Metallizing operatione, lead burning, Band bleating and pipe re con ditioning -- all prceent potential industrial hygiene problems.

CELANESE CHEMICAL COMPANY Chemcel Plant Bishop, Texas To: R.

Stripping of lead Lead cables Rubber dusting Talc Asbestos Mi ca Zinc Stearate Back injury as the result of lifting or moving heavy reels Hearing Irrpai rment Dermatitis Nondebilitating emphysema Skin irritation and bums Lung irritation, inflammation, and possibly, bronchitis or permanent lung damage Lung Cancer Lung Fibrosis (Asbestosis) Mesotheliomas (cancers on the membranes lining the lungs and abdominal organs) Cancers and damage to various organs including lungs, liver, kidneys, and bladder due to in halation, ingestion or absorp tion of chemicals through the skin.

Stripping of lead Lead cables Rubber dusting Talc Asbestos Mica Zinc Stearate Back injury as the result of lifting or moving heavy reels Hearing Impai rtnent Dermatitis Nondebilitating emphysema Skin irritation and bums Lung Irritation, inflammation, and possibly, bronchitis or permanent lung damage Lung Cancer lung Fibrosis (Asbestosis) Mesotheliomas (cancers on the membranes lining the lungs and abdominal organs) Cancers and damage to various organs including lungs, liver, kidneys, and bladder due to in halation, ingestion or absorp tion of chemicals through the skin.

STATE OF TEXAS COUNTY OF TRAVIS I I I CERTIFICATE I, che undersigned, hereby certify that in my official capacity as General Counsel, Texas Department of Health, I am authorized to make this certification. 1 further certify that the attached is a true, correct and exact copy of the following described document: Occupational Health Regulation No. 3 entitled "Maximum Permissible Concentrations of Atmospheric Contaminants in Places of Employment" as adopted by che Texas [State] Board of Health on June 9, 1958, effective July 1, 1958, ", *' as contained in che official records of the Texas Department of Health.

RULES AND REGULATIONS 23541 HterUl- Actual ecu- eenuatiou of S- hoar axpocure R-hpu; time Weighted ai^>oaif Tiste O-X--Oostlaood Aabstmnoa p.p-iu.*" mg.

TOXICITY SAFETY AND WILPARf ENGINEERING STANDARD 77 MAXIMUM ACCEPTABLE CONCENTRATIONS 1EBUCO OP AIR CONTAMINANTS APRIL INI 4KVIIC0 MAT \Ht S 2T Fay# 1 of 5 J!

POTENTIAL FOR HAZARDOUS EXPOSURE HIGH MEDIUM LOW Aluminum Chloride Toluene Nonene Hydrogen Chloride Xylene Naphthalene Benzene Eicosine Acetylene Chlorine Caustic Soda DiaIkylbenzene n-paraffins Dodecylbenzyl chloride Diphenylalkane Methyl cellosolve Dodecylbenzyltrimethyl ammonium chloride Calcium Carbide Formaldehyde Dodecylbenzene Thiourea Ammonia bis(chloromethyl) ether Tridecylbenzene n-chloroparaffins Sulfonated coker gas oi Sulphur dioxide/sulphur trioxide VEV-221464 --3 POTENTIAL FOR HAZARDOUS EXPOSURE (Continued) HIGH Isopropyl alcohol MEDIUM Dodecene LOW Mercury Trimethylamine Asphalt distillation product (Chevron) Carbon black Gasoline (Citco) Asbestos Tetraethyl lead (Citco) Sulfuric acid If we proceed with the study I believe we can help out by supplying the time intervals each of these chemicals were in the plant.

The basis for Title III notification to the State Emergency Planning Commission includes the following chemicals which exceed the threshold planning quantities: ammonia, chlorine, hydrogen flouride, hydrogen sulfide, manganese, sulfuric acid, and tetraethyl lead.

MEMORANDUM TO: FROM: DATE: RE: Pittsburgh Associates George Heym Pittsburgh Paralegals JMS September 21, 1998 Eisenreich/US Steel Approximately a week ago, i issued a memo advising all of the associates and relevant parties to read the rather lengthy US Steel memo which I prepared.

Examples which show this wide variance are mercury vapors, tetraethyl lead, nickel, iron, and cobalt carbonyls, and hydrogen sulfide.

Silicone Tetraethyl lead or compounds containing silicon/may poison Compounds combustible gas sensors, and give inaccurate readings.

3 PLAINTIFFS I EXHIBIT | EPG-6 STATE OF TEXAS COUNTY OF TRAVIS I I I CERTIFICATE I, the undersigned, hereby certify that in my official capacity as General Counsel, Texas Department of Health, I am authorized to make this certification.

She expenditures in this direction decreased in 19^5 to (partly by reason of the pressure of vork for others, and partly because one carefully planned program of investigation of lead metabolism came to an end in the middle of that jeer;, increasing again to the peek of 488,272.00 in 19^6* Despite this trend, the work done for other industries has increased at a disproportionately high rate, so that in 19E6 only 52 per cent of the expenditures of the Laboratory vere incurred in investigative work for Ethyl corporation.

t Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL INDUSTRIAL HYGIENE FOUNDATION MELLON INSTITUTE 4400 FIFTH AVENUE PITTSBURGH 13.