Table A5: Furnace type and air pollution control for other metals production

M1

M2

Y

Bag filter

M5

Diesel-fired furnace

Bag filter

SM7

Y

Bag filter

SM11

Y

None

SM17

Y

Bag filter

S2

Y

None

S4

Y

None

S16

Y

Y

Y

Bag filter

S17

Open (diesel)

None

S18

Y

None

S19

Y

None

S21

Y

None

S23

Pit

None

S28

Y

None

S30

Y

None

S32

Y

None

S40

Y

Filter extractor

S48

Y

None

S49

Y

Afterburner

Total

4

1

1

12

3

8