Skip to main content

Conversion for Diversion: Estimating your Volume to Weight Ratios

Most warehouses and factories do not have scales available to weigh disposal bins or their contents. This poses a problem for facility managers and sustainability coordinators: in order to comply with Diversion Rate reporting standards (TRUE, LEED, B-Corp) this material must have a weight reference.



When declaring a Diversion Rate it is important to provide the methodology used to determine your volume to weight statements. It would prove to be good practice to conduct some volume to weight ratio analysis at your facility because of the variables at play. However when that is not possible, or for rough estimation purposes, indexes do exist to assist you.

For this process, I'd like to introduce two resources that stand above all others.

In 1997 the Environmental Protection Agency produced a report, “Measuring Recycling: A Guide for State and Local Governments” that detailed a number of conversion factors. This list is continually updated with its last revision being in 2016. The document "Volume-to-Weight Conversion Factors" includes a wide variety of categories including Automotive, Carpentry, and Textiles, amongst many others. 

California's Department of Resources Recycling and Recovery (CalRecycle) brings together the state's recycling and waste management programs and continues a tradition of environmental stewardship. In doing so they provide some great resources, including their Conversion Factors resources, including OrganicsMetals, Construction and Demolition, Glass, Plastic, Paper, and Cardboard and even for randoms like Office Furniture. CalRecycle also lists their references and more resources here.

It is important to remember that any methodologies chosen should also be tested on your own materials as the slightest variable or abnormality becomes an impacting factor.

--

This post is referenced in the SJMC Bin Calibration Form.

Popular posts from this blog

B Corp at Beau's

As the closest of the BCorp breweries to my house (a swift 6 hrs), I was excited to speak with the "Not-so-Corporate Communications & Media Relations" coordinator Jen Beauchesne about Beau's efforts and dive into what has gained the reputation as a progressive environmental and social leader in the industry.

I’m a customer that just came in for a tour, “What is B Corp?” and “Why did you choose to become involved?”
A B-Corp is a Benefit Corporation, meaning a business that chooses to act as a force for good in the world. As a Certified B-Corporation, Beau’s meets higher standards of social and environmental performance, transparency, and accountability. We chose to become a B Corp for a number of reasons – to set an achievable example for other businesses, to give our customers the assurance of a third-party endorsement of our commitment to social good and the environment, and to help us build a roadmap for sustainable growth as a brewery.



As the B Corp Certification is …

TRUE Zero Waste Certification

GBCI’s TRUE Zero Waste certification program is used by facilities to define, pursue and achieve their Zero Waste goals, cutting their carbon footprint, supporting public health and reducing operational costs.

The certification goes beyond diversion numbers and focuses on the upstream policies and practices that make Zero Waste successful in any organization and beyond. TRUE certified spaces are environmentally responsible, more resource efficient and help turn waste into savings and additional income streams.

LEARN MORE ABOUT SJMC'S TRUE SERVICE PACKAGES

Benefits? TRUE certified facilities: Save money - Waste is a sign of inefficiency and the reduction of waste reduces costs.Progress faster - A zero waste strategy improves upon production processes and environmental prevention strategies, which can lead to larger, more innovative steps.Support sustainability - A zero waste strategy supports the three P’s – people, planet and profit.Improve material flows - A zero waste strategy us…

The State Of Resuables - Zero Waste Business Review

Spring has sprung and so have the projects at SJMC :) A Few Highlights Before We Go Into This Months Zero Waste Business Review...
I'm very proud to announce that SJMC has been chosen to provide Mainstem Malt with Sustainability Management Services. The main goal will be to develop the internal systems necessary to achieve B Corp Certification status. Mainstem brings malt users the ability to purchase locally malted grains from family farmers with a conservation ethic, which helps to relocalize of grain economies. Check them out at mainstemmalt.com





SJMC has launched online sales of the Bin Calibration Form. This was recently only available to my customers but I've been able to come up with a way to keep it broad enough to accommodate most businesses needs and help them identify their true bin service requirements. Check it out if you want to right-size your bin!



A project that I've not yet talked about in the ZW Biz Review is Dream Zero, a reusable cup rental business I recent…