Does size matter with lead in D.C. playground rubber? 7 On Your Side has the answer.

From: WJLA

“Kevin Bell with Public Employees for Environmental Responsibility observed some of those samples gathered. He points out many larger tire shreds come from potentially more hazardous industrial tires. “These big tractor tires would have lead added to them specifically so that they weighed more so that your tractor didn’t tip over backward when you were trying to tow something heavy,” explained Bell.”

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