FILE NAME Threshold Limit Values TLV DATE 1997 DOC TLV002 DOCUMENT DESCRIPTION Medical Journal Letter to the Editor - How Threshold Limits for Lead Were Established in the 1950s AMERICAN JOURNAL OF INDUSTRIAL MEDICINE 702-703 1997 LETTER TO THE EDITOR How Threshold Limits for Lead Were Established in the 1950s KEY WORDS lead Lead Industries Association American Standards American Industrial Hygiene Association TLN'TLsN's standard setting Association In 1955 Manfied Bowditch Health and Salety Director of the Lead Industries Association LIA arranged to be named Chairman of the group within the American Stan- dards Association ASA concerned with occupational expo- sure limits for lead This was called the Subcommittee on Lead of the Committee on Toxie Dusts and Gases of the ASA The subcommittee recommended sarsing the longaccepted standard of 0.15 mg m to lead and lead compounds in an to 0.2 more for lead sulfide and it was expected that the parent committee would accept the recommendation LIA 1956 The ASA was also useful to the lead industry in setting a sort of baby threshold mit LIA 1956 The minal proposal of the New York City Health Department to requite a poison label on all paints containing any lead whatsoever was ultimately modshed though the establishment at our instance sic of a committee of the American Standards Association which evolved a standard permitting up to one percent of lead in paints used on surfaces which might be chewed by children The LIA report went on to add that " The poison wording was also modified Di John Foulger of DuPont one of the members of the ASA subcommittee on lead later explamed the rationale for the recommendation that up to 1 percent of lead would be safe in paints chewed by mfant children It was based on information from the paint industry that one gallon of paint would cover 500 sq ft and on the assumption that only one coating of paint would be applied to the surface chewed The committee's assumptions were not limited to strictly seien- tific matters W concluded that a child would take in one Correspondence to Barry Castleman 2412 Pickwick Road Baltimore MD 21207-6631 mail bcastle hop lib md us Accepted 6 June 1997 milligram of lead if ate about one and a half to two square inches of pant It was considered also that surely the parent would notice that amount of chewing Foulger 1958 In 1957.

AFFIDAVIT CITY OF PITTSBURGH ss STATE OF PENNSYLVANIA BEFORE ME, a Notary Public in and for the State of Pennsylvania personally appeared dckwvs T&obi'cM- who stated under due oath of law as follows: am a librarian for >rary in Pittsburgh, Pennsylvania.

FILE NAME Talc TALC DATE 1997 DOC TALC027 DOCUMENT DESCRIPTION Journal Letter to the Editor RE Perineal Powder Exposure and the Risk of Ovarian Cancer NE : NE American Journal of Epidemiology Copyright '1997 by The Johns Hopkins University School of Hygiene and Public Health All rights reserved Vol 146 No. 9 Printed in U.S.A.

FILE NAME Kaiser Gypsum KG DATE 1997 DOC KG048 DOCUMENT DESCRIPTION Legal - Responses to Standard Interrogatories PATRICK J.

FILE NAME: RT Vanderbilt (RTV) DATE: 1995 May 18 DOC#: RTV032 DOCUMENT DESCRIPTION: Legal - Affidavit (in Opposition of Arthur N.

FILE NAME: Westinghouse (WH) DATE: 1996 Jan 10 DOC#: WH082 DOCUMENT DESCRIPTION: Letter to Mike Wallace at 60 Minutes from Barry Castelman Mr.

FILE NAME: American Cyanamid (AMCY) DATE: 1998 DOC#: AMCY021 DOCUMENT DESCRIPTION: Legal - Response to Interrogatories M rk S.

FILE NAME: ALCOA (ALC) DATE: 1998 Apr 1 DOC#: ALC029 DOCUMENT DESCRIPTION: Legal-Deposition of Thomas Bonney with BC Notes /T y^ y-z* / / /9 A A ' /V Z/Y 7.2-0, 26^ / w /9 /7 .> / Z - z e ^ a t ^ c - y ' z ^ i. ^ - L .'

Nobody believed Chicken Little when he screamed the sky was falling.

j'Ju le^ <3 loIW..

1 grandchildren?

1 IN RE: PERSONAL INJURY AND * WRONGFUL DEATH 2 ASBESTOS LITIGATION * 3* * * * * * * 4 KEITH K.

1 Q Now, you mentioned that there was an Page 1792 2 additional attempt at a thoracentesis, but was that in 3 May of 1993?

Page 2339 1 INDEX 2 June 4, 1996 3 4 WITNESS: Dr.

1 Q Okay.