2 JI- "The Journal (Wall Street Journal) said ‘the uproar grew louder...when IST Said that hir. Prisque (IBT's former presi- dent) had inadvertently ordered the shredding of hundreds of records reauested by the SPA. Among the shredded data were seven long-term studies on the cancer-causing potential of substances used in plastics, herbicides, and cyclamates, the artificial sweeteners. ' By November, 1980, a Canadian reporter had learned from ZPA official Dr. Diana Reisa that nearly 250 of 600 studies done by IBT-— and later reviewed py U.S. and Canadian authorities — were found invalid. Reisa said 99 per-cent of long-term studies were invalid. Other problem areas are: Tests for birth defects — 76 percent invalid Tests for mutations — 50 percent invalid Tests on toxic effects to the nervous system — 50 vercent invalid Tests to determine the toxicity of chemicals if swallowed, breathed or absorbed through skin — 30 percents invalid Medium-term tests for a variety of effects ~ 50 percent invalid," In addition to the fact that many cf tne chemicals being used in Port Coquitlam varks and school grounds are on the IBT List and therefore suspect as to safety, long-serm and short-term, the following data has been collected by the Committee, much of it with the help of Dr. Ruth Shearer, whose report of January 1980, commissioned by the City of Seattle, the Univer of ‘lashington, Washington State Department of Zcology, and th Municipality of Metropolitan Seattle (Metro), is included as Substantial written data on 2-4) and Casaron (Attachment T). Since her study of January 1980 for the City of Seattle, et al., Dr. Shearer has done extensive literature reviews and test appraisals of numerous pesticides, using as her evaluation standard the 1978 proposed guidelines set out by the U.S. (Znvironmental Protection Agency), required for laboratory tests to be considered valid and creditable. a. P.A,