Document qRMRLxNqb0zda65OXL5Dwz35

/ Cl a s s o f Se r v ic e This is a fast message unless its deferred char acter is indicated by the proper symbol. WESTERN UNION TELEGRAM W. P, MARSHALL, Pr e s id e n t SYMBOLS DL~Day Letter NL = Night Letter LT: ..International "Letter Telegram The filing time shown in the date line on domestic telegrams is STANDARD TIME at point of origin. Time of receipt is STANDARD TIME at point of destination = ^CTA289 NSB154 ^ 7TTs^BRA2S5r PD AR=WUX BATON ROUGE LA 18 1214PMC= `DR R A KEHOE (CONFIDE Nj'lAL'j KETTERING LABORATORIES COLLEGE OF MEDICINE UNI VERS ITT OF Cl NCINNAJI ;EDEN AVE CIN= SUBJECT-- DETERMINATION OF TETRAMEJHYLLEAD IN AIR <3 Tj HAS.BEEN FOUND JN LABORATORY EX PER I EME NTS .THAT THE ETHYL FIELD KIT METHOD FOR LEAD~Tn 9a 'IR GIVES LOW i I RESULJS WHEN APPLIED TO TETRAMEJHYLLEAD USING THE FIELD KIT I N .THE PRESCRIBED MANNER AT THE RECOMMENDED SAMPLING RATES WOULD RESULT IN REPORTED VALUES WHICH THE COMPANY WILL APPRECIATE SUGGESTIONS FROM ITS PATRONS CONCERNING ITS SERVICE 0020783 Ce a s s o p Se r v ic e This is a fast message unless its deferred char acter is indicated by the proper symbol. WESTERN UNION TELEGRAM W. P. MARSHALL, p r e s id e n t SYMBOLS DL = Day Letter NL"Nght Letter LT= International Letter Telegram The filing time shown in the date line on domestic telegrams is STANDARD TIME at point of origin. Time of receipt is STANDARD TIME at point of destination 718 ty s iARE LESS THAN 25 PERCENT OF THE JRUE VALUE <1 THE REASON FOR .TH.lS D ISCREPANCY I S THE SLOW RATE OF REACTION OF TfviL W I JH 1ODl NE WHEN COMPARED TO JHE RAPID RATE FOR TEL W I TH J ODI ME AS A RESULT JHE JML VAPORS ARE PULLED THROUGH JHE FIELD KIT SCRUBBER BEFORE THEY CAN REACT COMPLETELY JO FORM SALTS WHICH ARE RETAINED JS JT POSSIBLE JHAJ THE LOWER REACTIVITY OF TML MAY RESULT JN LOWER. TOXICITY? ^ SIMILAR LABORATORY TESTS MADE WITH THE 24-HOUR COMPOSITE TYPE OF SCRUBBER USED IN THE PLANT SHOWED I THE COMPANY WILL APPRECIATE SUGGESTIONS FROM ITS PATRONS CONCERNING ITS SERVICE HE 0020784 ____________________ Cl a s s o f Se r v ic e This Is a fast message unless its deferred char acter is indicated by the proper symbol. WESTERN UNION TELEGRAM W. P. MARSHALL. Pr c s io e h t SYMBOLS DL = Day Letter NL^Night Letter LT: .international "Letter Telegram The filing time shown in the date line on domestic telegrams is STANDARD TIME at point of origin. Time of receipt Is STANDARD TIME at point of destination ''' ri:8 /iSo \ PM -4i- Le a d r e c o v e r y e f f ic ie n c ie s in j h e r a n g e o f 50 p e r c e n t W I TH JML. JHE FACT .THAT JHESE SCRUBBERS ARE EFFI Cl ENT IS APPARENTLY DUE JO THE MUCH SLOWER AIR FLOW RAJES USED' IN JHE 24-HOUR SAMPLING PROCEDURE# <51 JHE SLOWER RATE OF REACTION OF JML WITH JOD.INE MAKES SEVERAL VARIABLES JN JHE FJELD KIT CRITICAL FOR TML RECOVERY9 WHICH WERE NOJ CRITICAL FOR COMPLETE JEL RECOVERY. AMONG JHESE ARE SAMPLING RATE > Tob.l NE CONCENT RAT 1 0 N 5 EFFICIENCY OF GLASS WOLL PACKING AND JEMPERATURE THE COMPANY WILL APPRECIATE SUGGESTIONS FROM ITS PATRONS CONCERNING ITS SERVICE Kf 0020785 1 Cl a s s o f Se r v ic e This is a fast message unless its deferred char acter is indicated by the proper symboL WESTERN UNION TELEGRAM W. P. MARSHALL. Ph e s id e n t SYMBOLS DL= Day Letter NL = Night Letter I -j-_International Letter Telegram The filing time shown in the date line on domestic telegrams is STANDARD TIME at point of origin. Time of receipt ifrSXANDARD TIME at p< ` ^<*stmation > ..... WE ARE PRESENTLY SJUDY I NG THE CRITICAL VARIABLES IN AN EFFORT TO FIND CONDTj Jo N S WHICH WILL ALLOW THE FIELD KIT TO BE APPLIED TO TML-j.N-A IR MEASUREMENT WITH A MINIMUM OF MODIFICATION ] JH OTHER POSSIBLE MEJHODS FOR MEASURING JML~IN-AIR ARE ALSO BEING REVIEWED* WE WILL KEEP YOU .'INFORMED OF OUR PROGRESS R L HUDSON ETHYL CORPORATION = THE COMPANY WILL APPRECIATE SUGGESTIONS FROM ITS PATRONS CONCERNING ITS SERVICE KE 0020786