00520cam a22001457a 4500008004000000082001300040245011000053260004900163300000900212440006200221650002200283650002000305650001400325700003500339180718b1990 xxu||||| |||| 00| 0 eng d aO91 M664 aMinimal national standards-selected inorganic chemical industry, pt.1cby Central Pollution Control Board aDelhibCentral Pollution Control Boardc1990 a58p. aComprehensive Industry Document Series: Coinds/32/1989/90 aChemical industry aWater Pollution aPollution aCentral Pollution Control Boar