Truck photographs + review
The city describes cameras that photograph carts, a technician review, and notifications to the service account. Its program applies charges after repeat incidents, with photographic documentation. [3]
THE SYSTEMS BEHIND RECYCLING
Technology, made understandable.
Explore the tools that help communities collect waste, recover materials, and understand what happens along the way.
How can waste be traced to a household?A CLOSER LOOK
How can a recycling mistake be linked to a household?
The strongest connection is usually made at the bin, before its contents mix with other waste. There is no single system that tracks every piece of trash from every home.
AN ILLUSTRATIVE COLLECTION PROCESS
Record the pickup
Collection software can combine a bin scan with a lift event and the truck’s location. These records help match a pickup to an address. GPS alone does not prove which household put a particular item in a bin. [2]
Record: collection event + locationDocument the problem
A driver or inspector may check the cart before collection. Some trucks photograph material as the cart is emptied; software can flag likely contamination. A useful record keeps the image or observation connected to that specific pickup. [3][4]
Record: photo or inspection + pickupReview the evidence
Check that the cart and account match, the material is actually prohibited locally, and the image supports the finding. Chino Hills describes an additional technician review of truck images. A shared bin or a misplaced cart can complicate household attribution. [3]
Check: correct cart + clear evidenceApply the local process
The outcome may be education, a warning, a service charge or a formal citation. A hauler’s charge and a government fine are different. The applicable rules determine responsibility and enforcement; technology supplies records, not legal authority. [3][4][5]
Outcome: depends on local rules
DOCUMENTED EXAMPLES
Different tools.
Different local processes.
These examples explain how systems work. They do not establish the rules in Recyterra’s research locations.
Inspection at the curb
The county describes officers inspecting recycling carts and tagging contamination. Its published program uses corrective opportunities before a special collection or disposal fee for repeat violations. [4]
If I receive a notice, what should I check?
Look for the collection date, address or cart identifier, the item identified, any photograph or inspection record, and the specific rule. Check who issued the notice and follow its review or appeal instructions and deadlines. If the cart is shared or the address is incorrect, explain that when requesting a review.
This is a general reading guide. A notice’s requirements and deadlines come from the issuing organization and local rules.
EXPLORE THE TOOLS
A guide to recycling technology.
From collection records to biological treatment, each tool solves a different part of the problem. Open a topic to learn how it works and where its limits are.
Collection
Container IDs & route software
Connect the right bin with the right collection record.
Collection
Cameras & computer vision
Spot materials that do not belong in a waste stream.
How it works
Facility records
Weighing & material audits
Measure how much arrives and what a sample contains.
How it works
A weighbridge measures incoming loads. Facilities can sort and weigh samples to estimate material composition and contamination, keeping records associated with a supplier or batch. [6]
Keep in mind A load-level measurement does not identify an individual household’s contribution.
Sorting
Screens, magnets & eddy currents
Separate materials using their physical properties.
How it works
Screens separate material by size. Magnets recover magnetic metals such as steel. Eddy-current separators use changing magnetic fields to repel conductive nonferrous metals such as aluminum. [7]
Keep in mind The equipment and sequence differ by facility; separation does not make every incoming item recyclable.
Sorting
Optical sorting & robotics
Recognize materials and move them into separate streams.
How it works
Near-infrared sensors help distinguish materials such as different plastics. Cameras and software add visual classification. Air jets or robotic arms then separate selected items. [8]
Keep in mind Sensors, software and the mechanical sorter do different jobs. Performance depends on the materials and system design.
Return systems
Reverse vending machines
Identify eligible bottles and cans for deposit returns.
How it works
A machine checks features such as barcode, shape, weight and material against the local return system’s accepted containers. It counts accepted items and supports the appropriate refund. [9]
Keep in mind It accepts the containers covered by that program, rather than every recyclable object.
Organics
Controlled composting
Use oxygen and microorganisms to recycle organic matter.
How it works
Composting systems manage air, moisture, temperature and the mix of materials. These conditions help microorganisms break down suitable organic waste into compost. [10]
Keep in mind Accepted food scraps and packaging vary by program; a compostability label alone does not guarantee local acceptance.
Organics
Anaerobic digestion
Turn suitable organic waste into biogas and digestate.
How it works
In a sealed system without oxygen, microorganisms break down organic material. The process produces biogas that can be used for energy and a remaining material called digestate. [11]
Keep in mind This is a separate treatment process, not a way to recycle mixed plastic, glass and metal.
READ FURTHER
Sources & further reading.
Reviewed October 2026. Municipal and government sources describe public programs and processes. Manufacturer sources explain their own equipment; inclusion is not an endorsement.
- 01Municipal guidanceWheaton, Illinois: RFID cart scans and account-linked collection records
- 02Technology providerAMCS: How container IDs, lift records and GPS work together
- 03
- 04
- 05
- 06Government guidanceUK Environment Agency: Weighing and sampling incoming material by supplier
- 07
- 08Equipment manufacturerTOMRA: Sensors, software, air jets and robotic sorting
- 09Equipment manufacturerTOMRA: How reverse vending machines recognize containers
- 10Government explainerUS Environmental Protection Agency: Approaches to composting
- 11Government explainerUS Environmental Protection Agency: The basics of anaerobic digestion
- 12Government explainerUS Environmental Protection Agency: Collection, processing and remanufacturing