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Evaluation of some potential chemical exposure risks during flowback operations in unconventional oil and gas extraction: preliminary results.

Authors
Esswein-EJ; Snawder-J; King-B; Breitenstein-M; Alexander-Scott-M; Kiefer-M
Source
J Occup Environ Hyg 2014 Oct; 11(10):D174-D184
NIOSHTIC No.
20044996
Abstract
Approximately 562,000 workers were employed in the U.S. oil and gas extraction industry in 2012; nearly half of those workers were employed by well servicing companies, which include companies that conduct hydraulic fracturing and flowback operations. To understand possible risks for chemical exposures in modern oil and gas extraction operations, the National Institute for Occupational Safety and Health (NIOSH) initiated the Field Effort to Assess Chemical Exposures in Oil and Gas Workers. Initial research identified exposure risks for respirable crystalline silica during hydraulic fracturing as an occupational health hazard. This report describes industrial hygiene sampling during flowback operations at six unconventional oil and gas extraction sites in Colorado and Wyoming during spring and summer 2013. The results are considered preliminary; additional exposure assessments are needed to better understand the range of possible exposures, risk factors, and controls during flowback operations.
Keywords
Gas-industry; Hydraulic-equipment; Exposure-levels; Risk-factors; Silicates; Silica-dusts; Industrial-hygiene; Oil-industry; Oil-vapors; Petroleum-industry; Petroleum-oils
Contact
Eric J. Esswein, National Institute for Occupational Safety and Health, Western States Office, CO 80225
CODEN
JOEHA2
CAS No.
71-43-2
Publication Date
20141001
Document Type
Journal Article
Email Address
eje1@cdc.gov
Fiscal Year
2015
NTIS Accession No.
NTIS Price
Identifying No.
M092014
Issue of Publication
10
ISSN
1545-9624
NIOSH Division
DART; WSO
Priority Area
Mining: Oil and Gas Extraction; Transportation, Warehousing and Utilities
Source Name
Journal of Occupational and Environmental Hygiene
State
CO; OH; WY
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