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A landfill is a site for the disposal of waste materials by burial. It is the oldest form of waste treatment. Historically, landfills have been the most common method of organized waste disposal and remain so in many places around the world.
Landfills may include internal waste disposal sites (where a producer of waste carries out their own waste disposal at the place of production) as well as sites used by many producers. Many landfills are also used for waste management purposes, such as the temporary storage, consolidation and transfer, or processing of waste material (sorting, treatment, or recycling).
A landfill, by the nature of the wastes placed in it, will generate dangerous gases. These gases can pose serious health and safety problems for operators and the community, both during the operation of the landfill and after it has been closed, so facilities must have landfill gas monitoring and control program plans.
When designing systems for landfill facilities, or solid waste facilities in general, keep in mind the requirement for regular preventative maintenance, and ensure that sensors will be accessible. For combustible sensors mounted at/near the roof consider a remote calibration set-up that allows the sensors to be calibrated without the use of a ladder or lift.
For landfill applications we offer a variety of monitor options ranging from single/dual channel units such as the AMC-1A series, to larger multi-channel units like the AMC-1400 and AMC-1800. For larger applications or facilities that require systems to integrate over BACnet our AMC-1DBx monitor can be tailored to suit.
Generally for this type of application there is a premium on ruggedness, so it is not uncommon for the equipment specified to be explosion-proof, even if not strictly required. For toxic gases such as nitrogen dioxide, carbon monoxide and hydrogen sulphide the AMC-210 series provides excellent value in a simple 2-wire 4-20 mA transmitter. If more advanced features are required the highly configurable AMC-DTR is a good option.
For combustible gas our AMC-360 Series and AMC-CSA-CAT great value options for monitoring combustible gases. If there is a requirement for more complex features, including display, non-intrusive calibration, or local relays then the AMC-DTR would be our recommendation.