00613nam a22001817a 4500001001300000003000400013005001700017008004100034040000800075110007200083245012500155260002600280336002100306337002500327338002200352650004900374653000800423D0001B001747DOH20210504110651.0210504b           ||||| |||| 00| 0 eng d  erda1 aPhilippines. bDepartment of Health.b Environmental Health Service00aImplementing rules and regulations of chapter II " water supply" of the code on sanitation of the Philippines (P.D. 856)  aManila :bDOH,c1995.  2rdacontentatext  2rdamediaaunmediated  2rdacarieravolume 2aWater Supply xlegislation and jurisprudence  aIRR