ZCZC 000 NOXX02 LSSW 210400 METNO C4706 0426 DM 09/11/2006 6 OFFENBACH SWITZERLAND ZURICH 20/05/1999 E NOXX01 LSSW THURSDAY METNO VOLUME A - OBSERVING STATIONS 0427 AM 09/11/2006 6 OFFENBACH SWITZERLAND ZURICH 09/11/2006 E NOXX01 LSSW 10645 NNNN