Particulate diesel-exhaust characterization study

Technical Report · Sat Jan 01 04:00:00 UTC 1983

OSTI ID:6372626

Glaser, R; Cooper, C; Deye, G; Ong, T

Several analyses were made of the diesel-exhaust particulates which were used in a study made to determine the effects of long-term exposure to coal dust and exhaust from diesel engines on laboratory animals. The diesel engine used was of a type used in underground-mining operations, and was equipped with a water scrubber in the exhaust line. Lipid chromatographic fluorescence detection of the solvent extracts of the diesel exhaust components showed fluorescing compounds covering a wide range of polarity to be present in the exhaust samples. Preparative fractions of solvent extracts of particulate diesel exhaust indicated that the majority of the mass recovered was in the nonpolar fraction. Sufficient quantities of nitroarenes were isolated for identification purposes; high-resolution mass spectroscopy with selected ion monitoring was used. 1-Nitropyrene and a nitrofluorene isomer were identified in several of the extract fractions. Both direct and enzyme-activated mutagens were present in the diesel particulate and scrubber water extract and the unextracted scrubber particulate. The authors conclude that the contents of the scrubber may represent a significant health hazard due to the presence of mutagens.

• Research Organization: National Inst. for Occupational Safety and Health, Cincinnati, OH (USA)
• OSTI ID: 6372626
• Report Number(s): PB-87-163507/XAB
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330705* -- Emission Control-- Particulates
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
CHEMICAL ANALYSIS
DIESEL ENGINES
ENGINES
EQUIPMENT
EXHAUST GASES
FLUIDS
FLUORESCENCE
GASEOUS WASTES
GASES
HAZARDOUS MATERIALS
HAZARDS
HEALTH HAZARDS
HEAT ENGINES
INDUSTRIAL MEDICINE
INSPECTION
INTERNAL COMBUSTION ENGINES
LABORATORY ANIMALS
LUMINESCENCE
MATERIALS
MEDICINE
MUTAGENS
NITRO COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PARTICLES
PARTICULATES
POLLUTION CONTROL EQUIPMENT
SCRUBBERS
TOXICITY
WASTES