Classification Information
Asphalt shingles; asphalt shingles made from used asphalt shingles and new materials; asphalt shingles made from used asphalt shingles, other used or recycled materials and new materials
Nonmetallic Building MaterialsRecycling, namely, processing used asphalt shingles into new asphalt shingles; recycling, namely, processing used asphalt shingles and new materials into new asphalt shingles; recycling, namely, processing used asphalt shingles, other used or recycled materials and new materials into asphalt shingles
Treatment of Materials