. "* E* Deuel, The E* 1* DuPont de emours Co*, Dye Works Hospital, Pennegrove, Hew Jersey* .ly dear Doctor De\iel: Your letter of November 22d concerning the excretion of lead by tlie skin is received* The figures which are quotes in Vr* k.

TABLE C.6 (Cont'd) 181 Blood-Lead Level (pg/dL) Functional Form Parameters of Normal on LN (ATM) Distribution Mean SDa Moments of Distribution Over AJj^ E[AjQ]b SD[AJq ]c r^ of F on F Expert I, Higher SES Levels 15 Lognormal -1.18001 0.6191 0.3722 0.2544 0.9987 25 Lognormal 0.0637 0.6022 1.2776 0.8448 0.9903 35 Lognormal 0.8495 0.4110 2.5445 1.0915 0.9945 45 Lognormal 1.3198 0.3193 3.9383 1.2902 0.9970 55 Lognormal 1.4719 0.3839 4.6909 1.8692 0.9974 Expert J, Higher SES Levels 15 25 35 45 55 Lognormal Lognormal Lognormal Lognormal Lognormal 0.4542 1.0069 1.2982 1.6180 1.9489 0.4502 0.3640 0.2762 0.1991 0.1466 1.7429 2.9246 3.8053 5.1442 7.0970 0.8262 1.1007 1.0713 1.0344 1.0463 0.9620 0.9410 0.9590 0.9979 0.9923 Expert K, Higher SES Levels 25 Normal - - 1.2836 0.3485 0.9322 35 Normal - - 1.9953 0.4232 0.9993 45 Normal - - 3.5216 0.6461 0.9989 55 Normal - - 4.4858 0.7262 0.9992 65 Normal - - 6.0070 0.8948 0.9976 TEH 0413984 TABLE C.7 Summary and Comparison of Judgments and F itted Functions Concerning Lead-Induced IQ Effects 41 3985 182 hJ T3 QC CM mM3 CM _ II as en <* CN 00 4 0> CM 00 LA hJo ON Q as oc sr <n sf 3.

Hard lead has a high antimony content lead (<3.0%).

Red Lead Color...................: .................

Of concern to the coatings industry is the lead-based classification for "paint, plaster or other surface coverings con taining more than 0.6% lead by diy weight or 1.3 mg. lead per square centi meter of surface."

Known lead solutions And digested particulate sampka were analyzed for * lead at UCR and at the California Male l*uMn Ihalth Laboratory.

Lead Industries Association, Inc. 295 Madison*Avenue New York.

The National Lead Co.

Gas Taken Hgs Lead, i n Filtrate % of Lead soluble - ?.

This quantity is being east you, aa follows: Sheet Lead for Moisture Protection Lead Plumbing Lead to Control Sound and Vibration Lead for Modem Design May we take this occasion to wish you the season's greetings?

CLEVELAND LETTER 'V No. no RED LEAD IN OIL DHT RED LEAD December 17, 19k7 In Cleveland Letter #108, Item $, we asked that you discontinue taking farther orders for COP Lead in Oil.

We are now asking that you discontinue taking orders for Red Lead in Oil and Dry Red Lead.

We are now asking that you discontinue taking orders for Red Lead in Oil and Dry Red Lead.

We are sending you herewith this quantity as follows: Sheet Lead for Moisture Protection Lead Plumbing Lead to Control Sound and Vibration Lead for Modem Design May we take this occasion to wish you the season's greetings?

Loui Detroit White Lead fke. #40!