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Indoor and outdoor PM10 and associated metals and pesticides in Arizona.

Authors
Lebowitz-MD; O'Rourke-MK; Rogan-S; Reses-J; Van de Water-P; Blackwell-A
Source
Inhal Toxicol 2000 Jan; 12(Suppl 1):139-144
NIOSHTIC No.
20031177
Abstract
The National Human Exposure Assessment Survey study in Arizona (AZ NHEXAS) sampled trace metals in multimedia in and outside of 176 representative homes in Arizona. PM10 was collected using low-flow impactors indoors and out. Primary metals evaluated from monitoring of indoor and outdoor air were lead, cadmium, chromium, nickel, and arsenic. Secondary metals were also evaluated. They were analyzed using gas chromatographyinductively coupled plasma/atomic emission spectroscopy (GC-ICP/AES). Air concentrations of metals do not contribute appreciable amounts to total concentrations of metals, and none were above levels of concern. Measurements were made of selected pesticides (primarily chlorpyrifos and diazinon) from particulate matter (PM10) filters obtained indoors and outdoors. Indoor air pesticide exposures represent about 25% of the total exposure to these pesticides. The highest 10% of exposures were related to questions about pesticide usage, at home and at work.
Keywords
Pesticides; Metals; Exposure-assessment; Trace-metals; Gas-chromatography; Pesticides-and-agricultural-chemicals; Exposure-levels
CODEN
INHTE5
Publication Date
20000101
Document Type
Journal Article
Funding Type
Grant
Fiscal Year
2000
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-T01-CCT-910446
ISSN
0895-8378
Source Name
Inhalation Toxicology
State
AZ
Performing Organization
University of Arizona, Tucson, Arizona
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