B. Zielinska et al., ARIZONA HAZARDOUS AIR-POLLUTANTS MONITORING PROGRAM, Journal of the Air & Waste Management Association, 48(11), 1998, pp. 1038-1050
In order to evaluate the existing risk to public health in Arizona rel
ated to hazardous air pollution, ambient air monitoring for selected h
azardous air pollutants (HAPs) was carried out in 1994-1996 in several
representative urban and rural areas of Arizona. A wide range of orga
nic HAPs was monitored, requiring a variety of sampling and analysis m
ethods. Stainless steel SUMMA canisters were used for collection of vo
latile hydrocarbons and halocarbons, which were analyzed by capillary
gas chromatography with name ionization and electron capture detection
(GC-FID/ECD). Carbonyl compounds were collected using 2,4-dinitrophen
ylhydrazine-impregnated cartridges and analyzed by high performance li
quid chromatography with ultraviolet detection. Semi-volatile and non-
volatile polycyclic aromatic compounds were collected using a sampling
train consisting of a filter followed by a PUF/XAD-4/PUF sandwich car
tridge. Following extraction, samples were analyzed by capillary GC wi
th mass spectrometric detection (GCMS). Database software was develope
d for data processing and reporting functions. This paper describes th
e sampling strategy and the sampling and analysis methods employed in
the monitoring program and presents a summary of all the results obtai
ned during the duration of the sampling program.