000 00626nas##2200193za#4500
0019.514586
003CaOODSP
00520200331215425
007ta
008150406c1997||||xxc|| m #||||f|   |0eng|d
040 |aCaOODSP|beng
043 |an-cn---
0861 |aEn49-1E
1101 |aCanada. |bEnvironment Canada. |bEnvironmental Protection Service.
24510|aEnvironmental protection series
260 |aOttawa - Ontario : |bEnvironment Canada.
500 |aCanadian cataloguing in publication data printed in these publications.
563 |aSpiral binding
77508|tSérie de la protection de l'environnement |w(CaOODSP)9.512980