Original EA Amendment

Heritage Minerals MMM EA Compliance Review

Appendix C - Exceedance Graphs

2 3 4 5 6 7 8 9 Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24 MB02 (pH Value) MB02 WQO WQO lower 2 3 4 5 6 7 8 9 Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24 MB05-D (pH Value) MB05-D WQO WQO lower 2 3 4 5 6 7 8 9 Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24 MB07-D (pH Value) MB07-D WQO WQO lower 2 3 4 5 6 7 8 9 Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24 MB09 (pH Value) MB09 WQO WQO lower 2 3 4 5 6 7 8 9 Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24 MB14 (pH Value) MB14 WQO WQO lower

2 3 4 5 6 7 8 9 Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24 MB04-D (pH Value) MB04-D WQO WQO lower 2 3 4 5 6 7 8 9 Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24 MB05-S (pH Value) MB05-S WQO WQO lower 2 3 4 5 6 7 8 9 Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24 MB08-D (pH Value) MB08-D WQO WQO lower 2 3 4 5 6 7 8 9 Jul-22 Oct-22 Jan-23 Apr-23 Jul-23 Oct-23 Jan-24 Apr-24 Jul-24 Oct-24 MB11 (pH Value) MB11 WQO WQO lower

MB02 (Electrical Conductivity @ 25°C)

10000 12000

0 2000 4000 6000 8000

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

MB02

WQO

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