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Elements and Performance Criteria

  1. Prepare for water quality sampling.
  2. Conduct water quality sampling.
  3. Record sampling data.

Required Skills

This describes the essential skills and knowledge and their level required for this unit

Required skills

prepare collect label and preserve water samples

dispose of waste and spent samples correctly

produce reports and logs

plan work activities

work effectively as part of a team

perform taskrelated calculations

identify and obtain resources

follow plans and instructions

apply procedures and standards

communicate work requirements

use literacy skills in regard to verbal and written communication in the workplace

use personal protective equipment

Required knowledge

types and purposes of water samples

procedures and techniques for water sampling

water sample preparation including

prevention of contamination

volume of sample

appropriate containers

preservation

location selection

location maintenance

equipment

transportation

documentation procedures for water samples

disposal procedures for waste and excess water samples

taskrelated calculations

legislative and organisational policies procedures and standards

communication systems

work planning processes

effects of weather and conditions on work

hazards associated with collection of water samples

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge the range statement and the Assessment Guidelines for the Training Package

Critical aspects for assessment and evidence required to demonstrate competency in this unit

The candidate should demonstrate the ability to perform basic water sampling by

planning and preparing for water sampling tasks

collecting samples according to sampling plan

maintaining integrity of water samples

recording all required information

Context of and specific resources for assessment

Access to the workplace and resources including

documentation that should normally be available in a water industry organisation

relevant codes standards and government regulations

Where applicable physical resources should include equipment modified for people with disabilities

Access must be provided to appropriate learning and assessment support when required

Assessment processes and techniques must be culturally appropriate and appropriate to the language and literacy capacity of the candidate and the work being performed

Validity and sufficiency of evidence requires that

competency will need to be demonstrated over a period of time reflecting the scope of the role and the practical requirements of the workplace

where the assessment is part of a structured learning experience the evidence collected must relate to a number of performances assessed at different points in time and separated by further learning and practice

a decision of competence should only be made when the assessor has complete confidence in the persons competence over time and in various contexts

all assessment that is part of a structured learning experience must include a combination of direct indirect and supplementary evidence

where assessment is for the purpose of recognition RCCRPL the evidence provided will need to be authenticated and show that it represents competency demonstrated over a period of time

assessment can be through simulated projectbased activity and must include evidence relating to each of the elements in this unit

In all cases where practical assessment is used it will be combined with targeted questioning to assess the underpinning knowledge Questioning will be undertaken in a manner appropriate to the skill levels of the operator and cultural issues that may affect responses to the questions and will reflect the requirements of the competency and the work being performed


Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Add any essential operating conditions that may be present with training and assessment depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts.

Samples may include:

grab, composite or flow-weighted composite samples for:

microbiological testing

testing for chemical and physical characteristics

Organisational requirements may include:

standard operating procedures

Australian standards, for example AS/NZS 5667 Water quality - sampling

state Environment Protection Authority sampling guidelines

legislative requirements

OHS

Sampling equipment may include:

buckets or wide-mouthed containers

depth samplers

sample dippers

sterile sample containers:

plastic

glass

test-specific, such as acid washed

weighted sample bottles

dip tubes

composite and discrete automatic samplers

Sample preservation methods may include:

refrigeration

freezing

chemical addition, such as acidification

shielding from direct sunlight

filtration

Planning sampling work activities may include:

interpretation of instructions and directions

timelines

interaction and communication with team members and individuals

customer service requirements

Sampling locations may include:

raw water supply, including:

surface water

groundwater

water distribution and treatment systems

wastewater collection and treatment systems

Records may include:

sample records, field detail sheets or chain of custody forms, including information such as:

time sample was taken

details of person collecting sample

sample point

volume of sample

data gathered at time of collection

pre-treatment

preservation

instructions to transporters