Intentionally. https://www.dailymail.co.uk/news/article-11006431/Weedkiller-ingredient-used-notorious-Roundup-80-urine-samples.html
Mail Online
Weedkiller ingredient used in notorious cancer-causing Roundup is found in 80% of US urine samples
A commonly used herbicide known to be linked to cancer is appearing in more than 80% of urine samples from U.S. kids and adults, according to a CDC study.