Document 5LerN8KpQ6eGkwr2bZqwbqNnV

>4>cx --> z PLAINTIFF'S j[ EXHIBIT 1 AB-4 1 Abex Corporation American Brakeblok Division WHCHESTtR. VIRGINIA 22G01 TEL 703-G62*3871 November 20, 1967 Mr. 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 1966 are as follows: 1. HEW VENTILATION EQUIPMENT 1967 - Eight (8) Electric Roof Ventilators rated 21,600 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 lit,000 CFM. 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. SUBSTITUTION OF NON-TOXIC MATERIALS FOR TOXIC 01 1967 - None NOV 2 71967 ABEX CORPORATION MEDICAL DEPT. AmicoftMott SPNY 006363 V Hr*. C. H. Borchar ding, Jr. November 20, 1967 Page Two . ANY CHANCE IN TYPE OP SOLVENTS USED 1967 - None 6. NOISE REDUCTION MEASURES 1967 - Hone 7. ARE STATIC PRESSURE READINGS HETWA TAKEN ON VENTILATION 1967 - None. Ammeter readings are taken to control loading of motors - proper motor load is an indication of the Dust Collector handling the approximate designed load. 6. HEAT REDUCING- MEASURES 1967 - See Items 1 and 2. ' 9. AIR POLLUTION ABATEMENT MEASURES 1967 - None 10. INDUSTRIAL HYGIENE IMPROVEMENTS SCHEDULED FOR 1966 1968 - None - Due to revamping Strip Finishing and Inspec tion Departments, additional Dust Collectors will be added. J.W. Riley/Jk cc: D. K. Rennie C. B. Mallory C. L. Curtis W. H. Baker NOV 2 71357 A6^ C^pR.ATJOi.i medical dept SPNY 006364