Original EA Amendment

Heritage Minerals MMM EA Compliance Review

Appendix B - Grouped Groundwater Chemistry Graphs

Selenium

1

0.8

0.6

0.4

0.2

0

Jul-22

Oct-22

Jan-23

Apr-23

Jul-23

Oct-23

Jan-24

Apr-24

Jul-24

Oct-24

MB02

MB04-D

MB05-S

MB05-D

MB09

MB14

MB07-D

MB08-D

MB11

Zinc

100

80

60

40

20

0

Jul-22

Oct-22

Jan-23

Apr-23

Jul-23

Oct-23

Jan-24

Apr-24

Jul-24

Oct-24

MB02

MB04-D

MB05-S

MB05-D

MB09

MB14

MB07-D

MB08-D

MB11

Total Cyanide

0.01

0.008

0.006

0.004

0.002

0

Jul-22

Oct-22

Jan-23

Apr-23

Jul-23

Oct-23

Jan-24

Apr-24

Jul-24

Oct-24

MB02

MB04-D

MB05-S

MB05-D

MB09

MB14

MB07-D

MB08-D

MB11

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