF HYGIENE AND TROPICAL DISEASES | summary BULLETIN OF HYGIENE - chapters nowadays nowadays - ang many a detouc numeroas Volume XVII No. 12 ; .

Confidential Mellon* Institute of Industrial Research UNI VERS ITT OF PITTSBURGH PROGRESS REPORT for the week ended January 5, 1946 INDUSTRIAL HYGIENE FOUNDATION Subjects under which report is to be indexed Industrial Fellowship No. 259-ttL 5 copies made: 1 - Mellon Institute 2 - Industrial Hygiene files ,/Worked on Ohio Code on Occupational Hazards.

Ccnf :de.v.

Industrial Hygiene Digest - 20 I August, IQUq it r I- !

19--Personal Protective Equipment TABLE 19-A TRANSMITTANCES AND TOLERANCES IN TRANSMITTANCE OF VARIOUS SHADES OF FILTER LENSES Shade Ato Optical Density Min Std Max Luminous Transmittance Max Std Min Maximum Infrared Transmit* lance Maximum Spectral Transmittance in the Ultraviolet and Violet for Four Wavelengths (millimicrons) 313 334 365 405 1 5 017 1 7 026 20 036 25 054 30 0 75 0 214 0 300 0 429 0643 0 857 per cent per cent per cent per cent per cent per cent per cent per cent 026 036 054 0 75 1 07 67 55 43 29 180 61 1 501 37 3 22 8 139 55 43 29 18 0 850 25 20 15 12 90 02 02 02 02 02 08 25 65 07 20 50 05 14 35 03 5 15 02 05 6 40 1 07 50 1 50 60 1 93 70 236 80 2 79 1 286 1 714 2 143 2 571 3 000 1 50 1 93 2 36 279 3 21 8 50 316 1 18 044 0164 518 1 93 0 72 0 27 0100 3 16 1 18 044 0 164 0 061 50 02 02 05 10 25 02 02 02 05 1 5 01 01 01 05 1 3 01 01 01 05 1 0 01 01 01 05 90 3 21 100 364 11 0 4 07 120 4 50 130 4 93 140 5 36 3 429 3 857 4 286 4 714 5 143 5 571 364 4 07 450 4 93 5 36 5 79 0061 0023 0 0085 0 0032 00012 0 0004 0 037 0 0139 0 0052 0 0019 0 00072 0 00027 0 023 0 0085 0 0032 00012 0 00044 0 00016 08 06 05 05 04 03 01 01 005 005 005 005 01 01 0 05 0 05 0 05 0 05 01 01 0 05 005 0 05 0 05 05 05 01 01 01 01 NOTE The values given apply to class I filter glass For class II filter lenses, the transmittances and tolerances are the same with the additional requirement that the transmittance of 589 3 millimicrons shall not exceed 15 per cent of the luminous transmittance Some of the headings in this table have been changed to conform with N8S Letter Circular LC857 Spectral-Transmissive Properties and Use of Eye-Protective Classes Reprinted from National Bureau of Standards Circular 471, 1948 DICHROIC coated glass plate (coating faces chemicals may be provided in a variety of ways, depending upon the hazard Good protection is given by a hood made of chemi cal-resistant material with a glass or plasbc window (Fig 19-20) In all cases, there should be a secure joint between the window and the hood materials Hoods are extremely hot to wear, and can be obtained with air lines for the wearer's comfort When a hood is so supplied, the wearer should have a harness or belt like that on an air line respirator (see Fig 19-30 and -31) for support of the hose A device based on a vortex principle has been developed to provide temperature-conditioned air (See Fig 19-36) If protection is necessary only from limited direct splashes, the wearer can don a face 486 <Fic 19-22 --Diagram shows how "antilaser eyeshield" deflects laser beam

ft; PLAINTIFF'S EXHIBIT' ---------JM QS1 August 29, 1946 'Philip A.

Rockwool---------- PLAINTIFF'S?

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