commiss decis decemb author method grade pig carcas grand duchi luxembourg french text authent eec commiss european commun regard treati establish european econom commun regard council regul eec octob common organ market pigmeat amend regul eec articl thereof regard council regul eec novemb determin commun scale grade pig carcas amend regul eec articl thereof articl regul eec grade pig carcas determin estim content lean meat accord statist proven assess method base physic measur anatom part pig carcas author grade method subject complianc maximum toler statist error assess toler defin articl commiss regul eec octob lai detail rule applic commun scale grade pig carcas govern grand duchi luxembourg request commiss author method grade pig carcas territori submit inform requir articl regul eec examin request reveal condit author grade method fulfil modif apparatu grade method author mean commiss decis adopt light experi gain reason present author revok measur provid decis accord opinion manag committe pigmeat adopt decis articl apparatu term hennessi grade probe hgp assess method relat thereto detail annex author luxembourg method grade pig carcas pursuant regul eec articl modif apparatu assess method author articl decis address grand duchi luxembourg brussel decemb commiss fran andriessen vice presid oj oj oj oj oj annex grade pig carcas carri mean apparatu term hennessi grade probe hgp apparatu equip probe mm diamet mm blade top probe photodiod siemen led type lyu eo photodetector type siemen mr oper distanc mm result measur convert estim lean meat content mean hgp comput link lean meat content carcas calcul formula estim percentag lean meat carcas thick back fat includ rind millimetr measur cm midlin carcas fourth rib thick muscl millimetr measur time place thick back fat includ rind millimetr measur cm midlin carcas rib formula valid carcas weigh kg