Document vVLDvorvmebBpXNL7DLZoQoXw

tfa-OSM REV. 4-M c.cj Ernst Linde - EPA E. I. d u Po n t d e Ne mo u r s SI Co mp a n y ineoAJ-oftATco Pe t r o l e u m La b o r a t o r y WILMINGTON, DELAWARE 19*90 TELEPHONE Aw e a Co d e 609-299-5000 (Ext, 2702) February 11, 1977 . Dr. Roger 0. MeClellan Director, Inhalation Toxicology Research Institute Lovelace Foundation P. O, Box 5890 Alburquerque, New Mexico 87115 bees D. R. Diggs D. H. Payne A. J. Pahnke D. Snee Dear Dr. McClellan: I am very happy to comply with your request for copies of the Du Pont reports which we prepared in review of the EPA draft document, "Air Quality Criteria for Atmospheric Lead. " I have enclosed two sets of each of the following reports for your use -- - PLMR-3-77 - 'Development of An Air Quality Value for Lead from Community Studies" PLMR-1-77 - "Critique of the Analytical Methods Section of EPA External Draft of 'Air Quality Criteria for Atmospheric Lead"' / PLMR-3-76 - "Trends in Air Lead Concentration" PLMR-2-77 - "Comments on EPA External Draft of Air Quality Criteria for Atmospheric lead" I trust you will find this information useful in your work. If there are any questions or further information which you require in regards to this subject, please feel free to contact either me or Dr. Pahnke at the above address. Sincerely, Emmett S. Jacobs, Head Petroleum Additives Division ESJ/eaa -Elio* Blind note to bee's: Dr. McClellan is Chairman of the Science Advisoiy Board Sub-Committee on Scientific Criteria for Environ mental Lead. TEH 047024$ BETTER THINGS FOR BETTER LIVING . . THROUGH CHEMISTRY This Information, based upon pur testing and experience, is offered without charge as part at our service to customers. It is intended ter use hy persons having technical skill, at their own discretion and risk. We do not guarantee favorable results, and we assume no liability in connection with its use. This information is cot intended as a license In operate under, or a recommendation to infiinge, any patent oi Du Font or others covoting any material or uso. DUP050083064