(conoco) RECEIVED Interoffice Communication To T.

TO: Distribution L cv/.

Cr6/I TO: DRAFT FROM: DATE: Interoffice Communication SUBJ: R.

TO: Environmental Coordinators Safety Directors FROM: DATE: Interoffice Communication suBJ* T.

TO: Distribution JJH: 1GL: TSG'- RF Interoffice Communication FROM: DATE: SUB J: T.

Vista Chemical Company 15990 N.

Vista Chemical Company 15990 N.

JCL: TO: Wayne Hilgers Interoffice Communication FROM: Tom Grumbles DATE: October 15, 1984 SUBJ: MATERIAL SAFETY DATA SHEETS: LMR SPECIALTY ALKYLATES VIS1A This letter is to confirm our conversation regarding the consolidation of current LMR MSDSs.

To: Distribution UO.

TO: MSDS Binder Holders Oo;A'g_ FROM: DATE: Interoffice SUBJECT: Communication Tom Grumbles July 7, 1985 NEW MATERIAL SAFETY DATA SHEETS VISTA Enclosed are Material Safety Data Sheets for the following new products: VISTA MR Solvent VISTA N6LB Specialty Alkylate VISTA C-640 Slurry Please place these in your binders and add them to the index lists

TO: Distribution rn Interoffice Communication FROM: DATE: SUBJ: T.

Natural Resources Defense Council 1350 New York /\re,, .V.

j The Vinyl Institute ri Roy T.

Exposure Monitoring and Control--Coal Mines U TECHNICAL DUST SUPPRESSION METHODS IN COAL MINES IN THE FEDERAL REPUBLIC OF GERMANY DEPENDING ON THE CONDITIONS OF THE DEPOSITS AND THE MINING DEVELOPMENT K.R.

APPENDIX D METHODS FOR CONTROLLING RESPIRABLE COAL MINE DUST FROM OVERBURDEN DRILLING AT SURFACE COAL MINES This appendix focuses on methods of reducing excess respirable dust exposures during overburden drilling, the activity that places surface coal miners at the greatest risk of exposure to respirable crystalline silica.