All other products would be prepared by transferring the required quantities; of 90 Octane gasoline and base stock to the small tanks, b) It would be possible for you to use 55 gals.drpras of Ethyl Fluid containing 130,000 c.c. of Tetraethyl Lead instead of 10 gals>druras con taining 20,000 c.c.

Med* lB, 1^9-191 (May, 1949) The author cites the cases of the radium dial painters, the develop ment of tetraethyl lead, the construction of the Holland Tunnel, and the work on refrigerants as examples of the application of research to indus trial hygiene problems.

If a storage tank has contained leaded gasoline subsequent to its last thorough cleaning, follow instructions of manu facturers of tetraethyl lead 2 Have available the required personal protective equipment fresh air hose masks approved flashlights, safety belts and life lines, rubber boots and gloves 3 Remove all sources of ignition (matches, open flames, smoking, gas engines, welding, exposed electrical wiring and equipment) from the vicinity of the tank 4 Where gas or vapor that is likely to be ignited by a spark is present, use tools and equipment of spark-resistant mate rial such as wood, fiber, bronze, stain less steel.

Steel and Kaiser Aluminum The question was asked of the medical directors what type of protective clothing program was in force in their corporations to protect employees from both carcinogenic agents as well as other potentially harmful materials All of the companies responded some in more detail than others In summary we may make the following conclusions 1 All the major companies do furnish protective clothing to various employee groups The decision to furnish clothing is based upon the potential hazard of the materials handled The chemical and oil companies are protecting employees against materials that may soak into an employee's clothing and be absorbed through the skin Memo to file September 7 Page 2 1977 Others are concerned with an employee exposure as well as a family exposure to such items as toxic dusts including lead Most large firms also furnish specialized protective clothing which will protect an employee against heat cold flame molten metal water chemical splashes etc.

or mppcf Benzene Butyl mercaptan Cristobalite* Tridymite* Ethyl mercaptan Heptane Methyl mercaptan Octane Oil Mists* Pentane Petroleum distillates Quartz Stoddard solvent Tetraethyl lead Tetramethyl lead C 25 10 250 mppcf 10 0.5 *Downward revision by a factor % siOo+5 10 200 id 200 of 2.5 ?

factor 0.5 500 0.5 400 * Collected by electro- static precipitator If vapors involved apply appro- priate TLV 500 A6 10 mg % Resp free 102 alternative mass formula Respirable free Si-as defined by Arcodynamic Diameter Minimal unt density sphere % micra Collected < 2.0 90 2.5 75 3.5 50 5.0 25 10.0 ) Stoddard solvent 500 200 Tetraethyl lead Tetramethyl lead 0.075 0.075 Downward revision " 28282 OOO BOSC Se Be BO 2 2 Se 624 24222 2ES C782 SFSER PINES SED On We eewe eee Fae ?

Sayers 18, 169-191 "(May, 191*9) The author cites the cases of the radium dial painters, the develop ment of tetraethyl lead, the construction of the Holland Tunnel, and the work on refrigerants as examples of the application of research to indus trial hygiene problems.

However, you will I am sure be interested to know that we have unfortunately had one mild case of tetraethyl lead poisoning at Ellesmere Port, resulting from the accidental disconnection of. a man's air'line,-and inadequate safety supervision'.

Med, 18, 109-191 (May, 194-9) The author cites the cases of the radium dial painters, the develop ment of tetraethyl lead, the construction of the Holland Tunnel, and the work on refrigerants as examples of the application of research to indus trial hygiene problems.

Med, 18, 109-191 (May, 194-9) The author cites the cases of the radium dial painters, the develop ment of tetraethyl lead, the construction of the Holland Tunnel, and the work on refrigerants as examples of the application of research to indus trial hygiene problems.

"Each Another hazard to jet airmen is from th tetraethyl lead used in many jet fuels.

Rankin, and have been familiarizing them with the problems and the procedures associated with the control of the hazards of the transportation of antiknock compounds containing tetraethyl lead, as well as all of the other associated problems which arise in refinery and field operations.

* ^ m 1-the use of ';Brat.ish' tetraethyl lead /pois|| find out.the present Stibn :in^re^rd?

or mppcf Benzene Butyl mercaptan Cristobalite* Tridymite* Ethyl mercaptan Heptane Methyl mercaptan Octane Oil Mists* Pentane Petroleum distillates Quartz Stoddard solvent Tetraethyl lead Tetramethyl lead C 25 10 250 mppcf 10 0.5 *Downward revision by a factor % siOo+5 10 200 id 200 of 2.5 ?

Med, 18, 109-191 (May, 194-9) The author cites the cases of the radium dial painters, the develop ment of tetraethyl lead, the construction of the Holland Tunnel, and the work on refrigerants as examples of the application of research to indus trial hygiene problems.