Document 4aDLe0v5a2dv0ryGqLgnR2aRG

N ovem ber 27, 1973 HFoeoadrinagndCDlerrukg A d m in istra tio n RR56oo0oc0mk vFi6ilsl-e8h,6e rMs aLryanlaen d 20852 Dear Sir: Enclosed are com m ents pertaining to the FDA publication in the F12e1d.e2r0a0l6R, epgairsategrr,a pVhoci.. 33, P#l1e8a8s,e Sneoptteemthbeeor r2ig8i,n a1l97c3o,pyS eisctitohne only one with photographs suitable for reproduction. As indicated, there are serious technical lim itations of the method described in paragraph c. An alternative m ethod is proposed. dWeetewctoiuolnd ilniktea ltco aenxdp roeusrs woiullrincgonnetisnsutiongcianrtreyreosutt irne saesba recshto sto fib e r determ ine the m ost appropriate method and standards. Very truly yours, JM W /m lg E n clo su res Engineering Director Com m ents P ertaining to the FDA PVuobl.lic3a3t,io #n18in8,thSe eFp teedme rbaelr R28e,g is1t9e7r3 Section 121.2006, P aragraph C P repared by: EM ventions, Inc. 2351 Shady Grove Road Rockville, Md. 20850 JRaemseeasrcHh. DMicreAclteoarr, P h .D .