Document wqQ7RqwNV523NEBwy9pkL6Ngd

November 14, 1975 Mrs. Hazel M. Graham Library Clerk Health Services Division Community Pesticide Study Project P. 0. Box 190 Wenatchee, Washington 98801 Dear Mrs. Graham* In response to your letter of October 15 I am enclosing the American Society for Testing and Materials' method for analysis of environmental materials for polychlorinated biphenyls. This is the same aB the Monsanto methodology you requested. I hope you find this information helpful. If I can be of further service please let me know. Sincerely, WBPspd V. B. Papageorge Manager, Product Acceptability Process Chemicals Division 0004947 3k ( WATER PCB-00042812