Any reference to the "PEL" in this document refers to the arsenic or lead PEL.

., Chicago In discussing the determination oi injuri ous dusts, fumes, gases and vapors, I am very sure that you are not interested so much in a meticulous dissertation on such phases of the subject as whether the loga rithm of the reciprocal of the hydrogen ion should be 9.5 or 9.0 for the determination of lead by the dithizone method, but rather in a discussion of this matter along broad tines, pointing out what types of potentially injurious materials should be looked for, whether determination of them is in order, a brief discussion on some of the more im portant and common methods oi determina tion, and interpretation of the results ob tained.

nm m -m nm i H H H iM m n iJM INOUSTftUL HVQlCNt J'OUHOATION FOUNDATION FACTS Foundation Faets is a monthly nw.tetter issued to industrial concerns holding membership In Industrial Hygiene Foundation.

Hence th e p u b lic -h e altn question a rise s: W ill the use of lead fo r th is pur pose cause lead poisoning in those breath in g the exhaust gases?

For every REFRASIL wrapped lead, more than nine asbestoswrapped leads could be required.

Hence th e p u b lic -h e altn question a rise s: W ill the use of lead fo r th is pur pose cause lead poisoning in those breath in g the exhaust gases?

The basis for such objections are that any responses would be irrelevant to the subject matter ofthe pending litigation, would not be reasonably calculated to lead to the discovery of admissible evidence, and would be burdensome and oppressive to NSRC.

The basis for such objections are that any responses would be irrelevant to the subject matter of the pending litigation, would not be reasonably calculated to lead to the discovery of admissible evidence, and would be burdensome and oppressive to NSRC.

Defendant further objects to this Interrogatoiy on the grounds that it seeks information that is neither relevant nor reasonably calculated to lead to the discovery of admissible evidence.

The basis for such objections are that any responses would be irrelevant to the subject matter of the pending litigation, would not be reasonably calculated to lead to the discovery of admissible evidence, and would be burdensome and oppressive to NSRC.

RBB 00473 Table A A-300 B BH BS Page 600 Voit Rheostat Wire............................................................. 300 Volt Rheostat Wire, High Temperature........................ 600 Volt Switchboard Wire (Solid) ....................................... 600 Volt Switchboard Hinge Cable....................................... 600 Volt Switchboard Wire (Stranded).................................. 20 24 17 18 17 C CL E EL EMA 600 Volt Lighting Wire (Solid) ............................................. 600 Volt Lighting Wite--Lead Sheathed .............................. 600 Volt Power Cable--Single Conductor.............................. 600 Volt Power Cable--Lead Sheath, Single Conductor...... 1000 Volt Lead Wire................................................................... 12 14 9 15 27 FS FSB H HL L 300 Volt Fixture Wire............................................................... 300 Vote Fixture Wire (Braided) ........ 5000 Volt Power Cable, Single Conductor................... 5000 Volt Power Cable, Lead Sheath, Single Conductor 600 Volt Motor Lead and Apparatus Cable .......................... 25 25 9 15 13 LH-LHV LHG-LHT MD ML Industrial Heating Cable........................................

Abex further objects to these interrogatories to the extent they purport to seek information or materials unrelated to Abex's alleged liability in these actions and are not reasonably calculated to lead to the discovery of admissible evidence.

Lead Sheached 600 volt A.V.C.

Eagle RTU White Lead Paint.

s RBB 00473 Table A A-300 B BH BS Page 600 Volt Rheostat Wire............................................................. 300 Volt Rheostat Wire, High Temperature........................ 600 Volt Switchboard Wire (Solid) ....................................... 600 Volt Switchboard Hinge Cable....................................... 600 Volt Switchboard Wire (Stranded).................................. 20 24 17 18 17 C CL E EL EMA 600 Volt Lighting Wire (Solid) ............................................. 600 Volt Lighting Wire--Lead Sheathed.............................. 600 Volt Power Cable--Single Conductor.............................. 600 Volt Power Cable---Lead Sheath, Single Conductor...... 1000 Volt Lead Wire................................................................... 12 14 9 15 27 FS FSB H HL L 300 Volt Fixture Wire............................................................... 300 Volt Fixture Wire (Braided) ....................................... 5000 Volt Power Cable, Single Conductor................... 5000 Volt Power Cable, Lead Sheath, Single Conductor 600 Volt Motor Lead and Apparatus Cable.......................... 25 25 9 15 13 LH-LHV LHG-LHT MD ML Industrial Heating Cable.................... ..