Transparent math behind our claims

Clear boundaries, factors, and formulas—so your numbers are reproducible.

Boundaries

Product mixed on site; comparison vs baseline liquid products delivered in 5–20 L plastic chemical cans; transport to site; packaging; end-of-life for containers/packaging.

Exclusions

• End-user variation beyond dilution guidance
• Manufacturing emissions (not yet included)
• Recycling process emissions
• Equipment replacement cycles

Configurable Defaults

Conservative assumptions you can override with your actual data

Plastic per Can

120g

Average HDPE container (5-20L range)

Recycling Rate

30%

National average for commercial plastic

Wastage Rate

15%

Liquid chemical over-dilution average

Freight Emission

62g CO₂e

Per tonne-km (road freight)

Delivery Cadence

Monthly

Typical for liquid chemical supply

Tab Packaging

Per tablet (cardboard box)

Formulas by Metric

Clear calculations with variable definitions

Plastic Containers Avoided

containers = (tabs_per_month × months × locations) / tabs_per_container_equivalent

tabs_per_month: User input

tabs_per_container_equivalent: 50 (default, ~15L liquid equivalent)

months: 12 (annual calculation)

Landfill Area Avoided

area_m² = containers_avoided × (1 - recycling_rate) × 0.05

containers_avoided: From previous calculation

recycling_rate: 0.30 (default, user-configurable)

0.05: Average m² per 5-20L container in landfill

Transport CO₂e Avoided

tCO₂e = (mass_liquid - mass_tabs) × distance × emission_factor / 1000

mass_liquid: containers × avg_container_weight (15kg)

mass_tabs: tabs × avg_tab_weight (3g)

distance: User input or default 100km

emission_factor: 62g CO₂e per tonne-km (default)

Water Not Shipped

water_L = containers_avoided × avg_container_volume × water_content_ratio

containers_avoided: From earlier calculation

avg_container_volume: 15L (default, 5-20L range)

water_content_ratio: 0.85 (85% water in typical liquid cleaners)

Cost Saved

savings = (liquid_cost - tab_cost) + delivery_savings + waste_handling_savings

liquid_cost: User input (current spend)

tab_cost: Calculated from volume × tab price

delivery_savings: Reduced frequency × delivery fee

waste_handling: Containers × disposal cost per unit

Energy Saved

energy_GJ = mass_difference × energy_per_tonne_km × distance / 1000

mass_difference: (mass_liquid - mass_tabs) in kg

energy_per_tonne_km: 2.5 MJ (road freight default)

distance: Delivery distance in km

Data Sources & Update Cadence

SDS: Product formulations and water content from safety data sheets, updated per batch
Supplier/Carrier Data: Freight emission factors from carriers' sustainability reports
Customer Delivery Notes: Actual delivery distances and frequencies from pilot programs
Quarterly Review: All assumptions reviewed and updated quarterly; versioned in our system

Scope 3 & NABERS Alignment

Scope 3 Category Mapping

Metric	Scope 3 Category
Transport CO₂e	Category 4: Upstream Transportation
Plastic Containers	Category 1: Purchased Goods & Services
Waste Handling	Category 5: Waste Generated
Energy (Freight)	Category 4: Upstream Transportation

NABERS-Style Reporting Support

Our methodology supports NABERS-style environmental reporting with clear boundaries, reproducible calculations, and conservative defaults. Impact estimates align with waste management and energy reduction categories.

Note: This methodology has not been formally accredited by NABERS but follows similar principles for transparency and reproducibility.

Use Our Methodology

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