I recently treated my lawn with a broadleaf herbicide. Can I place grass clippings in the compost pile?

Question: 

I recently treated my lawn with a broadleaf herbicide. Can I place grass clippings in the compost pile?

Answer: 

Herbicide residues should not be a problem if the grass clippings are thoroughly composted. As an added safety measure, mow the lawn two or three times before collecting and adding the clippings to the compost pile. 

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