council decis novemb amend decis eec establish common procedur exchang inform qualiti surfac fresh water commun eec council european commun regard treati establish european econom commun articl thereof regard propos commiss regard opinion european parliament regard opinion eocnom social committe pursuant articl decis eec commiss present council propos view improv procedur exchang inform harmon method measur regard qualiti surfac fresh water regard propos decis amend regard oblig forward date forward inform commiss period method commiss commun inform member state establish consolid report member state enabl diospos request annual statist monitor pollut level surfac water procedur commiss follow assess effect system stipul provis envisag intercalibr nation appli method measur refer method measur includ articl deal minimum frequenc sampl analysi paramet possibl reduc frequenc condit refer method measur paramet condit sampl preserv sampl includ annex option paramet fix refer method measur adjust account technic progress adopt decis articl decis eec amend articl amend subparagraph ad paragraph descript method refer articl omit method previou year provid explicit refer omiss made paragraph replac inform cover calendar year forward commiss octob year commiss forward annual member state request inform receiv paragraph year time commiss draw draft consolid report base inform refer articl part report inform suppli member state central agenc state verif comment draft includ report report includ indic trend note water qualiti implement decis interpret comment take account object decis commiss publish final version report send copi member state commiss assess effect procedur exchang inform submit propos council aim improv procedur harmon method measur take account provis articl articl replac articl member state organ intercalibr nation level laboratori take part collect analysi data ensur compar refer method measur laboratori member state commiss organ compar evalu nation appli method measur evalu subject report transmit member state basi report refer paragraph commiss make propos council intercalibr nation appli method measur refer method measur list annex iii articl insert articl order implement common procedur exchang inform member state lai frequenc sampl analysi monthli member state establish water qualiti displai signific variat term paramet risk deterior water qualiti frequenc sampl measur paramet paramet reduc reduct frequenc involv risk human be environ modif frequenc explicitli mention inform forward commiss articl refer method measur paramet question set annex iii laboratori method measur satisfi result obtain compar contain sampl agent method preserv part sampl analysi paramet convey storag sampl prepar sampl analysi bring signific chang result analysi sampl place place sampl procedur occas articl replac articl amend adapt technic progress list paramet mode express signific figur respect thereof set annex ii refer method measur paramet mode express set annex iii adopt accord procedur laid articl provid addit list involv paramet cover commun rule concern aquat environ data sampl measur station member state mode express signific figur involv method measur member state station annex annex ii replac annex oj oj oj oj annex ii paramet respect inform exchang mode express signific figur parametr data paramet mode express signific figur decim comma decim comma rate flow time sampl sec physic temperatur ph ph conduct ms cm lt chlorid cl mg lt nitrat mg ammonia nh mg dissolv oxygen mg chemic bod mg cod mg total phosphoru mg surfact react methylen blue sodium lauryl sulphat eq mg total cadmium cd mg mercuri hg mg faecal coliform ml micro biolog total coliform ml faecal streptococci ml salmonella biolog biolog qualiti date sampl data relat paramet exchang measur frequenc sampl paramet mode express result decid member state annex ad annex iii refer method measur paramet mode express refer method measur rate flow time sampl flowmet temperatur thermometri measur situ time sampl ph ph electrometri measur situ time sampl prior treatment sampl conduct ms cm electrometri chlorid cl mg titrat mohr method molecular absorpt spectrophotometri nitrat mg molecular absorpt spectrophotometri ammonia nh mg molecular absorpt spectrophotometri dissolv oxygen mg winkler method electrochem method bod mg determin dissolv oxygen dai incub complet dark addit nitrif inhibitor cod mg potassium dichrom method total phosphoru mg molecular absorpt spectrophotometri surfact react methylen blue sodium lauryl sulphat eq mg molecular absorpt spectrophotometri total cadmium cd mg atom absorpt spectrophotometri mercuri hg mg flameless atom absorpt spectrophotometri faecal coliform ml cultur specif solid medium tergitol lactos agar endo agar teepol broth filtrat coloni count sampl dilut concentr coloni identif gasif method dilut ferment liquid substrat tube dilut subcultur posit tube confirm medium count mpn probabl number incub temperatur paramet mode express refer method measur total coliform ml cultur specif solid medium tergitol lactos agar endo agar teepol broth filtrat coloni count sampl dilut concentr coloni identif gasif method dilut ferment liquid substrat tube dilut subcultur posit tube confirm medium count mpn probabl number incub temperatur faecal streptococci ml cultur solid medium sodium azid filtrat coloni count method dilut sodium azid broth litski count mpn probabl number salmonella concentr filtrat membran filter innocul pre enrich medium enrich transfer isol gelos identif biolog qualiti pend commun wide harmon member state respect method articl decis address member state brussel novemb council presid waldegrav