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