Document DMxgJM9Ejp91Vg47YqEjQbyVM

AFFIDAVIT COMES NOW the Affiant. Z. STEPHEN HORVAT. and states, under the penalties of perjury, and on personal knowledge, the following: 1. I am over the age of eighteen (18). and am competent on the basis of personal knowledge, to testify to the matters set forth in this Affidavit. 2. I am registered to conduct research at the United States National Archives and Records Administration. My Researcher Number is 094808. 3. On April 24. 2009, I went to the United States National Archives and Records Administration repository located at 8601 Adclphi Road. College Park. Maryland 20740. and with the assistance of a National Archives and Records Administration researcher, located the following publications ofthe United States Department ofthe Interior. Bureau ofMines: a) List of Devices for Respiratory Protection approved by tiif L'.S. Bureau of Mines; Information Circular 6845, June. 1935; (five (5) pages (11" x 17")); (Bates labeled IJSBM-000001-000005) b) List of Devices for Respiratory Protection approved by the U.S. BUREAU OF MINES; Information Circular 6918. October. 1936: (five (5) pages (11" x 17")); (Bates Labeled USBM-000006-000010) c) List of Respiratory Protective Devices approved by the U.S. BUREAU or MINES; Information Circular 6952, August. 1937; (six (6) pages (11" x 1T')); (Bates Labeled USBM-000011-000016) d) List of Respiratory Protective Devices Approved by the BUREAU OF Mines; Information Circular 7030, July, 1938; (seven (7) pages (11" x 17")); (Bates Labeled USBM-000017-000023) c) List oi Respiratory Proiective Devices Approved by thf Bureau OF Mines: Information Circular 7237, March. 1943: (nineteen (19) pages (11" x 17")); (Bates Labeled USBM-000024-000042) 0 List or Rfspira iory Protective devices approved by the BUREAU OF Minf.S: Information Circular 7444. March. 1948; (twenty-two (22) pages(11" x IT')): (Bates Labeled USBM-000043-0000064) 1 IJSBM-000I38