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Paragraph 23 F1

Emission limit values for discharges of wastewater from the cleaning of waste gases are as provided for in Table 9—

Table 9

Polluting SubstancesEmission limit values for unfiltered samples (mg/l except for dioxins and furans)

1. Total suspended solids as defined in

Annex I of Directive 91/271/EEC concerning urban wastewater treatment

95%100%
3045

2. Mercury and its compounds, expressed

as mercury (Hg)

0.03

3. Cadmium and its compounds,

expressed as cadmium (Cd)

0.05

4. Thallium and its compounds,

expressed as thallium (Tl)

0.05

5. Arsenic and its compounds, expressed

as arsenic (As)

0.15

6. Lead and its compounds, expressed as

lead (Pb)

0.2

7. Chromium and its compounds,

expressed as chromium (Cr)

0.5

8. Copper and its compounds, expressed

as copper (Cu)

0.5

9. Nickel and its compounds, expressed

as nickel (Ni)

0.5

10. Zinc and its compounds, expressed as

zinc (Zn)

1.5
11. Dioxins and furans0.3 ng/l

Annotations

Textual amendments

F1

Sch. 22 inserted (1.11.2025) by The Environmental Authorisations (Scotland) Amendment Regulations 2025 (S.S.I. 2025/165), reg. 1(2), sch. 13 (with sch. 23)