Document MGBDNnezRnKJeXRd8BbV8omxa

0 <* tO H IIC7 7 MIMS g&FESYY APJPJLJI&MSSg (MIPJiMY ------------------------ 201 NORTH BRADDOCK AV = NU ETHYL CORP. Cfi&D < AREA CODE .113-RHONE, 241-3900 Pl'irl'SlBUJ&GIEI """"JtlN15'lSS4 ! June 11, 1964 Ethyl Corporation Research and Development Dept. P. 0. Box 341 Baton Rouge, Louisiana 70821 Attention: Mr. E. D. Hornbaker Gentlemen: t WEF 1 pgw re... AJH HLH CWM AQW BEH was 3MB A P<3 HS FILES SEC EDH FWF jaj KLL JRZ NGA nzj RLM CRB AFL POH SNH GAB K1 1 -We are In receipt of vour correspondence of June 3 referenced "' ` the' dtection of vinyl chloride vapor in the presence of vinyl acetate. We are replying to your questions as outlined in each para graph. 1. It is correct that we utilise a Universal testing Kit for detecting vinyl chloride vapor in the air in con centrations ranging from 100 to 1250 ppm. 2. In reply to this question, the answer is in the affirmative in that lower concentrations cf the acetate the whole range 100 - 1250 ppm vinyl chloride will be detected. 3. We regret we do not have available a tube for determining vinyl acetate vapor in the presence of vinyl chloride vapor. We have not had sufficient inquiries for this type of sam pling device to justify the expense to develop this test procedure. We trust the above information is satisfactory and if you should have any additional questions, please cc not hesitate to let us know. Very truly yours, MINE SAFETY APPLIANCES COMPANY /f?- Jj/E. Zatek Instrument Engineer Safety Products Division 1914-1964