MRC:
An indication of the species and grade of the item,and the grading association.CQWY
Species-grade And Grading Association:
Cedar, northern white no. 1 northeastern lumber manufacturers association or cedar, western no. 1 structural west coast lumber inspection bureau or cedar, western no. 1 western wood products association or douglas fir no. 1 structural west coast lumber inspection bureau or douglas fir no. 1 western wood products association or fir, balsam no. 1 northeastern lumber manufacturers association or fir, balsam no. 1 northern hardwood and pine manufacturers association or fir, subalpine no. 1 western wood products association or hem-fir no. 1 structural west coast lumber inspection bureau or hem-fir no. 1 western wood products association or hemlock, eastern no. 1 northeastern lumber manufacturers association or hemlock, eastern no. 1 northern hardwood and pine manufacturers association or hemlock, mountain no. 1 structural west coast lumber inspection bureau or hemlock, mountain no. 1 western wood products association or larch no. 1 western wood products association or larch no. 1 western wood products association or pine, eastern white no. 1 northeastern lumber manufacturers association or pine, eastern white no. 1 northern hardwood and pine manufacturers association or pine, idaho white no. 1 western wood products association or pine, jack no. 1 northeastern lumber manufacturers association or pine, jack no. 1 northern hardwood and pine manufacturers association or pine, lodgepole no. 1 western wood products association or pine, pitch no. 1 northeastern lumber manufacturers association or pine, ponderosa no. 1 western wood products association or pine, norway no. 1 northeastern lumber manufacturers association or pine, norway no. 1 northern hardwood and pine manufacturers association or pine, southern no. 1 sr timbers southern pine inspection bureau or pine, sugar no. 1 western wood products association or redwood no. 1 structural redwood inspection service or spruce, eastern no. 1 northeastern lumber manufacturers association or spruce, eastern no. 1 northern hardwood and pine manufacturers association or spruce, engelmann no. 1 western wood products association or spruce, sitka no. 1 structural west coast lumber inspection bureau or tamarack no. 1 northeastern lumber manufacturers association or tamarack no. 1 northern hardwood and pine manufacturers association
MRC:
The required purpose or application of the typical wood products for which the item is intended.CSTS
Typical Wood Products Use:
Beams, stingers, posts, columns and struts