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University of Delaware VEB Research & Demonstration University of Delaware Environmental House Demo VEB, 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 University of Delaware Research: Farm Layout & Sample Location Study Site 2002 - present VEB Planting E N S W

U of Delaware Test Site – Working Broiler Farm - 2003 Tree Type & U of Delaware Test Site – Working Broiler Farm - 2003 Tree Type & Planting Distance Air samples: • Odor • Ammonia • PM 10 • PM 2. 5 Bald Cypress 16” Leyland C 14” Red Cedar 8’

U of Delaware Test Site – Working Broiler Farm - 2003 U of Delaware Test Site – Working Broiler Farm - 2003

Wind: A Major Challenge in Measuring Emissions Wind: A Major Challenge in Measuring Emissions

U of Delaware Test Site – Working Broiler Farm - 2003 Crosswind barrier Photo: U of Delaware Test Site – Working Broiler Farm - 2003 Crosswind barrier Photo: J. Tyndall, ISU

Smoke Test & Dust Accumulation Observations 8’ 30’ Smoke Test & Dust Accumulation Observations 8’ 30’

Sampling Procedures & Methods • 4 -5 hr sampling events week prior to broiler 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 37 mm cassettes and pumps calibrated at 2 L/min. (NIOSH # 0500) • Ammonia: Gastec dosimeter tubes # 3 DL (10 ppm) and Impinger method (OSHA ID-164) • H 2 SO 4 : 10 L tedlar bags sent to ISU (Jerome 631 H 2 SO 4 Analyzer) • Odor: 10 L tedlar bags sent to ISU (AC’Scent International Standard Olfactometer)

Sampling Procedure: • 2 locations opposite tunnel fans (front and rear) • ~5 hrs/day, 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 Front Rear 4 ’

University of Delaware Test Site – Working Broiler Farm - 2003 Photo: J. Tyndall, 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 3 Years of Data Suggest VEB Reduce from Tunnel Fans: Delaware – – Ammonia 47% – Total dust 51% – Odor 13% X X 22 ft three row VEB

VEB Planting at University of Delaware Environmental House South North East West 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 University of Delaware Main Contact: George “Bud” Malone, Extension Poultry Specialist Research and Education Center 16483 County Seat Highway Georgetown, DE 19947 (302) 856 -7303 (302) 856 -2585 ext. 557 (302) 856 -1845 (FAX) [email protected] edu Other researchers: Dave Hansen, Assistant Professor, Soil and Environmental Quality Gary Van Wicklen, Extension Poultry Production Engineer, Assoc. Professor Bio. Resources Engineering