Dear Doctor Calandra: I have considered for some time whether I should write to you in relation to the problem presented by the projection of another chemical manufacturing company into the manufacture of tetraethyllead and, perhaps, other lead alkyls,.

. // ^__ ^ t2 4 Standard Caution--Cautic^ris printed on the label jjfplack/and is to & -----4--be used for all products except taose_jdntaining lead or other harmful compounds.

The common uses of commercial PCB would not normally lead to its release into the natural environment.

ORNL/TIRC-76/8 Lead Analysis: literature Collection, 1966-1976.

Production Costs $ 2,500 5, 000 3,500 10,000 32,000 2,000 $ 4,000 $55, 000 NL 000040064 1961 Advertising Recapitulation and Comparison with 1960 (Eastern Group only) Media Magazines Newspapers Television Business Papers 1961 Budget $ 631,041 60,000 23,000 $ 714,041 1960 Budget $ 369,172 220,000 19,785 $ 608,957 Advertising Through Dealers $ 654,000 $ 675,000 Contractural Agreements $ 4,000 $ 10,500 Administrative $ 55, 000 $ 67, 500 Contingency $ 30,000 $1,427,041 $1,,391,957 1960 Expenditures $ 377,352 210,298 24, 530 $ 612, 180 $ 639, 360 $ 5, 655 $ 52, 767 $ 7, 890 $1 , 317,852 | NL 000040065 1961 PAINT BUDGET PACIFIC COAST 000040066 Cooperative Advertising Production Costs General Advertising Trade Paper Advertising Dealer Presentation Classified Directory Listings Export Advertising Displays & Exhibits Booklets 8t Folders Promotional Material Dealer Signs Company Store Signs Company Store Displays Company Store Advertising Color Cards Admini strative Schorn Division National Lead Co. of Hawaii 1961 Budget $ 63,000 6, 000 127,000 6,000 6,000 15,500 -- 12,500 10,000 5,000 16,000 7, 500 5, 500 8,000 90,000 37,500 $415, 500 30,000 10,000 $455,500 1961 Advertising 1960 Budget $ i>7, 500 6, 500 123,000 5, 700 6,000 15,000 500 14,500 5,000 1, 600 12,000 7, 600 5, 500 4, 000 90,000 40,500 $404, 900 26,000 10,000 $440, 900 1960 Expenditure $ 58,000 5, 100 124, 000 4,000 5,200 15,000 -- 10,000 11,300 5, 500 17,100 8,000 2, 200 8, 000 84,000 36,100 $393,500 23,000 9,000 $425,500 NL 000040067 1961 Advertising Eastern Group Pacific Coast COMBINATION RECAP TOTAL PAINT BUDGET 1961 Budget $1,427,041 $ 455,500 1960 Budget $1,391,957 $ 440,900 1960 Expenditures $1,317, 852 $ 425,500 3 / f F NL 000040068

Ridge Roll A general review of ridge roll manufacture did not resolve the problems which lead to the discontinuation of this product.

As a matter of fact, X believe that the first sentence of the same paragraph that disturbs you, namely the one beginning "Early medical studies" will lead to much more difficulty in the courts than the area you raised the question about because of the use of the word "excessive concentration".

Production Costs $ 2,500 5, 000 3,500 10,000 32,000 2,000 $ 4,000 $55, 000 NL 000040064 1961 Advertising Recapitulation and Comparison with 1960 (Eastern Group only) Media Magazines Newspapers Television Business Papers 1961 Budget $ 631,041 60,000 23,000 $ 714,041 1960 Budget $ 369,172 220,000 19,785 $ 608,957 Advertising Through Dealers $ 654, 000 $ 675,000 Contractural Agreements $ 4,000 $ 10,500 Administrative $ 55, 000 $ 67,500 Contingency $ 30,000 $1,427,041 $1,,391,957 1960 Expenditures $ 377,352 210,298 24,530 $ 612,180 $ 639,360 $ 5, 655 $ 52, 767 $ 7, 890 $1 ,317,8521 MU 000040065 1961 PAINT BUDGET PACIFIC COAST 000040066 Cooperative Advertising Production Costs General Advertising Trade Paper Advertising Dealer Presentation Classified Directory Listings Export Advertising Displays & Exhibits Booklets 8t Folders Promotional Material Dealer Signs Company Store Signs Company Store Displays Company Store Advertising Color Cards Admini strative Schorn Division National Lead Co. of Hawaii 1961 Budget $ 63,000 6, 000 127,000 6,000 6,000 15,500 -- 12,500 10,000 5,000 16,000 7, 500 5, 500 8,000 90,000 37, 500 $415,500 30,000 10,000 $455,500 1961 Advertising 1960 Budget $ 67, 500 6, 500 123,000 5, 700 6,000 15, 000 500 14,500 5,000 1, 600 12,000 7, 600 5, 500 4, 000 90,000 40,500 $404, 900 26,000 10,000 $440,900 1960 Expenditures $ 58,000 5, 100 124,000 4,000 5,200 15, 000 -- 10,000 11,300 5, 500 17,100 8,000 2, 200 8,000 84, 000 36, 100 $393,500 23,000 9,000 $425,500 NL 000040067 1961 Advertising Eastern Group Pacific Coast COMBINATION RECAP TOTAL PAINT BUDGET 1961 Budget $1,427,041 $ 455,500 1960 Budget $1,391,957 $ 440,900 1960 Expenditures $1,317, 852 $ 425,500 fJr / / Jm 5 * s**) 0V J t-jj/ <1 f/ / J, NL 000040068

v~l_V American Brakeblok Division This Division, operating two plants, is one ol the United States- leading suppliers of friction materials for automotive, industrial and airborne use.

Since it has been handled and used mostly (not exclusively) in connection with the handling and use of tetraethyl lead, it has had little opportunity to reveal its harmful properties, for the precautions thrown around T.E.L. for the avoidance of cutaneous contact and respiratory exposure, have been such as to provide protection from the dibromide.

The extensive controls needed for lead oxide dust, for example, would not be needed for limestone dust, since much greater quantities of limestone dust can be tolerated. 4.

Suffi cient akin contact then could lead to drying and chapping.

In Pennsylvania, accidents have been the fourth leading cause of death since 1900 and remain firmly established in this position.

Hydroquinene C Iodine Iron oxide fume Isophorono Isopropylemma 500 500 100 50 100 I 3 5 10 3 I 0 05 20 -- 01 -- 25 5 ^ Ketene . . 05 Leod -- Lead onenote Lindane (hexochlorocy- -- clohexone, gomme Isomer) .-- Lithium hydride -- Magnesium axide fume -- Malathion (O O-dimethyl diihiophosphote of diethyl mercoptosuc- dnotel--Skin -- C Manganese -- Mercury--Skin -- Mercury Iorganic com- pounds)--Skm Moiityl oxide -- 25 Methoxychler (2,2-di-pethoxyphenyl-1, l, I -hrtenloroethano) Methyl ocetote Methyl acetylene Methyl acrylate--Skm Mothylol (dtmethoxy- 200 1,000 10 methane) ...

BROWNSON: Objection, hearsay. 11 also leading and without foundation. 12 A.