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University of Delaware VEB Research & Demonstration University of Delaware Environmental House Demo VEB, 2003
University of Delaware VEB Research & Demonstration
University of Delaware Environmental House Demo VEB, 2003
University of Delaware Research:Farm Layout & Sample Location
Study Site 2002- present
E
W
N S
VEB Planting
Air samples:• Odor• Ammonia• PM 10• PM2.5
U of Delaware Test Site – Working Broiler Farm - 2003
Bald Cypress 16”
Leyland C 14”
Red Cedar 8’
Tree Type & Planting Distance
U of Delaware Test Site – Working Broiler Farm - 2003
Wind: A Major Challenge in Measuring Emissions
Photo: J. Tyndall, ISU
U of Delaware Test Site – Working Broiler Farm - 2003
Crosswind barrier
Smoke Test & Dust Accumulation Observations
30’
8’
Sampling Procedures & Methods
• 4-5 hr sampling events week prior to broiler and roaster movement
• 2002 = 10 days; 2003 = 9 days (summer flocks)
• Total dust: gravimetric using 37mm cassettes and pumps calibrated at 2 L/min. (NIOSH # 0500)
• Ammonia: Gastec dosimeter tubes # 3DL (10 ppm) and Impinger method (OSHA ID-164)
• H2SO4 : 10L tedlar bags sent to ISU (Jerome 631 H2SO4 Analyzer)
• Odor: 10L tedlar bags sent to ISU (AC’Scent International Standard Olfactometer)
Front Rear
4’
Sampling Procedure:
• 2 locations opposite tunnel fans (front and rear)• ~5 hrs/day, one week prior to broiler & roaster movement • # Sampling events during summer flocks: 10 days in 2002; 9 days in 2003
University of Delaware Test Site – Working Broiler Farm - 2003
Photo: J. Tyndall, ISU
3 Years of Data Suggest VEB Reduce from Tunnel Fans:
Delaware –
– Ammonia 47%
– Total dust 51%
– Odor 13% XX
22 ft three row VEB
VEB Planting at University of Delaware Environmental House
South North
East West
University of Delaware
Main Contact: George “Bud” Malone, Extension Poultry Specialist
Research and Education Center16483 County Seat HighwayGeorgetown, DE 19947
(302) 856-7303(302) 856-2585 ext. 557(302) 856-1845 (FAX)[email protected]
Other researchers:
Dave Hansen, Assistant Professor, Soil and Environmental Quality
Gary Van Wicklen, Extension Poultry Production Engineer, Assoc. Professor BioResources Engineering
