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Report No. 5 of Yokohama City Pollution Research Institute

No.20, published in December 1980, B5 version 236 pages.

Last Updated March 3, 2020

Oh Report

  • Examination of performance accuracy of piezo-balance type and β-wire absorption type dust meter
  • Particle size distribution of soot and dust discharged from fixed sources (second report) - particle size distribution of soot and dust from heating furnaces, etc.
  • Black smoke emitted from diesel vehicles
  • Study on air pollution around roads due to automobile exhaust gas (No. 4) - Nitrogen oxide concentrations near roads and effects of reverse layers -
  • Odor measurement results using the three-point comparison odor bag method
  • Outline of the Wide Area Air Pollution Survey in the South Kanto Region (Interim Report) -What has been revealed from the past four years?
  • About low-frequency air movement from boiler, air conditioner
  • Sound insulation measurement in high-rise apartment proximity to national highway - difference in sound pressure between rooms and road traffic noise -
  • Quantitative method of non-ionic sea surface active agents in wastewater
  • Consideration of treatment methods for wastewater containing polyvinyl alcohol (3rd report)
  • Study the adaptability of the fixed floor activated sludge method to industrial wastewater treatment (No. 1)
  • About feeding rate and feed efficiency in carp
  • Effects on the blood properties of anesthesia in carp
  • Study of blood properties in young carp fish (No. 1)
  • Fish disease studies to secure healthy trial fish
  • Aggregation of Cayalgae obtained from boring cores near Totsuka Station on the Tokaido Line
  • Cyan recovery rate in all Cyan analysis methods
  • Removal of trihalomethane precursor and characteristics of residual organic matter
  • Mercury present form in sediment (No. 1) - Mercury analysis method by sodium sulfide elution -
  • Examination of arsenic quantification method in wastewater (No. 1)
  • Alluvial layer and land subsidence of the Kashio River Lowland
  • About land subsidence around Totsuka Station
  • Urban rivers as everyday nature

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Inquiries to this page

Environmental Science Research Institute, Environmental Conservation Department, Green Environment Bureau

Telephone: 045-453-2550

Telephone: 045-453-2550

Fax: 045-453-2560

Email address: mk-kanken@city.yokohama.lg.jp

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Page ID: 675-054-629

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