Sampling of airborne polycyclic aromatic hydrocarbons
Limitations of NIOSH sampling method P and CAM 183 were defined for airborne standard mixtures of polycyclic aromatic hydrocarbons (PAH) generated as vapors in a flow-through apparatus. The PAH fell into three categories: those that were too volatile to be collected by the NIOSH filtration method at normal ambient temperatures and were best sampled with Tenax or XAD-2 sorbent (i.e., indane, naphthalene, biphenyl, acenaphthene, fluorene, 9,10-dihydrophenanthrene, phenathrene, and anthracene); those that were quantitatively collected by filters, even after a brief airborne residence time (i.e., benz(a)anthracene, chrysene, benzo(a)pyrene, dibenz(a,h)anthracene, and benzo(ghi)perylene); and those that partitioned between filter and sorbent (i.e., fluoranthene and pyrene). A combination glass fiber/silver membrane filter backed by two sorbent tubes in series gave overall mean recoveries of 94-96% for the 15 PAH studied at total concentrations of, nominally, 0.2 and 0.02 mg/m/sup 3/. Individual PAH concentrations were 0.03-0.05 and 0.003-0.005 mg/m/sup 3/, respectively.
- Research Organization:
- Health and Welfare Canada, Ottawa, Ontario
- OSTI ID:
- 6418622
- Journal Information:
- Anal. Chem.; (United States), Vol. 59:13
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
54 ENVIRONMENTAL SCIENCES
ADSORBENTS
PERFORMANCE
AIR
SAMPLING
AIR SAMPLERS
FILTERS
POLYCYCLIC AROMATIC HYDROCARBONS
FILTRATION
AIR POLLUTION MONITORS
AIR QUALITY
EXPERIMENTAL DATA
PARTICULATES
QUANTITY RATIO
AROMATICS
DATA
ENVIRONMENTAL QUALITY
EQUIPMENT
FLUIDS
GASES
HYDROCARBONS
INFORMATION
MEASURING INSTRUMENTS
MONITORS
NUMERICAL DATA
ORGANIC COMPOUNDS
PARTICLES
SAMPLERS
SEPARATION PROCESSES
400105* - Separation Procedures
500200 - Environment
Atmospheric- Chemicals Monitoring & Transport- (-1989)