Inversion of the R-spike with bradycardia is shown iu the record from dog 6, lead II, chart 1.

ire cases* The lead content of both blood and urine may vary from time to time to such an extent that repeated observations may be necessary in order to give a certain significance* In our experience spot samples of urine taken at different times of the day and on different days ars subject to fairly wide variation* Consequently we do not like to draw too strong conclusions from a siinlgle spot sample *Where it is feasible, uc try to obtain a samlppjllse which will represent the urinary output over a period of "LfBill to *JZ hours* In such a sample the hour tc hour variations will bo ironed out and we have reason to believe that in such a sample we are dealing with an average secretory condition* A lead content- in the urine of one tenth o__f a milligram or more per liter is obviously significant of *.*. comparatively recent exposure to lead, and' if the. quantity is in cess of ;wo*tenths of a milligram per liter* we feel certain that wo are dealing with significant load closure* Hot all persons with this level of load excretion show symptoms* A very large proportion of persons with symptoms snow levels of this order of magnitude* .

ANACONDA SALES COMPANY GENERAL LEDGER TRIAL BALANCE - MAY 31ST. 1938 Accounts Receivable - Customers Notes Receivable Accounts Payable - Customers New York Office Sales: Zinc Oxide White Lead Iead-in-Oil Purchases: Zinc Oxide White Lead Lead-in-Oil Dr. $ 40,345.03395.33- Cr. $ 94.90 40,645.46 59,689.79 31,961.50' 16.207.60- 59,889.79 31,961.5016,207.60- ________ $148,799.25 $148,799.25 RECAPITULATION 0?

Primer sJhite Zinc Lead Zinc Mag.

There is on man in the group, nemely Mr* Sco t t , who h as a conhination of fin din gs which are ` suggestive of sign ifican t lead exposure* I think we should KB GO. 4O ^ .

Impression Lead intoxication.

Lead Poisoning February 1932 started work on molten lead spraying operation which consisted of sty-acetylene torch through which wan fed a lead wire under pressure so that the torch would project a spray of finely divided molten lead on objects to be coated.

Detroit White Lead Works Lowe Brothers John Lucas k Co., Inc.

sni >nUL Expeuee - Lead Fefialng Eepartcet*.: 'nlori Zsit Chicago Office 5}nUMi Espsr.spu * lino uxid* Lapartccct In Tori bit Chicago fcctliloi. for .'

sni >nUL Expeuee - Lead Fefialng Eepartcet*.: 'nlori Zsit Chicago Office 5}nUMi Espsr.spu * lino uxid* Lapartccct In Tori bit Chicago fcctliloi. for .'

ANSWER: Peter Montague (a) Yes (b) No (c) OBJECTION: This is overbroad, burdensome, vague and not reasonably, calculated to lead to the discovery of admissible evidence. 6.

LEAD INDUSTRIES ASSOC. 292 MADISON AVE, NEW YORK.

Maston, Tice President Eagle-Ploher Lead Goapany Teuple Bar Building Cincinnati, Ohio.

SHRgP ACJ mm LEAD ft.

Taylor has just completed the lead in urine determinations for your three Tetra-ethyl Lead workers, and they do not appear to have inhaled or swallowed much of the ethyl.