Standards

CJ 247-2007 Quality of sludge from municipal wastewater treatment plant

This standard specifies the control items and limit values of pollutants in sludge from urban wastewater treatment plants.
This standard applies to sludge from urban wastewater treatment plants.
The sludge from wastewater treatment facilities in residential communities can be implemented in accordance with this standard.

Publish Date: 2007-01-29

CJ/T 239-2007 The disposal of sludge from municipal wastewater treatment plant—The classification

This standard specifies the classification and scope of sludge disposal methods for urban wastewater treatment plants.
This standard applies to the construction, operation, and management of sludge disposal projects in urban wastewater treatment plants.

Publish Date: 2007-01-29

CJ/T 249-2007 The disposal of sludge from municipal wastewater treatment plant—Sludge quality for co-landfilling

This standard specifies the technical requirements for the disposal of sludge from urban wastewater treatment plants by mixed landfilling in municipal solid waste landfills and its use as cover soil, including sampling and monitoring.
This standard applies to the disposal of sludge from urban wastewater treatment plants and the mixed landfilling of sludge with municipal solid waste.

Publish Date: 2007-01-29

CJ/T 245-2007 Syphonic roof outlet

This standard specifies the classification and marking, requirements, test methods, inspection rules and markings, packaging, and storage and transportation of siphon rainwater pots for siphon roof rainwater drainage systems in industrial and civil buildings.
This standard applies to siphon rainwater pots for siphon roof rainwater drainage systems in industrial and civil buildings.

Publish Date: 2007-01-16

CJ/T 240-2006 Air disc brake of city bus

This standard specifies the terms and definitions, model compilation methods, requirements, test methods, inspection rules, marking, packaging, transportation, and storage for pneumatic disc brakes used in urban buses.
This standard applies to all types of urban bus pneumatic disc brakes. Other vehicles using pneumatic disc brakes may refer to and adopt it as needed.

Publish Date: 2006-12-29

CJ/T 230-2006 Requirements and test methods of brake performance for city bus retarder

This standard specifies the terms and definitions, requirements, and test methods for urban bus retarders.
This standard applies to Class A, Class I, and Class II urban buses of M2 and M3 categories.

Publish Date: 2006-11-29

CJ/T 236-2006 Urban railway transportation platform screen door system

This standard specifies the technical requirements, testing and packaging, transportation and storage for platform screen doors in urban rail transit stations.
This standard applies to the design, manufacture, inspection, and acceptance of platform screen doors in urban rail transit stations.

Publish Date: 2006-11-29

CJ/T 222-2006 Quality assessment procedures and test rules for gas-burning appliances for domestic use

This standard specifies the inspection procedures, sampling plans, inspection items, and conformity assessment procedures for first-party inspections, second-party inspections, and third-party inspections of household gas-fired appliances and their related components using urban gas.
This standard applies to the conformity assessment procedures and inspections of urban gas-fired appliances and their related components.

Publish Date: 2006-06-26

CJ/T 260-2007 Heat cost allocators with electrical energy supply

This standard specifies the terms, general provisions, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of electronic heat distribution meters.
This standard applies to electronic heat distribution meters used in hot water heating systems to determine the heat consumption of room convection radiators, but it does not apply to other hot water heating systems such as floor radiant heating, ceiling radiant heating, and fan-equipped radiators.

Publish Date: 2006-06-21

CJ/T 228-2006 Gas-fired heating and hot water combi-boilers

Publish Date: 2006-03-26

CJ/T 229-2006 Light emitting diode for city bus

This standard specifies the terms and definitions, product models, requirements, test methods, inspection rules, marking, packaging, and storage for LED displays (hereinafter referred to as "displays") in urban buses.
This standard applies to displays in urban buses. Displays for other vehicles can be used as a reference for adoption.

Publish Date: 2006-03-26

CJ/T 223-2006 Steel pipes and fittings of the (HA) alloy deposits

This standard specifies the marking, requirements, test methods, inspection rules, labeling, packaging, transportation, and storage of alloy-coated (HA) steel pipes and fittings (referred to as coated steel pipes and fittings).
This standard applies to alloy-coated (HA) steel pipes and fittings used for conveying fluids such as cold and hot water, drinking water, fire water supply, gas, compressed air, oil, and steam, as well as for other purposes.

Publish Date: 2006-01-11