Document YJwbkqDVxO5XBmj4gbqNoRY8

oo February 4, 1976 Tot H F Bagkey Goodyear - Plaquendne The following comments are In answer to your letter of January 15th. The overriding consideration In supplying breathing air la that it at least meets the apeclflcatlon for Grade D breathing air as described in the Compressed Gas Association Comodity Specification G 7*1 - 1966. I know of no way to assure this except by testing the air* The subject of breathing air quality, and supply, is a specialized engineering matter and I recomend that you obtain professional advice from people knouledgahle in the field. You nay be able to obtain this locally from a compressed gas company or an engineering firm, bat in case you cannot, following are two possible sources of information. 1. Mine Safety Appliances Company 400 Peon Center Boulevard Pittsburgh, Pennsylvania 15235 412 - 241-5900 2. Deltech ftogineering, Inc. Century Park New Castle, Delaware 19720 Mine Safety Applianoas has a New Orleans office t 8131 Oleander St, Phonal 504 - 486-5368 Dsltaeh Engineering has a representative in Cleveland, Ohio * Von Hals Industrial Co., 14812 Detroit Avenue, Phonei 216 - 521-6283. R W Modrell cr Manager, Corporate Industrial Hygien 60037152.17 Our breathing air for face masks comes from plant air supply. Compressed air is supplied from a centrifugal non-oil lubricated compressor with dust filter at inlet, air goes through silica bed dryers. V/e have a small surge tank approximately 60 cu. ft. with air capacity of 3000 cu. ft. minimum through system. To Meet OHSA requirements: 1. Is further filtration required? 2. To meet air surge requirements would the following be satisfactory? a. Have alarm on air pressure in building b. Have Scott Air Paks available in building Please advise. HFB/col H. F. Bagbey Personnel Manager 60037152.18