Original EA Amendment

Heritage Minerals MMM EA Compliance Review

Appendix C - Exceedance Graphs

MB05-S (Aluminium)

MB07-D (Aluminium)

1000 1500 2000 2500 3000

1000 1500 2000 2500 3000 3500 4000

0 500

0 500

Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24

Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24

MB05-S

WQO

MB07-D WQO

MB08-D (Aluminium)

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24 MB09 (Aluminium) MB09 WQO

10 12 14 16 18 20

0 2 4 6 8

Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24

MB08-D WQO

MB11 (Aluminium)

MB14 (Aluminium)

100 120 140 160 180 200

100 150 200 250 300 350 400

0 20 40 60 80

0 50

Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24

Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24

MB11

WQO

MB14

WQO

0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24 MB02 (Arsenic) MB02 WQO 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24 MB05-D (Arsenic) MB05-D WQO

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24 MB04-D (Arsenic) MB04-D WQO 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24 MB05-S (Arsenic) MB05-S WQO

Powered by