Carbon-budget refrigerant handling limit calculator

The remaining carbon allowance limits emitted refrigerant; documented recovery permits a larger total handling loss. This is a scenario budget, not an asserted regulatory limit.

Units

m_{\text{loss,max}} = \frac{B - M_{\text{other}}}{\mathrm{GWP} \times \left(1 - \frac{r}{100}\right)}

Calculator

Enter the values you know and leave one box empty. Calculate finds the empty one, the result or any input.

Worked example

Given

$B$ = 150,000 lb CO2e
$M_{\text{other}}$ = 110,000 lb CO2e
$\mathrm{GWP}$ = 1,400 ratio
$r$ = 75 %

m_{\text{loss,max}} = \frac{150{,}000 - 110{,}000}{1400 \times \left(1 - \frac{75}{100}\right)} \approx 114.3

Symbols and units

Symbol	Meaning	Unit
$m_{\text{loss,max}}$	maximum total handling loss	lb
$B$	allowed inventory emissions	lb CO2e
$M_{\text{other}}$	other emissions on the same inventory boundary	lb CO2e
$\mathrm{GWP}$	stipulated refrigerant equivalence factor	ratio
$r$	documented fraction of handling loss recovered before emission	%

Symbol	Meaning	Unit
$m_{\text{loss,max}}$	maximum total handling loss	kg
$B$	allowed inventory emissions	kg CO2e
$M_{\text{other}}$	other emissions on the same inventory boundary	kg CO2e
$\mathrm{GWP}$	stipulated refrigerant equivalence factor	ratio
$r$	documented fraction of handling loss recovered before emission	%

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Results are estimates for study and screening. Check the inputs, units and assumptions before you use them for design, billing or contract decisions.