00326    a2200121   4500020001500000082001700015100001800032245004400050260004500094300001900139650002800158700001800186  a8176484806  a363.733bKUM  aKumar, Arvind  aEnvironmental pollution & heath hazards  aNew DelhibA.P.H. Publishingc2004g2004  axi,479p.c24cm  aEnvironmental Pollution  aVarma, Manish