Document QeQGYa1wB16OOaL8oB5gBEn4

Weyerhaeuser Company Law Department Tacoma. Washington 08401 (206) 924-2082 October IS, 1971 Gentlemen: In response to your inquiry concerning the possibility of contamination of any of the paperboard supplied to you by Weyerhaeuser with Polychlorinated Biphenyls, we can give you the following assurances: Weyerhaeuser uses modern manufacturing techniques and is not knowingly using any product or additive in its papermaking process that contains Polychlorinated Biphenyls. In the case of recycled fiber, Weyerhaeuser is taking all reasonable precautions to avoid the use of recycled fiber so contaminated by a prior manufacturer. Weyerhaeuser is also presently conducting an extensive corporate-wide study and technical evaluation of all its mills to determine if any Polychlorinated Biphenyls are present in any of its end products from unknown sources. Very truly yours, WEYERHAEUSER COMPANY F! Paul fiunc'an, Manager Paperboard Marketing 0288135 WATER PCB-SP000000359