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CASE STUDY
OPERATOR: Murphy Farms
LOCATION: Greenville NC
DATE: August 1999

This facility is a hog finishing operation made up of 6 hog houses and a 4 acre lagoon. The total hog population on this site is around 7,440 at any given time.

All 6 hog houses flush into the lagoon by way of flush gully ditches. The water used for flushing purposes is top skimmed from the lagoon and pumped back into tanks located at the end of each hog house. The tanks automatically flush every 6 hours flushing approximately 22,000 gallons of lagoon water together with the liquid and solid waste from 7,440 hogs ( approximately 60 cubic yards) into the lagoon every 24 hours.

Over a three year period odor emissions from this facility resulted in rising tension between citizens and operators of the facility. Over this same period numerous complaints had been filed with state and local authorities.

In early August, 1999 EcoChem evaluated the problems. The objective was to demonstrate the effectiveness of EC-4000 Anti-Pollutant Bio-Stimulant in eliminating or significantly reducing odor emissions. Treatment commenced on August 14, 1999. The hog houses were sprayed with EC-4000 Stock Solution (EC-4000 Anti-Pollutant Bio-Stimulant mixed with water at a rate or 1:200) applied at a rate of 1 litre of stock solution per 40 square feet. The result, no detectable odors and no flies present in the hog houses. In addition the animals appeared to be less stressed.

The surface of the lagoon was blanket sprayed with EC-4000 Stock Solution (EC-4000 Bio-Stimulant Anti-Pollution mixed with water at a rate of 1:00) The result, no detectable odors.

Correspondence from Roy T. Forrest

I visited the Chuck Stokes Lower Field site on Aug. 16^th at all six houses and lagoon. There was no odor present at this visit. I walked around the entire site to make this observation.

On Aug. 17^th my son, Thomas Forrest, and I revisited the site and there was still no odor from the site.

My property is approximately four thousand feet from this site. I have a bicentennial farm that dates from 1797 and I am 76 years old, and have been plagued with odor for approximately three years.

It was my understanding that the Chuck Stokes Lower Field site had been treated with EC-4000 for odor on Aug. 14, 1999.

Date and Time	Wind Direction from the: (circle one)	Weather Pattern (circle all that apply)	Suspected Activities (circle all that apply)	Suspect farm	Other Information
Date: 8-13-99 Time: Afternoon	East South West North	Hot X Cold Humid X Foggy Calm X Breezy	Animal Barn X Lagoons X Spray Field Other:	Strong Odor	Barns had not been treated with EC-4000
Date: 8-15-99 Time: Afternoon	East South West North	Hot X Cold Humid X Foggy Calm X Breezy	Animal Barn X Lagoons Spray Field Other:	6 Houses No Odor	Houses Treated with EC-4000 on 8-14-99
Date: 8-17-99 Time: 5:30 PM	East South West North	Hot X Cold Humid X Foggy Calm X Breezy	Animal Barn X Lagoons X Spray Field Other:	No odor from lagoon. No odor in houses	Lagoon treated with EC-4000 on 8-16-99
Date: Time:	East South West North	Hot Cold Humid Foggy Calm Breezy	Animal Barn Lagoons Spray Field Other:
Date: Time:	East South West North	Hot Cold Humid Foggy Calm Breezy	Animal Barn Lagoons Spray Field Other: