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Jaarrapport 2011 De Rijn - Riwa

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Vereniging van<br />

<strong>Rijn</strong>waterbedrijven<br />

<strong>De</strong> samenstelling van het IJsselmeerwater te Andijk in <strong>2011</strong> (maandgemiddelden en kengetallen)<br />

parameter dimensie o.a.g. jan feb mrt apr mei jun jul aug sep okt nov dec n min. P10 P50 gem. P90 max. pict<br />

Insecticiden op basis van organische fosforverb. (vervolg)<br />

fosalon μg/l 0.05 < < < < < < < < < < < < 13 < < < < < <<br />

malathion μg/l 0.05 < < < < < < < < < < < < 13 < < < < < <<br />

methamidofos μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

oxydemeton-methyl μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

pirimifos-methyl μg/l 0.001 < < < < < < < < < < < < 13 < < < < < <<br />

trichloorfon μg/l 0.02 < < < < < < < < < < < < 13 < < < < < <<br />

chloorpyrifos μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

fosthiazaat μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

Insecticiden op basis van benzoylureum<br />

difl ubenzuron μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

tefl ubenzuron μg/l 0.05 < < < < < < < 7 < * * < * <<br />

trifl umuron μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

Insecticiden, door vergisting verkregen<br />

abamectine μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

Biologische insecticiden<br />

rotenon μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

Niet-ingedeelde insecticiden<br />

clofentezine μg/l 0.02 < < < < < < < < < < < < 13 < < < < < <<br />

dicofol μg/l 0.25 < < < < < < < < < < < < 13 < < < < < <<br />

hexythiazox μg/l 0.05 < < < < < < < < < < < < 13 < < < < < <<br />

methomyl μg/l 0.1 < < < < < < < < < < < < 13 < < < < < <<br />

oxamyl μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

tebufenpyrad μg/l 0.05 < < < < < < < < < < < < 13 < < < < < <<br />

pyridaben μg/l 0.01 < < < < < < < 7 < * * < * <<br />

pyriproxyfen μg/l 0.01 < < < < < < < 7 < * * < * <<br />

imidaclopride μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

pymetrozine μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

thiacloprid μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

fi pronil μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

buprofezine μg/l 0.08 < < < < < < < < < < < < 13 < < < < < <<br />

tebufenozide μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

acetamiprid μg/l 0.02 < < < < < < < < < < < < 13 < < < < < <<br />

methoxyfenozide μg/l 0.02 < < < < < < < < < < < < 13 < < < < < <<br />

clothianidine μg/l 0.02 < < < < < < < < < < < < 13 < < < < < <<br />

thiamethoxam μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

Niet-ingedeelde mollusciciden<br />

thiodicarb μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

Nematiciden<br />

cis-1,3-dichloorpropeen μg/l 0.02 < < < < < < < < < < < < 13 < < < < < <<br />

trans-1,3-dichloorpropeen μg/l 0.02 < < < < < < < < < < < < 13 < < < < < <<br />

1,2-dibroom-3-chloorpropaan (DBCP) μg/l 0.02 < < < < < < < < < < < < 13 < < < < < <<br />

Pesticide-metabolieten<br />

4-isopropylaniline μg/l 0.03 < < < < < < < < < < < < 13 < < < < < <<br />

desethylatrazine μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

desisopropylatrazine μg/l 0.05 < < < < < < < < < < < < 13 < < < < < <<br />

desethylterbutylazine μg/l 0.05 < < < < < < < < < < < < 13 < < < < < <<br />

Overige bestrijdingsmiddelen en metabolieten<br />

acefaat μg/l 0.01 < < < < < < < < < < < < 13 < < < < < <<br />

aclonifen μg/l 0.05 < < < < < < < < < < < < 13 < < < < < <<br />

o.a.g. = onderste analysegrens n = aantal waarnemingen per jaar min = minimum p10 p50 p90 = percentielwaarden gem = gemiddelde max = maximum * = onvoldoende gegevens<br />

Voor uitleg van de pictogrammen: zie pagina 264 230 ! = reeks geheel of gedeeltelijk samengesteld met door neuraal netwerk geschatte waarden<br />

231

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