PS1669E Various Sites-Consutruction Material Testing & Inspection Svcs-Consultant, Great Lakes Soil & Environmental Consultants,Inc., Inc.-PM, Henry Brummel Project #00000 Contract PDF: Material Testing & Inspection Services – Program Wide Other Documents: Amendment 1 – Material Testing & Inspection Services Amendment 3 – Material Testing & Inspection Services Amendment 4 – Material Testing & Inspection Services Awarded to: Interra, Inc. Board Approval Date: 07/19/2010