BWRP audit procedure manual

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Description

North East Waste Forum Business Waste Reduction Project Waste Audit Procedures Project Scope The Business Waste Reduction Project’s waste audits will involve the collection and assessment of the participating businesses’ mixed waste and/or recyclables or organics samples (where appropriate) across the five core NEWF member council regions – Ballina Shire; Byron Shire; Clarence Valley; Lismore City and Richmond Valley. Image courtesy Lismore City Council Sample design Generally, each business’ waste will be collected and sorted in order to define the composition of one week’s volume of waste. Due to time and funding constraints, composition will be calculated based on all or portions of waste collected for each business over a one week period. Each business’ waste sampling has been designed differently, depending on their size, preference dates/times for sampling and waste service providers. For example, all relatively small sized businesses will have all of their weekly waste audited. In comparison, some businesses, particularly larger ones have extremely variable waste over a weekly period. Such businesses will follow the sample collection outlined below. Sample Collection At least 2 staff will be allocated for the collection of samples either once they are delivered to the landfill site or on the business premises. Collection times ...

Informations

• Publié par: Ella
• Nombre de lectures: 11
• Langue: English

Extrait

Business Waste Reduction Project

Waste Audit Procedures

Project Scope

The Business Waste Reduction Project’s waste

audits will involve the collection and assessment

of the participating businesses’ mixed waste and/or

recyclables or organics samples (where

appropriate) across the five core NEWF member

council regions – Ballina Shire; Byron Shire;

Clarence Valley; Lismore City and Richmond

Valley.

Image courtesy Lismore City Council

Sample design

Generally, each business’ waste will be collected and sorted in order to define the

composition of one week’s volume of waste. Due to time and funding constraints,

composition will be calculated based on all or portions of waste collected for each

business over a one week period. Each business’ waste sampling has been designed

differently, depending on their size, preference dates/times for sampling and waste

service providers. For example, all relatively small sized businesses will have all of

their weekly waste audited. In comparison, some businesses, particularly larger ones

have extremely variable waste over a weekly period. Such businesses will follow the

sample collection outlined below.

Sample Collection

At least 2 staff will be allocated for the collection of samples either once they are

delivered to the landfill site or on the business premises. Collection times will vary

depending on the time the business’ waste contractor collects the waste from the

business premises or opening hours of the business.

Where waste service providers have been employed, the net weight of collected waste

will be calculated as the differential between entrance and exit weights of the waste

collection vehicle at the landfill weigh station. The pile of mixed waste will then be

North East Waste Forum

The information and advice offered by Full Circle Environmental Solutions was greatly appreciated in writing this document.

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divided into grids of approximately 1 m

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and each grid square assigned a number. A

random number table can then be used to select the grid squares to be sampled. In

cases where the quantity of collected waste is relatively small the entire sample will be

sorted.

Sorting Methodology and Material Identification

A team of audit staff will sort the waste into the general material categories based on

the EPA’s Waste Stream Data Collection Methodologies Material Composition Form.

Audit staff will be introduced to many of the material items during induction. However,

the majority of material category identification training will be learnt around the sorting

table.

Samples are then sorted into various sized containers according to the individual

material categories identified on the material composition form.

The arrangement of

containers for material categories may vary with each sample, depending on the

frequency and volume of a particular material category in each sample.

When the

complete sample is sorted into individual material categories, the samples boxes are

then moved to a separate area for data recording.

Data Recording

All empty sample containers are individually weighed prior to sorting. Throughout the

sort there will usually be two staff members weighing samples. One will be feeding the

material category boxes onto the scales and reading out the material category and the

weight of the empty sample container to be subtracted from the sample container

weight, and then empty the contents into the appropriate bin.

Depending on the

situation at each landfill/transfer station, separate bins will be assigned for mixed

waste, recyclables and/or organics.

The other staff member will be recording the weights and filling in the material

composition form.

All total columns are filled in before moving on to the next sample.

The sample weight is then compared with the weight on the back of the form recorded

prior to sorting.

A calculator is to be used for all calculations; it is also good practice to

double check the figures typed into the calculator.

The completed form is then placed

in a separate ‘completed’ folder for analysis.

Cleaning

At the end of each day, the sorting area is cleaned and swept, the waste sample

containers scrubbed with detergent. The floor usually needs to be swept several times

throughout the day. If it is a particularly windy day, a wind barrier will be arranged.