Clemett -2- 1 June 1983 GENERAL DISCUSSION Over the last 10 years industrial hygiene issues at the Arizona Proving Grounds have included: o Employee exposure to asbestos from brake evaluation and rebuilding operations o Employee exposure to asbestos from pipe and vehicle insulation 'o Oust exposure from truck durability tests o Carbon monoxide exposures from emission testing o Organic lead exposure at the fuel laboratory o Whole-body vibration exposure from light truck durability testing Because of changes in tests conducted, only the asbestos brake exposure issue remains open.

Northwestern is one of this coun try's leading academic and scientific institutions with experts in medical and related fields and is eminently qualified to undertake such a project.

A finding of high rates of brain cancer and malignant melanoma among workers at the Rocky Flats Nuclear Weapons plant in Colorado leads a speaker at the meeting to call for inde pendent and comprehensive epidemiological in vestigation of nuclear workers (p. 465).

Leave existing lead compliance signs in place. b.

DeBernardi Date Subject January 15, 1980 Certain-Teed VCM Quantity Determination With reference to your letter of December 11, 1979 on this matter, there appears to be three options available to us that should lead toward solving the problem. 1.

There will certainly be sufficient lead time prior to a SIP revision for us to take precautionary steps if they are warranted.

., and Vista Chemical Company, and the Consent Decree entered in the above action, we hereby provide notice of recently-discovered information which may lead to the filing of an Environmental Claim.

. ------ Cafeteria Conference Room PMSB Notes Texas City is leading MFI in safety.

This leads us to inquire if these samples were possibly inadvertently mis- ASARCO Incorporated 3422 South 700 West, Sal?

Aluminum, Ammonium sulfate plants, Cement industry, Coal, Copper, Electric power plants, Glass and glass products, Grains, intergovernmental relations, Iron, LeAd, Metals, Motor vehicles, Nitric acid plants, Paper and paper products industry, Petroleum, Phosphate, Sewage disposal, Stgel sulfuric acid plants, Waste treatment and disposal, and zinc.

Nitrogen dioxide, Lead, Particulate matter, Carbon monoxide.

The Exposure Assessment Task group will take the lead in reviewing the issues raised in the litigation.

Arc welding leads which are to be taken into a vessel or confined space must be checked for damaged insulation prior to entry.

., and Vista Chemical Company, and the Consent Decree entered in the above action, we hereby provide notice of recently-discovered information which may lead to the filing of an Environmental Claim.

A Competent Person may delegate responsibilites but he must be the lead contact and retains ultimate responsibility.