Air pollution prevention measures for autumn and winter of 2019
In the latest days, an official instructional file circulates in the circle of abrasive producers, it reads:
Abrasive grain industry, e.g. diamond producers, corundum producers, abrasive grain or powder producers (including refining or reworking enterprises), Abrasive tools manufacturing enterprises (including manufacturing grinding wheels, cutting wheels, sandpaper, etc.),
During the yellow warning period,
The coal-based sintering abrasives are cut by 50% (inclusive) or more (in terms of production lines), and the use of national-grade-four-emission(below, abreviate as national 4) and below heavy-duty trucks (including gas) for material transportation is prohibited.
During the orange warning period,
The coal-based sintering abrasives will stop production; the enterprises that use natural gas and liquefied petroleum gas as fuel will limit production by 50% or more(based on the production line); the use of heavy duty cargo vehicles of the national 4 or below is prohibited(including gas comsuming vehicles) for material transportation.
During the red warning period,
The abrasives enterprises stopped production and transportation was prohibited.
Those operative records will be inspected if considered necessary,
Electricity consumption records,
facility and operation records,
raw material usage/inventory,
truck transportation frequency,
spot measure of operating vehicle emission.
Sanmenxia city has begun to limit production, similiar with last year, it will last to March next year.