The subject of this tender is the supply, delivery and installation, commissioning and a service agreement for an automated filter weighing system, sequential low volume samplers, mobile air monitoring enclosure, internal supplies and services at various locations for the Environment and Resources Authority (ERA). This tender is composed of three lots as follows: • lot 1 - one (1) automated filter weighing system, • lot 2 - eight (8) sequential low volume samplers, • lot 3 - one (1) air monitoring mobile enclosure, internal supplies and services at various locations. All lots include training, commissioning, after-sales service and maintenance for the Environment and Resources Authority.