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In-depth survey report: a laboratory evaluation of prototype engineering controls designed to reduce occupational exposures during asphalt paving operations at Cedarapids Incorporated, Cedar Rapids, Iowa, report no. ECTB-208-12a.

Authors
Mead-KR; Mickelsen-RL
Source
NIOSH 1999 Aug; :1-48
NIOSHTIC No.
20000566
Abstract
On April 26-28, 1995, researchers from the National Institute for Occupational Safety and Health (NIOSH) evaluated prototype engineering controls designed for the control of fugitive asphalt emissions during asphalt paving. The Cedarapids engineering controls evaluation was completed as part of a Department of Transportation (DOT) project to evaluate the effectiveness of engineering controls on asphalt paving equipment, NIOSH researchers are conducting the research through an inter-agency agreement with DOT's Federal Highway Administration. Additionally, the National Asphalt Paving Association is playing a critical role in coordinating the paving manufacturers' and paving contractors' voluntary participation in the study. The study consists of two major phases. During the primary phase, NIOSH researchers visited each participating manufacturer and evaluated their engineering control designs under managed environmental conditions. The indoor evaluation used tracer gas analysis techniques to both quantify the control's exhaust flow rate and determine the capture efficiency. Results from the indoor evaluations provided equipment manufacturers with the necessary information to maximize engineering control performance prior to the second phase of the study, performance evaluation of the prototype engineering controls under 'real-life' paving conditions. The scope of this report is limited to the Cedarapids phase one evaluation.
Keywords
Region-7; Engineering-controls; Control-technology; Ventilation-systems; Ventilation-equipment; Exhaust-ventilation; Exhaust-hoods; Asphalt-fumes; Road-construction; Road-surfacing
Publication Date
19990809
Document Type
Field Studies; Control Technology
Fiscal Year
1999
NTIS Accession No.
PB2000-100229
NTIS Price
A04
Identifying No.
ECTB-208-12a
NIOSH Division
DPSE
SIC Code
1611
Source Name
National Institute for Occupational Safety and Health
State
OH; IA
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