Document mqnm0d3BqpY7jE50QNv2em05B

PLAINTIFF'S EXHIBIT AB-41 Abex Corporation American Brakeblok Division WINCHESTER. VIRGINIA 22801 TEL 703-662*3871 November 20, 1967 lb?. C. H. Borcherding, Jr. Industrial Hygienist Medical Department k$$0 West 26th Street Chicago, Illinois 60623 Dear Mr* Borcherding: Industrial Hygiene improvements completed during 196? and contemplated for 1968 are as follows: 1. NEW VENTILATION EQUIPMENT 1967 - Eight (8) Electric Roof Ventilators rated 21,800 CFM each, were installed in roof framing of Block Press Department to remove heat and fumes from area generated by steam heated presses. 2. IMPROVEMENT OP EXISTING VENTILATION 1967 - Three (3) window type fans were installed in monitor over North end of Book Press Department to re move heat and fumes generated by electrically heated presses. Each fan rated lij.,000 OEM. 3. IMPROVED ILLUMINATION 1967-1968 - As Production Departments are relocated in expansion program, lighting methods are improved by fluorescent fixtures replacing incandescents and level of candlepower increased. k-. SUBSTITUTION OF H0N-T0XIC MATERIALS FOR TOXIC 0: 1967 - None NOV 2 71967 ABEX CORPORATION MEDICAL DEPT. BiaMM SPNY 006363