Identify and control the environment for the safe storage of items — Pearson EDI QCF Applied Science Revision

    This element focuses on the practical skills and underpinning knowledge required to establish and maintain storage environments that prevent the deteriorat

    Topic Synopsis

    This element focuses on the practical skills and underpinning knowledge required to establish and maintain storage environments that prevent the deterioration of archaeological items. Learners must demonstrate competence in identifying suitable conditions—such as temperature, relative humidity, light levels, and pest control—tailored to different material types, and in using monitoring equipment and control measures to sustain these conditions over time.

    Key Concepts & Core Principles

    Exam Tips & Revision Strategies

    Common Misconceptions & Mistakes to Avoid

    Examiner Marking Points

    Identify and control the environment for the safe storage of items

    PEARSON EDI
    vocational

    This element focuses on the practical skills and underpinning knowledge required to establish and maintain storage environments that prevent the deterioration of archaeological items. Learners must demonstrate competence in identifying suitable conditions—such as temperature, relative humidity, light levels, and pest control—tailored to different material types, and in using monitoring equipment and control measures to sustain these conditions over time.

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    Learning Outcomes
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    Assessment Guidance
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    Key Skills
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    Key Terms
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    Assessment Criteria

    Assessment criteria

    Pearson EDI Level 3 NVQ Certificate in Archaeological Practice

    Topic Overview

    The Pearson EDI Level 3 NVQ Certificate in Archaeological Practice is a vocational qualification designed for individuals working or seeking to work in archaeology. It focuses on developing practical skills and knowledge required for archaeological fieldwork, post-excavation analysis, and heritage management. The qualification covers key areas such as excavation techniques, recording methods, finds processing, and understanding archaeological contexts. It is assessed through a portfolio of evidence demonstrating competence in real work environments, making it ideal for those pursuing careers as archaeological technicians, site assistants, or museum assistants.

    This qualification is part of the wider Applied Science framework, linking archaeological practice with scientific principles such as stratigraphy, dating methods (e.g., radiocarbon dating), and environmental analysis. It emphasizes the importance of accurate data collection, health and safety protocols, and ethical considerations in heritage management. By completing this NVQ, students gain nationally recognized competence that directly supports progression to higher-level qualifications or employment in the heritage sector.

    Mastery of this certificate requires a blend of theoretical understanding and hands-on experience. Students must demonstrate proficiency in tasks like setting out trenches, using surveying equipment (e.g., total stations), and producing site records. The qualification also encourages critical thinking about how archaeological evidence informs our understanding of past human societies, making it a valuable stepping stone for further study in archaeology, anthropology, or conservation.

    Key Concepts

    Core ideas you must understand for this topic

    • →Stratigraphy and the Law of Superposition: Understanding how layers of soil and artefacts accumulate over time, and using this to establish relative chronologies.
    • →Context Recording: The systematic documentation of each archaeological unit (context) including its location, composition, and relationships, using standardised forms and plans.
    • →Finds Processing: Correctly handling, cleaning, labelling, and storing artefacts and ecofacts to preserve their integrity for analysis.
    • →Health and Safety in Archaeology: Implementing risk assessments, using PPE, and following procedures for working on excavation sites, including dealing with hazardous materials like asbestos or sharp objects.
    • →Post-Excavation Analysis: Techniques for analysing finds, such as pottery typology, faunal remains identification, and environmental sampling (e.g., flotation for plant remains).

    Learning Objectives

    What you need to know and understand

    • Be able to identify the appropriate environment in which to maintain and protect items, Be able to control the environment to preserve and protect items, Know about the different environments applicable to archaeological items, Know how to monitor the suitability of the storage environment

    Assessment Criteria

    Key criteria assessors look for in your portfolio

    • Award credit for demonstrating the ability to assess the composition and condition of items to determine specific environmental requirements (e.g., stable RH below 45% for ferrous metals, UV-filtered lighting for textiles).
    • Award credit for correctly selecting and justifying the use of passive or active storage materials and enclosures (e.g., acid-free tissue, silica gel, sealed containers) to buffer against fluctuations.
    • Award credit for evidence of implementing regular monitoring routines using appropriate equipment (such as thermohygrometers, light meters, sticky traps), recording data, and interpreting readings against established conservation guidelines.
    • Award credit for identifying and responding to environmental threats or breaches—such as mould growth, insect activity, or condensation—by describing corrective actions taken to re-establish safe conditions.

    Assessment Guidance

    Guidance for achieving higher grades

    • 💡In your portfolio, clearly link each item's material composition (e.g., wood, leather, copper alloy) to the specific environmental risks and your chosen control measures, referencing authoritative standards such as BS EN 16893 or Museum Accreditation Standards.
    • 💡When documenting monitoring, always state the frequency of readings, the type and calibration status of instruments used, acceptable parameters, and step-by-step procedures followed when limits were exceeded.
    • 💡Use photographic evidence and annotated floor plans to demonstrate how you have zoned storage areas for different environmental needs, showing airflow, light exclusion, and segregation of vulnerable materials.
    • 💡Show you can assess external factors: note the influence of building structure, seasonal changes, and location of heating pipes or windows, and describe how you mitigate these through passive or mechanical controls.
    • 💡When compiling your portfolio, ensure each piece of evidence is clearly cross-referenced to the relevant NVQ unit and performance criteria. Use annotated photographs and detailed logs to demonstrate your competence.
    • 💡Pay close attention to the use of correct terminology in your written records. For example, distinguish between 'fill' (the material within a cut) and 'deposit' (a layer of material), as examiners look for precise language.
    • 💡Show that you understand the 'why' behind procedures, not just the 'how'. For instance, explain why a specific sampling strategy was chosen for environmental remains, linking it to research questions.

    Common Mistakes

    Common errors to avoid in your coursework

    • Assuming that all archaeological items can be stored at a single, universal set of environmental parameters without considering material-specific degradation mechanisms.
    • Failing to distinguish between immediate storage needs post-excavation and long-term curation requirements, leading to inappropriate choices like using non-archival packing materials.
    • Misinterpreting monitoring data—for example, conflating temperature and relative humidity interdependencies or ignoring seasonal drift—and not taking timely corrective action.
    • Overlooking the impact of light exposure on organic materials, or only considering visible light while neglecting UV and IR radiation.
    • Misconception: Archaeology is just about digging up treasure. Correction: Archaeology is a scientific discipline focused on understanding past human behaviour through systematic recovery and analysis of material culture, not treasure hunting.
    • Misconception: All artefacts should be cleaned immediately. Correction: Some artefacts (e.g., waterlogged wood, fragile metal) require specialist conservation before cleaning; improper cleaning can destroy evidence.
    • Misconception: Stratigraphy is always horizontal. Correction: Archaeological layers can be sloping, truncated, or disturbed by later features (e.g., pits, burials), so careful interpretation is needed.

    Frequently Asked Questions

    Common questions students ask about this topic

    Before You Start

    Prior knowledge that will help with this topic

    • •Basic understanding of archaeological principles (e.g., from GCSE History or an introductory course).
    • •Numeracy and literacy skills sufficient to complete site records and interpret measurements.
    • •Familiarity with health and safety practices in outdoor or manual work environments.

    Key Terminology

    Essential terms to know

    • Be able to identify the appropriate environment in which to maintain and protect items, Be able to control the environment to preserve and protect items, Know about the different environments applicable to archaeological items, Know how to monitor the suitability of the storage environment

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