The doctor stated that the lead entered his body through his nose, ears, eyes, etc. and that It was affecting his heart beats."

Lead Analyses URINE Analysis Number Volume Specifi c Gravi ty Mg.

They seam to bo in no way concerned with the toxic properties of tetraethyl lead, and also seem to feel that their experience in handling this typo of^ ^ a ^ ualifles them competely.

On this point is where I will need some help from you, in your study of lead poisoning have you embraced the subject of en cephalopathy, and if you have, can you qualify as an expert on this particular phase of lead poisoning.

control measures The safety engineer as well as the doctor should be informed a to should where he obtain the technical per sonnel to do the sampling de tailed study of the environment and engineering personnel to render as sistance in the control of exposure Such assistance may be obtained from the industrial hygiene divisions of either the health or labor departments of many states Some city governments likewise have industrial hv governmental giene bureaus In addition to these agencies have on many insurance carriers their staffs men who are capable of sampling and rendering engineering assistance Private consultants are also available or you may find that an industrial hygienist is employed by your own organiza tion 1948 National Safety News February 20 and outside views of vapor blasting ipment Fine silica and water under presgareare used Cabinets must be maintained gqthat leakage of mist does not occur Local exhaust ventilation of soldering ar operations The discussion will be limited to e_ principles of industrial hygiene relate fume and dust ex- to indicate what control are available or used to + the employee's health and to attention to operations and maals which are commonly used in , at the same time indicating nerally accepted opinion as to their iy ing For this discussion fume may be considered to be particulate matter in size 125,400 microns are equiva- lent to one inch es conditions are improved for formed by the condensation of a va- Generally speaking there are two sons other than their effect upon por A molten bath of lead at a high means of entrance of toxic com- alth Better products better emplayee relationship reduction in intenanceof equipment may be intenance as justification for manage ment's decisions for such correction temperature causes the metal to vola- tilize and form a vapor Upon contact with the cooler surrounding atmosphere condensation occurs and the physical state changes from vapor to pounds into the human body ingestion or via the respiratory tract through inhalation of fumes dusts mists or gases Ingestion is of im- portance if toxic materials which | Definitions a solid metallic particle have a systemic effect are used and a While dust is also a solid particle adequate washing facilities are not Laymen " frequently designate as it is formed by the disintegration of provided or where the employees any vapor fog gas etc. they solid materials by grinding crushing are slovenly in personal habits encounter In industry the plat- abrasion or similar action Inhalation is considered and the most mist over a chrome tank the Fume particles generally small importaponrtatl of entry of fumes or gases at a cleaning . in diameter with the size dependent or dusts and the particle size there- ration or the exhaust gases from upon the type of fume extent of fore becomes significant in evaluat- uck frequently referred as - flocculation and other factors Dust ing exposure The particles which - the To industrial hygienist particles of hygienic significance are cause the physiological changes are :.

Methyl chloroform was most often sold containing inhibitors but the group didn't want to even consider mixtures which could be different and proprietary for each manufacturer Methyl committee agreed on MAC of 20 ppm but Stokinger thought 30 would be okay Chromic chromates c.m suggested for nasal perforation hazard and Nelson recommended a statement that this was not intended as protection from lung cancer Lead-0.2 c.m for metallic lead and most lead compounds Some discussion of lead silicate Acetylene tetrabomide mentioned paradichlorobenzene 75 ppm recommended because the pain level was over 80 ppm Irish Dow Hatch said highest silicosis dust risks should have a limit of 2 MPPCF Other discussion on stepwise MAC's based on free silica content Lanza and Drinker reports considered Sponsorship individual standard had a sponsoring organization outside ASA Autonomous standards committee set up in 1938.

Bear Claire, 1 am submitting herein a report and history on the recent lead poisoning case at the Gulf Oil Carp* Terminal# llorfolk, ?

Minutes of Regular Monthly Meeting of the BOARD OF DIRECTORS of NATIONAL LEAD COMPANY held at No.

Oxide ) Metrox Oxide: Red Lead Red Lead Electrotype Metal Babbitt Metal ' Caulking Lead Antimonial Lead LCL shipments Carload shipments LCL shipments Carload shipments All Sales All Sales All Sales All Sales ff 00 per ton .00 per ton 50 per ton 00 per ton $5 .00 per ton $5.00 per ton $2.50 per ton $1.50 per ton It is understood that In his capacity as a Broker and an independent contractor all expenses incurred hereunder by Broker.shall be paid by him* GL DO 10 780 '3'

i'1 /K-'c.wa CeAteCir ' ANACONDA COPIER MININC COMTMY APPROXIMATE PRODUCTIONS FROM 1396 THROUGH 1944 THROUGH CONPANY AND SUBSIDIARY FLANTS Copper Pounds Zinc Including Zinc In Dross Pounds Lead Founds 18?

As you doubtless llcnov, ve have studied the problem of lead poisoning for a good many years.

Impression The illness was probably due to the absorption of gasoline or lead vapors.

Company Six-truck tunnel dryer for Lead Chemicals Dept., Mack tractor and Highway semi-trailer, Additional power factor corrective equipment, Overexpenditure, construction of new oil refinery.

Furchei- Observations on the Ingestion of Lead by Normal Human Subjects1, ^he Daily Ciel Lounge Compatible vith a Balanced Lead Metabolism, by .. ober l A.

tbe Whited Lead Co.