Document dYZGVR7Lzq9RwrLMBmyBbyDgb

CSTAltlSKEO tBOl .E. I. d u Po n t d e Ne mo u r s S Co mp a n y tNCORPOMJiTCO Wil min g t o n , De l a w a r e 19898 bcc: E. S. Jacobs-PD-Petchem Lab R. W. Kennard-ESD-L230 5 D. W. Marquardt-ESD-L3161 C. G. Pfeifer-ESD-L31E55 ENGIN EERI NG DEPARTMENT LOUVIERS BUILDING September 15, 1980 Ms. Katherine 1. Biggs, Manager Manuscript Reviewing Office Environmental Service and Technology 1155 Sixteenth Street, N.W. Washington, DC 20036 Dear Ms. Biggs: Enclosed are four (4) copies of the manuscript, "Developing an Air Quality Standard for Lead from Community Studies," which I am submitting for publication in Environmental Science and Technology. The methodology developed in this paper is general and can be used to develop air quality standards for other pollutants for which biological guidelines have been established. Your consideration of this paper is appreciated. I,look forward to hearing from you concerning the appropriateness of this paper for publication in your journal. Very truly yours, ENGINEERING SERVICE DIVISION Consultant Supervisor Applied Statistics Group enc (4) TEH 0470177 LEAD BLOOD ZIELHUIS BIOLOGICAL QUALITY GUIDE FOR LEAD TEH 0470178 DUP050082996 N42431.01 STUDIES OF THE AIR Pb-BLOOD Pb RELATIONSHIP _ _ _SUMMARY OF LOG-LOG SLOPES .25 .20 .15 LOG-LOG SLOPE .10 KEHOE - NK, SS GOLDSMITH - HEXTER KEHOE - FC KEHOE - LD, JS AZAR ALBANY 10.9 Mg/M3 JAPANESE ALBANY 3.2 Mg/M3 GOLDSMITH FOOD CHAIN ^ SEVEN CITIES; RABINOWITZ -E' RABINOWITZ - D AZAR 95% CONF LIMITS 't TEH 0470179 DUP050082997 N42431.02