Toulmin Method

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The writer's first reason has to do with the danger of using herbicides. In support of this reason (in paragraphs 3 and 4), she offers several pieces of evidence:

Identifying the Evidence:

1. In paragraph 3, a statistic (from her source, Bormann, Balmori, and Geballe) indicating how many pounds of herbicides and pesticides Americans use each year.
2. In paragraph 4, her experience with the prevalence of lawn chemical use in Ohio.
3. In paragraph 4, her reference to the yellow warning flags now used in Ft. Collins when lawns are being sprayed.

Examining the Evidence:

• Is the Evidence Sufficient?
• Is the Evidence Credible?
• Is the Evidence Accurate?