Just an FYI
Up until 1991, yellow paint on roads was made with lead chromate. #DNRandcleanfill
What does the DNR say about clean fill sites?
This is taken from the DNR's website: http://dnr.wi.gov/files/pdf/pubs/wa/wa1280.pdf Using Waste Fill Materials in Nonmetallic Mining...
What is "Clean Fill"?
This is taken from the DNR's website: http://dnr.wi.gov/files/pdf/pubs/wa/wa1280.pdf Acceptable alternative materials Materials defined...
