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Table 8: PCDD and PCDF mass emissions per tonne of metal, by process size

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Size category

Number of samples

Mass PCDD and PCDF per tonne of metal (&#956g I-TEQ tonne-1)a

Lowest

Highest

Average

Geometric mean

Median

Large

10

0.0027

17

2.3

0.13

0.097

Medium

5

0.080

89

18

0.73

0.30

Small-medium

4

0.0058

0.045

0.027

0.021

0.029

Small

4

0.0053

0.16

0.048

0.020

0.014

a Values include half the LODs