248x Filetype XLSX File size 0.22 MB Source: www.responsiblemineralsinitiative.org
Sheet 1: 1. Mass Balance
Company Name | ||||||||
Assessment Period | ||||||||
Mass Balance Calculation: | Legend: | |||||||
Closing inventory (calculated) = | Opening inventory (declared) + receipts - product shipments - estimated losses. | Raw Material | Any ore, intermediate or secondary material received from external sources. | |||||
Margin of Error Calculation: | Internal Reclaim | Any internally recycled material generated such as sweepings, filter cake, dust or other waste material | ||||||
Closing inventory (calculated) - Closing inventory (declared) | x 100 | = | < 10% | Work in Progress |
Material in production that are not calculated in stocks | |||
Total material processed | Product Shipments | Any finished good, secondary, intermediate, semi-processed, or other materials to be sold. | ||||||
Tolling | Any material received (included in the receipts) or shipped (included in the shipments) by the smelter under a tolling agreement. | |||||||
Losses | Residual solid Ta in ore/scrap materials, dissolved Ta in liquid waste streams, Ta fines in waste streams or others. Tin fume, fugitive losses or others | |||||||
THE AUDITOR MUST SUBMIT THE COMPLETED MASS BALANCE TEMPLATE BELOW. IF THE AUDITEE USED A DIFFERENT TEMPLATE FOR THE CALCULATION, THE AUDITEE SHALL WORK WITH THE AUDITOR TO TRANSLATE THE CALCULATION INTO THE TEMPLATE BELOW. AUDITEES AND AUDITORS ARE FREE TO ADD ADDITIONAL CATEGORIES (ROWS) FOR EACH SECTION (E.G. TYPES OF INVENTORY, TYPES OF SHIPMENTS) AS REQUIRED FOR THE AUDITEE'S SPECIFIC PROCESSES. |
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Mass Balance Period: | ||||||||
Material Mass (kg) | Gold % | Mass Gold (kg) |
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Opening Inventory ( + ) | ||||||||
Date of the Opening Inventory: | ||||||||
Raw Material In Stock | - | |||||||
Total Internal Reclaim | - | |||||||
Total Work in Progress | - | |||||||
Product Shipments Onsite | - | |||||||
Opening Inventory ( = ) | - | |||||||
Receipts ( + ) | ||||||||
Receipts for the Mass Balance Period | ||||||||
Raw Material Received | - | |||||||
Gold Bar | - | |||||||
Total Material Received ( = ) | - | |||||||
Shipments ( - ) | ||||||||
Shipments for the Mass Balance Period | ||||||||
Finished Product | - | |||||||
Material Shipped under Tolling Agreement | - | |||||||
Rejected Material | - | |||||||
Total Material Shipped ( = ) | - | |||||||
Losses ( - ) | ||||||||
Losses for the Mass Balance Period | ||||||||
Unrecoverable production losses | - | |||||||
Total Production Losses ( = ) | - | |||||||
Closing Inventory "CALCULATED" (Based on the information above) | ||||||||
Calculated Closing Inventory ( = ) | - | |||||||
Closing Inventory "DECLARED" (Based on LIS and other sources) | ||||||||
Date of the Ending Inventory | ||||||||
Total Work in Progress | - | |||||||
Finished Product | - | |||||||
Declared Closing Inventory ( = ) | - | |||||||
Total Material Processed | ||||||||
Opening Inventory | - | |||||||
Total Material Received | - | |||||||
Calculated Ending Inventory | - | |||||||
Total Material Processed ( = ) | - | |||||||
Error Margin Calculation | ||||||||
Closing Inventory "CALCULATED" | - | |||||||
Closing Inventory "DECLARED" | - | |||||||
Total Material Processed | - | |||||||
ERROR MARGIN ( = ) | #DIV/0! | |||||||
© 2018 Responsible Business Alliance, Inc. All Rights Reserved. |
Company Name: | |||||||||||
Assessment Period: | |||||||||||
Summary Table of Mine Purchases | |||||||||||
List all individual purchases of gold-bearing material | Lot Number | Date Received | Physical (Ore) Weight | Au Content | Au Volume | Name of Mine | Country of mine | Country of Origin Risk Level (High-risk, low-risk, DRC, Covered Countries) | Local Assay | ||
Name of supplier / trader (if applicable) | Country of supplier / trader (if applicable) | ||||||||||
lbs | % | lbs | supplier | supplier | source | source | source | % | |||
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TOTAL | |||||||||||
Company Name: | |||||
Assessment Period: | |||||
List all individual purchases of gold-bearing, recycled material | Lot Number | Date Received | Physical (Ore) Weight | Au Content | Au Volume |
List all individual purchases of gold-bearing, recycled material SPECIFY TYPE OF MATERIAL |
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lbs | % | lbs | |||
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TOTAL |
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