Aggregate Testing Results
PennDot CAMMS Testing Report (Type A Sand)
John H. Robinson Testing, Inc. (Type A Concrete Sand)
Certification Letters
Coarse Aggregate for Onlot Systems
Coarse Mason Sand / ASTM-C144 Specifications
Concrete Sand / PennDot specifications & requirements for sewage facilities
H & H Materials, Inc. · 190 Canon Road · Stoneboro, PA 16153 · Phone: 724-376-2834 · FAX: 724-376-2106 · Email: dmcknight@hhmaterialsinc.com Website created by: C. Boughner