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All concrete masonry units manufactured by Concrete Products of New London and Alexandria Concrete Co.:

1. Exceed minimum standards as established by ASTM C90-00 and ASTM C90-98 for Type 1 units
     

2. Meet all building codes including the Minnesota State Building Code, and the International Residential Code
   Type 1 - Moisture controlled units.

All Standard weight aggregate conforms to the requirements of ASTM C-33093. All lightweight aggregate conforms to the requirements of ASTM C331-94