to SHELL CHEMICAL COMPANY - HOUSTON PLANT - MANAGER SAFETY AND TRAINING MR.

to DEER PARK MANUFACTURING COMPLEX GENERAL MANAGER MANUFACTURING COMPLEX MANAGERS MARTINEZ WILMINGTON NORCO REFINERY MANAGERS ANACORTES ODESSA/CINIZA (2) .

SC-100^ if?

Wednesday September 5, 1979 Part IV Environmental Protection Agency Requirements for Preparation, Adoption, and Submittal of State Implementation Plans; Approval and Promulgation of State Implementation Plans LAM 012081 51924 Federal Register / Vol. 44, No. 173 / Wednesday, September 5, 1979 / Proposed Rules ENVIRONMENTAL PROTECTION SUPPLEMENTARY INFORMATION: _ not cause significant deterioration of air AGENCY 140 CFR Parts 51-and 52] |FRl 1300-6] " - ".. ^ Requirements for Preparation,' Adoption, and Submittal of SIP's; .

: 5 nT-'w 'r - '-w 1T'E3 XAC O --*H-*V ^.

Houston, Texas 77052, September 1, 1976 MEMORANDUM Mr.

f;' >r, fU`l"f v ) Va: SHELL OIL COMPANY date February is, 1975 PLAINTIFF'S EXHIBIT 70 HEAD'office - MANUFACTURING SAFETY AND HEALTH - MANAGER mom REFINERY SUPERINTENDENT MARTINEZ MANUFACTURING COMPLEX suB-Ecr EMPLOYEE EXPOSURE TO FREE SILICA Please refer to your letter of January 9, 1975, advising us of the overexposure of sandblasters to free silica wearing air-supplied respirators and recommending that we evaluate our sandblasting operations with air sampling.

UNION CARBIDE CORPORATION MINING AND METALS DIVISION 270 PARK AVENUE, NEW YORK, N.

I INTERNAL CORRESPONDENCE METALS DIVISION yc> i " P. 0.

******* DRAFT ******* PLAINTIFFS EXHIBIT Mr.

Marketing Group Metals Division Union Carbide Corporation Niagara Falls, New York 14302 December 2, 1977 MEMORANDU M TO: Mr.

Photo By Jim Cruz >g cover that is fleeting i no th Street. om Page 1 ay wishes for a ' a century to rom all your N!

February 12, 1979 To: Mr.

mBBSM

UNION CARBIDE CORPORATION CHEMICALS AND PLASTICS l'.