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Inspection on farms


The danish approach to IPPC on livestock farming ... on certain conditions Applied techniques and BAT The intensive Rearing of Poultry and Pigs BREF ... – PowerPoint PPT presentation

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Title: Inspection on farms

Inspection on farms experiences from
DenmarkThe danish approach to IPPC on livestock
  • by Peter Dorff Hansen
  • Environmental Division
  • Ringsted Municipality

Main environmental problems
  • Odour problem (from the farm or the field)
  • Noise (animals, transport, field)
  • Surface water (manure/slurry)
  • Groundwater (pesticides, oil, manure/slurry)
  • Emissions of ammonia gas (nature)
  • Emissions of greenhouse gases (CO2, CH4)

Regulation in relation to..
  • Regional planning - County Council
  • Terms in approval - Municipality
  • BREF-note (Best Available Techniques)
  • National legal notice EPA
  • Case to case assessment and decision in relation
    to pollution prevention

Regional Planning
  • Assesment of environmental impact from project in
    relation to Nature, culture/landscape,
    groundwater, rivers/lakes etc.
  • Council Directive 85/337/EEC of 27 June 1985 on
    the assessment of the effects of certain public
    and private projects on the environment

Environmental approval
  • Size, type and composition of livestock
  • Activities and techniques
  • Odour assesment
  • Noise assesment
  • Wastewater treatment

Size and composition of livestock
  • Capacity of farm - size of buildings
  • Production level
  • Composition of animals (weight, number)
  • Documentation on production level (deliverance to

Activities and techniques
  • Map of location (buildings, size, function)
  • Housing system heating, ventilation
  • Feeding system
  • Drinkwater supply
  • Storagesystem for manure/slurry

Odour assesment
  • Emission on odour depends on
  • Type of livestock
  • Size of livestock
  • Outside temperature (climate)
  • (Feeding system, technology, handling)

Odour emissions from livestock (unit/sec pr. 1000
Species Average emission Worst case (summer)
Cattle 25 40
Poultry 80 120
Pigs Piglet Fattening pig Sow 140 100 40 210 150 60
Differencies in tolerance
  • Area no. I Town areas (1 unit/m3)
  • Area no. II Villages (3 unit/m3)
  • Area no. III Rural areas (10 unit/m3)
  • Example on odour assessment based on Guidelines
    on assessment of odour and reducing of
    inconviniences from livestocks

Noise assesment guidelines on accepted
noiselevel in rural areas
Monday Friday 7.00-18.00 Saturday 7.00-14.00 Monday Friday 18.00-22.00 Saturday 14.00-22.00 Sunday 7.00-22.00 All days 22.00-7.00
55 dB (A) 45 dB (A) 45 dB (A) (max. 55 dB (A) )
Wastewater treatment
  • Individual approval on wastewater
  • Oil separated and led to closed tank
  • Spread on fields on certain conditions

Applied techniques and BAT
  • The intensive Rearing of Poultry and Pigs BREF
    (Best Available Techniques reference document),
    July 2003
  • http//

Danish EPA - Legal notice on livestock farming
  • Limits on distance
  • Restrictions on handling and storage of manure
    and slurry
  • Limits on density of animals pr. hectare
  • Restrictions on handling and storage of chemicals
  • Obligation on inform in case of changes/expanding

Limits on distance
  • gt 50 meters to neighbors
  • Only in rural areas (not town/village areas)
  • More than 300 m to village
  • Demands on distance to watersupply, rivers,
    public roads, buildings, food industry

Handling and storage of manure/slurry
  • Min. 9 month storage capacity
  • Demands on storage construction and control
  • Cover on storage
  • Restriction on spreading (not in weekends, not
    from harvest to february)
  • Demands to spreading equipment

Limits on density of animals
  • Demands on owned field area
  • lt 4200 pigs ? 25
  • 4200 - 8750 pigs ? 60
  • gt 8750 pigs ? 100
  • Demands on harmonie livestock/field size
  • Max. 49 pigs pr. hectare

Restrictions in relation to chemicals
  • Education and certificate for user
  • Updated list on approved pesticides
  • Safe storage
  • Cleaning in field

New techniques coming up
  • Acid additives to slurry Saving nutrient
    (Ammonia NH3)
  • Biofilter air cleaning system
  • Ozone air cleaning system

Final Remarks
  • To day - Most environmental problems can/must be
    solved at the moment of location and/or changes
  • In future assesment on effect of new techniques
    (experiences and documentation)