Yokohama City Public Hazard Research Institute Report No. 7

〇 Report

• Odor survey at paint factories
• Study on air pollution around roads due to automobile exhaust gas (No. 7) - Floating dust and its components in areas around roads II-
• Methods for generating low-concentration hydrocarbon standard gas using steam diffusion (No. 2)
• Study of measurement accuracy of automatic nitrogen oxide measuring instruments
• Emission concentration and emission factor of hazardous substances emitted from diesel-engine vehicles
• Investigation of sound insulation performance in apartment - sound pressure level difference and floor impact sound level -
• Acute toxicity test using carp from laundry wastewater
• About obesity in carp
• Study of AGP measurement method using adhesion silica algae (second report)
• Basic research on organic matter and negative ions in the Tsurumi River water system
• Baseline contamination Indicators: Focusing on redox potential, oil content, and differential heat -
• Examination of analytical methods for ionic surfactants in wastewater from business sites