PGC DESCRIPTION                                              PGC CODE
---------------                                              --------
AGGREGATES, USED AS BUILDING MATERIALS (E.G.                 27300(8)
STONES, SAND AND GRAVELS)                         

FILTERS, ANTHRACITE, SAND AND GRAVEL (E.G. FILTER            27302(6)
MEDIA FOR WATER TREATMENT WORKS)                  

GASES, PETROLEUM & OTHER GASEOUS HYDROCARBONS IN             28400(1)
THE LIQUEFIED OR GASEOUS STATE (E.G. L.P.G.)      

OILS AND GREASES, LUBRICATING                                28301(3)

OILS, FUEL                                                   28300(4)

SEEDS, PLANTS & FLOWERS                                      29200(3)

WASTE AND RAGS, COTTON                                       26300(1)



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