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Table 7: PCDD and PCDF mass emissions per tonne of metal melted

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Site reference

Sample reference

Mass PCDD and PCDF per tonne of metala

(&#956g I-TEQ tonne-1)

(&#956g WHO-TEQ tonne-1)

A

S1

0.30

0.35

S2

0.59

0.64

B

S3

0.20

0.20

S4

0.0037

0.0044

S5

0.059

0.064

C

S6

0.030

0.028

S7

0.14

0.11

D

S8

0.0053

0.0056

S9

0.017

0.018

E

S10

0.0027

0.0030

F

S11

4.9

5.4

S12

17

19

G

S13 + S14b

0.041

0.043

S15

0.017

0.019

H

S16 + S17b, c

0.072c

0.076c

S18 + S19b

89

95

I

S20

0.080

0.086

S21

0.17

0.17

J

S22

0.54

0.61

S23

0.053

0.057

K

S24

0.045

0.053

S25

0.0058

0.0065

Ld

Av(S26 and S27)

0.011

0.011

Av(S28 and S29 + S30b)

0.16

0.17

a Values include half the LODs.

b The results are added together because the samples were split into particle and gas phase PCDD and PCDF.

c Sample not representative of metal melting.

d Samples representative of melting and casting.

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Table 7: PCDD and PCDF mass emissions per tonne of metal melted

March 2021

© Ministry for the Environment