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Elements and Performance Criteria

1. Identify all sources and uses of materials in process
   • Identify all sources of materials external to the site
   • Identify all sources of materials within the site, where appropriate
   • Identify all uses of materials by the process overall
   • Identify all uses of materials by each process unit
2. Calculate theoretical use of the materials
   • Calculate theoretical net consumption of material for each process unit
   • Calculate overall material balance for process/site
   • Evaluate the need for material consumption by process and units within the process compared to alternative processes/units
3. Measure actual use of materials
   • Determine actual net material consumption for overall process/site
   • Determine actual net material consumption for each process unit
   • Calculate difference between theoretical and actual material consumption by unit and overall
   • Identify actual emissions by each process unit
4. Develop strategies for reducing emissions
   • Rank units by difference between theoretical and actual material consumption
   • Rank units by actual material consumption
   • Develop strategies to reduce material consumption
5. Prepare a recommendation for an emissions reduction strategy
   • Consult with key stakeholders
   • Identify strategies required to meet regulatory or similar requirements
   • Rank strategies by benefit/cost ratio
   • Short-list preferred emission reduction strategies
   • Prepare recommendation for reducing emissions

Required Skills

Required knowledge includes nature of emissions point vs disperse identified source vs fugitive solid both particulate and mass liquid solutions emulsions and dispersed matter and gas including fumes and vapours material balancing techniques for process and process steps sometimes known as mass balancing methods of measuring actual process amountflows emission reduction strategies and methods along with costs effectiveness and alternative disposal strategies caused costbenefit analysis relevant legislation regulations and protocols ASNZS ISO Environmental Management Standards Required skills include mapping processes and material flows interpreting schematics and drawings calculating manipulating and interpreting numerical data including establishing series means correlations and rates of change ranking material consumption and emissions based on material balancing consulting with technical and operative staff on possible nonobvious sources of emissions fugitive emissions consulting and negotiating with stakeholders on implementation process for sustainability improvement preparing recommendations

Evidence Required

Overview of assessment	A person who demonstrates competency in this unit must be able to conduct an emissions audit including use of material balancing techniques and preparation of recommendations for emission reduction
Critical aspects for assessment and evidence required to demonstrate competency in this unit	Assessors must be satisfied that the candidate can competently and consistently apply the skills covered in this unit of competency in new and different situations and contexts Critical aspects of assessment and evidence include defining appropriate boundaries for the sustainability emissions audit conducting material balance analyses for a site or value chain identifying high emissions unitsareas undertaking benefitcost ratio analyses ensuring improvement strategies proposed reflect stakeholder needs and regulatory environment
Context of and specific resources for assessment	This unit of competency is to be assessed in the workplace or a simulated workplace environment Assessment should emphasise a workplace context and procedures found in the candidates workplace This unit of competency may be assessed with other relevant units addressing sustainability at the enterprise level or other units requiring the exercise of the skills and knowledge covered by this unit The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team
Method of assessment	In all cases practical assessment should be supported by questions to assess underpinning knowledge and those aspects of competency which are difficult to assess directly Where applicable reasonable adjustment must be made to work environments and training situations to accommodate ethnicity age gender demographics and disability The language literacy and numeracy demands of assessment should not be greater than those required to undertake the unit of competency in a worklike environment
Guidance information for assessment

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Range Statement

Emissions	Emissions refers to: the difference between material entering a process and product leaving the process
Materials	Materials include: materials directly used and also materials which comprise components which are used materials/resources which may be consumed to make a physical product materials which may be consumed in delivering a service (e.g. fuel, energy and other consumables)
Theoretical consumption	Theoretical consumptions includes: consideration of the relevant physics, chemistry and biology of the process to determine theoretical yield as well as assuming zero defective product
Net consumption	Net consumptions refers to: the difference between materials consumed and produced, where relevant

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