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w PLAINTIFF'S EXHIBIT TEX-33 I-*. -* > i Xi psff - ; ,j," ,,. ',,' '!

Please refer to our May 29 subject memo and the attached concerning refinery visits by our staff and an industrial hygienist of the Research Environment and Safety Department (RESD).

The DPMC Industrial Hygiene Department conducts various types of sampling to measure the con centrations of gases, vapors' and particulates in the workplace which may effect employee health.

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^PROPOSED STATEMENT ON INDUSTRIAL HYGIENE FOR REFINERY SAFETY MANUAL PLAINTIFF'S EXHIBIT SH-3656 'The industrial hygiene program at DPMC consists primarily of sampling -programs to determine employee exposure to toxic materials.

PLAINTIFF'S EXHIBIT BUREAU OP ADULT HEALTH gOOg Ailuu Sli'tet- Rpkly t, CaMfBml* Tlphgne BE 7-3713 October 21, 19li9 TO THE LOCAL HEALTH OFFICER: DEPART,-.tr.MT CT P-J3UC HEALTH -`rl OF '-DUI.T HEALTH -- ' -'-^.1-- ; ry avshue BZr.

CHEMICALS AND FIBERS D IV IS IO N FIBERS DEPARTMENT D IS T R IB U T IO N : R .

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8 09W5 JW/PM Tot MCB/ACM Copiesi DWH/KHP/XAW/BXW CONFID ENTIAL.

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[149] A PLAINTIFF'S EXHIBIT TN-577S UNITED STATES DISTRICT COURT FOR THE EASTERN DISTRICT OF PENNSYLVANIA UNITED STATES OF AMERICA VS.

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