MRC:
An indication of the species and grade of the item,and the grading association.CQWY
Species-grade And Grading Association:
Cedar, alaska standard west coast lumber inspection bureau or douglas fir standard west coast lumber inspection bureau or spruce, sitka standard west coast lumber inspection bureau or hemlock, western standard west coast lumber inspection bureau or cedar, western red standard west coast lumber inspection bureau or fir standard west coast lumber inspection bureau and cottonwood no. 2 national hardwood lumber association or cypress no. 2 national hardwood lumber association or magnolia no. 2 national hardwood lumber association or poplar no. 2 national hardwood lumber association and douglas fir no. 3 western wood products association or spruce, engelmann no. 3 western wood products association or pine, idaho white standard western wood products association or larch no. 3 western wood products association or pine, lodgepole no. 3 western wood products association or pine, ponderosa no. 3 western wood products association or pine, sugar no. 3 western wood products association or cedar, western red no. 3 western wood products association or fir no. 3 western wood products association and hemlock, eastern no. 2 northern hardwood and pine manufacturers association or spruce, eastern no. 2 northern hardwood and pine manufacturers association or pine no. 3 northern hardwood and pine manufacturers association or pine, norway no. 3 northern hardwood and pine manufacturers association and hemlock, eastern no. 2 northeastern lumber manufacturers association or spruce, eastern no. 1 northeastern lumber manufacturers association or pine no. 3 northeastern lumber manufacturers association or pine, norway no. 3 northeastern lumber manufacturers association and redwood 1 common redwood inspection service and pine, southern no. 2 southern pine inspection bureau
MRC:
The required purpose or application of the typical wood products for which the item is intended.CSTS
Typical Wood Products Use:
Roof and wall sheathing, subflooring, boxes, crates and pallets