Biosolids (Class A and B)

Biosolids/sewage sludge is a solid, semi-solid, or liquid residue generated during the treatment of domestic sewage in a treatment works. Sewage sludge includes scum or solids removed in primary, secondary, or advanced wastewater treatment processes and any material derived from sewage sludge (e.g., a blended sewage sludge/fertilizer product) but does not include grit and screenings or ash generated by the firing of sewage. When properly treated and processed, sewage sludge becomes biosolids which are nutrient-rich organic materials produced from wastewater treatment facilities. Biosolids can be recycled and applied as fertilizer to improve and maintain productive soils and stimulate plant growth.

Auto Shredder Waste

Auto Shredder Waste is the shredding of scrap metal (e.g., end-of-life vehicles) results in a mixture of recyclable materials (e.g., ferrous metals and nonferrous metals) and non-recyclable material (i.e., metal shredder waste). Aggregate is generated after the initial separation of ferrous metals, and consists of nonferrous metals which can be further recovered and metal shredder waste. Metal shredder waste consists mainly of glass, fiber, rubber, automobile fluids, dirt and plastics found in automobiles and household appliances that remain after the recyclable metals have been removed.

Fly Ash

What is fly ash? Fly ash is the finely divided residue that results from the combustion of pulverized coal or wood and is transported from the combustion chamber by exhaust gases.

Fly ash is produced by coal-fired electric, wood burning and steam generating plants. Typically, coal is pulverized and blown with air into the boiler’s combustion chamber where it immediately ignites, generating heat and producing a molten mineral residue. Boiler tubes extract heat from the boiler, cooling the flue gas and causing the molten mineral residue to harden and form ash. Coarse ash particles, referred to as bottom ash or slag, fall to the bottom of the combustion chamber, while the lighter fine ash particles, termed fly ash, remain suspended in the flue gas. Prior to exhausting the flue gas, fly ash is removed by particulate emission control devices, such as electrostatic precipitators or filter fabric baghouses.


Sandblasting Media is used to clean dirt, corrosion, paint or other coatings from a variety of surfaces. Common industries where sandblasting is applied include shipbuilding and maintenance, transportation bridge maintenance, and military operations.

Additional Materials for Disposal

  • Compost-derived waste
  • Dead animals
  • Destructed cannabis/ marijuana (including consumables)
  • Digestates
  • Drill cuttings
  • Granulated silica
  • Industrial sand-based waste
  • Non-compostable winery pulp/waste
  • Non-friable asbestos
  • Poultry waste (non-manure)
  • Shredded PVC pipe
  • Slag
  • Wastewater grit
  • Wastewater sloughing

Additional Materials for Beneficial Use Onsite

  • Asphalt grindings
  • Brick
  • Clean asphalt
  • Combination rock
  • Concrete
  • Gravel

Additional Daily Cover Material

  • Almond shells/hulls
  • Auto shredder waste
  • Biosolids
  • Clay
  • Compost
  • Construction and demolition
  • Contaminated sediment
  • Dirt
  • Fly ash
  • Green material
  • Pistachio shells/hulls
  • Silt

All Waste Streams (Complete List)

Almond shells/hulls Drill cuttings
Asphalt grindings Fly Ash (cogeneration ash)
Auto shredder waste Granulated silica
Biosolids (Class A and B) Gravel
Brick Green material
Clay Industrial sand-based waste
Clean asphalt Lime filter cake
Combination rock Non-compostable winery pulp/waste
Compost Non-friable asbestos
Compost-derived waste Pistachio shells/hulls
Concrete Poultry waste (non-manure)
Construction and demolition Sand blast media (spent)
Contaminated sediment Shredded polyvinyl chloride (PVC) pipe
Dead animals Silt
Destructed cannabis/ marijuana (including consumables) Slag
Digestates Wastewater grit
Dirt Wastewater sloughing


Holloway strives to be in compliance with all environmental standards and to maintain a sustainable landfill for years to come. For details on the Permits, Capacity and Waste Streams that govern Holloway Environmental, please visit our Regulations page.

Contact Sales to discuss your waste stream needs.

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