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PH CRITIQUE [1 record]

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Record 1 2001-10-30

English

Subject field(s)
  • Air Pollution
  • Metrology and Units of Measure
  • Water Pollution
CONT

The most recent (1975 to 1979) New York State Department of Environmental Conservation surveys indicate that 25% of the lakes (comprising about 5% of the sampled waters) were at a "critical" pH level below 5.0. Overall, 7.9% of the lakes in the Adirondacks were acidified from acid precipitation (228 lakes), totalling 3.9% of the water acreages.

French

Domaine(s)
  • Pollution de l'air
  • Unités de mesure et métrologie
  • Pollution de l'eau
CONT

pH critique : déterminé à partir du moment où cesse la reproduction selon les espèces.

OBS

Critique : Qualifie le point, l’état où un seuil est atteint.

Spanish

Campo(s) temático(s)
  • Contaminación del aire
  • Metrología y unidades de medida
  • Contaminación del agua
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