Document rp8YDzEKXk1MkG7ompebjaxra

Source: Material: Submitted: Required: Employees of E. I. du Pont de Nemours and Company, Inc., Wilmington 98 Delaware Urine 6 -25~57 by Dr. Stewart L. Rankin, Medical Advisor, Petroleum Chemicals Division Lead Analyses Nam e Analysis Num ber URINE Volume ml. Specific Gravity Mg. Pb/ Liter 57A-I0I.95 85 1 .0 2 0 57k-hk$k 110 I.O27 mmmtm 57A-&9 5 100 I.O5O 57A-W96 88 1.022 O.O8 O.O6 0.08 0.11 57A-!!l97 100 1.020 0.08 Samples Collected: 6 -2 1 -5 7 Samples Received: 6 -2 5 " 57 Samples Reported: 7 "2~57 Th e le v e ls of con cen tr ation of le a d in th e se sam p le s of u r in e a r e w ith in n orm al lim its fo r the volu m es in dicated. Th e r e su lt s provide no eviden ce of u n u su al o r h azar d o u s ab so r p tio n of le ad . In asm u ch a s th ey a r e all ab o ve th e m ean n o r m al le v e l th e r e su lt s su g g e st (but do n ot p r o v e , b e c au se of th eir sm all n um ber) th at th ese m en h ave ab so r b ed som e sm all qu an tities o f lead r ecen tly . (Th e v alu es a r e n ot e x p r e sse d in an y m ath em atical relation sh ip to the sp ecific gravity of the sam p le s, for the r eason th at th is p roced u re is h igh ly m islead in g e sp e c ially when th e gr av it ie s a r e eith er e xtr e m e ly h igh o r e xt r e m e ly low . ) Sign ed : R o b er t A . Keh oe', M . D . 0005099 N 7240 /' 6 Ju ly 3, 1957 D r . Stew ar t L . Ran kin M edical A d visor P etr oleu m Ch em icals D ivision E . I. Du Pon t de N em ou rs an d Co. , Inc. W ilm in gton 98, D elaw are D ear D octor Ran kin : I am sen din g you h erew ith th e r e su lt s on th e u rin e of th e follow in g e m p lo y e e s, t o ge t h e r w ith an in t e r p r e t at io n of th e r e su lt s an d an in voice coverin g the cost of an aly sis: ef En c. Very tru ly y ou rs, E. E . Fo r tlage , Secretary to D r . Kehop. KB