Tangshan city, the steel producing base in China, announced to conduct the heavy pollution weather II grade emergency response during 12:00 on January 8 to 24:00 on January 14. Details are as follows:

1 Steel industry

Ranking as Tier A: sintering mills located outside of urban area (including country center) are asked to cut 30 percent of production; those within the urban area (including country center) are to cut 40 percent;

Ranking as Tier B: sintering mills are asked to cut 50 percent;

Ranking as Tier C: sintering mills are asked to cut 60 percent;

Ranking as Tier D: full cutbacks.

2 Coking industry

Ranking as Tier A: coking time is asked to prolong to 28 hours;

Ranking as Tier B and C: coking time is asked to prolong to 36 hours.

3 Foundry industry

Ranking as Tier A: not in the list;

Ranking as Tier B: factories, except for machine-work ones, are to stop production;

Ranking as Tier C: to fully stop operation.

4 Building materials, cement and pesticide industry

6 Mining and crushing companies and facilities: to fully stop.