clear-cutting, primary forest to arable land, pasture, man made BR-ES
1 kilogram of land tenure, arable land, measured as carbon net primary productivity, pasture, man made; an inventory of 2,144 flows, of which 2,144 reached a consensus flow and 0 did not.
692926d6-2f91-4fcf-854d-9de82e3226ee · brightway ee089f6a442b6fbc2e91820bb814398b · ISIC rev.4 ecoinvent: 0162:Support activities for animal production · CPC: 7: Financial and related services; real estate services; and rental and leasing services
| Category | Vendor | This list | Ours ÷ theirs | Band | Unmapped share |
|---|---|---|---|---|---|
|
acidification
mol H+-Eq
|
0.071942 | 0.071942 | 1.000 | within tolerance | 0.00 |
|
climate change
kg CO2-Eq
|
64.003003 | 61.513923 | 0.961 | 2x | 0.00 |
|
climate change: biogenic
kg CO2-Eq
|
5.5349e-04 | 4.3954e-04 | 0.794 | 2x | 0.00 |
|
climate change: fossil
kg CO2-Eq
|
1.125306 | 1.066104 | 0.947 | 2x | 0.00 |
|
climate change: land use and land use change
kg CO2-Eq
|
62.877143 | 60.447379 | 0.961 | 2x | 0.00 |
|
ecotoxicity: freshwater
CTUe
|
44.674017 | 42.700335 | 0.956 | 2x | 0.00 |
|
ecotoxicity: freshwater, inorganics
CTUe
|
38.073459 | 38.371065 | 1.008 | within tolerance | 0.00 |
|
ecotoxicity: freshwater, organics
CTUe
|
4.328436 | 4.329269 | 1.000 | within tolerance | 0.00 |
|
energy resources: non-renewable
MJ, net calorific value
|
5.865074 | 5.864972 | 1.000 | within tolerance | 0.00 |
|
eutrophication: freshwater
kg PO4-Eq
|
3.5269e-05 | 3.5269e-05 | 1.000 | within tolerance | 0.00 |
|
eutrophication: marine
kg N-Eq
|
0.010531 | 0.01053 | 1.000 | within tolerance | 0.00 |
|
eutrophication: terrestrial
mol N-Eq
|
0.301842 | 0.301842 | 1.000 | within tolerance | 0.00 |
|
human toxicity: carcinogenic
CTUh
|
9.3507e-08 | 9.3500e-08 | 1.000 | within tolerance | 0.00 |
|
human toxicity: carcinogenic, inorganics
CTUh
|
3.4406e-18 | 6.1292e-11 | 17814510.189 | over 100x | 0.00 |
|
human toxicity: carcinogenic, organics
CTUh
|
9.3438e-08 | 9.3438e-08 | 1.000 | within tolerance | 0.00 |
|
human toxicity: non-carcinogenic
CTUh
|
1.3155e-06 | 2.2452e-08 | 0.017 | 100x | 0.00 |
|
human toxicity: non-carcinogenic, inorganics
CTUh
|
1.2981e-06 | 5.8282e-09 | 0.004 | over 100x | 0.00 |
|
human toxicity: non-carcinogenic, organics
CTUh
|
1.6624e-08 | 1.6624e-08 | 1.000 | within tolerance | 0.00 |
|
ionising radiation: human health
kBq U235-Eq
|
0.027193 | 0.027193 | 1.000 | within tolerance | 0.00 |
|
land use
dimensionless
|
542.150403 | 542.150423 | 1.000 | within tolerance | 0.00 |
|
material resources: metals/minerals
kg Sb-Eq
|
2.8243e-07 | 2.8243e-07 | 1.000 | within tolerance | 0.00 |
|
ozone depletion
kg CFC-11-Eq
|
9.3554e-08 | 9.3556e-08 | 1.000 | within tolerance | 0.00 |
|
particulate matter formation
disease incidence
|
8.2636e-07 | 8.2636e-07 | 1.000 | within tolerance | 0.00 |
|
photochemical ozone formation: human health
kg NMVOC-Eq
|
0.119015 | 0.119015 | 1.000 | within tolerance | 0.00 |
|
water use
m3 world eq. deprived
|
0.024127 | 0.03505 | 1.453 | 2x | 0.00 |
climate change: flow by flow
Every flow whose contribution the comparison kept — all that differ, and the agreeing ones above a thousandth of the score — largest gap first. Amounts are per 1 kilogram; where the consensus flow is measured in another unit, × is the conversion the merge recorded and our factor is per that unit.
| Vendor flow | Consensus flow | Amount | × | Their factor | Our factor | Theirs | Ours | Gap | Reason |
|---|---|---|---|---|---|---|---|---|---|
| Carbon monoxide, from soil or biomass stock 68b9b577-90cf-49e4-88bb-a55d80f3ac5d |
Carbon Monoxide (land Use Change) | 1.19829 | — | 1.57 | — | 1.881316 | 0 | -1.881316 | no consensus factor |
| Methane, from soil or biomass stock 9541a975-800f-4fed-9edf-28f6e411a015 |
Methane (land Use Change) | 0.07835 | — | 36.799999 | 29.8 | 2.88327 | 2.334822 | -0.548448 | factor differs |
| Dinitrogen monoxide afd6d670-bbb0-4625-9730-04088a5b035e |
Nitrous Oxide | 0.002306 | — | 298 | 273 | 0.687279 | 0.629622 | -0.057658 | factor differs |
| Ethane e7e0031e-791d-42f4-b26c-ec322db637bc |
Ethane | 0.013829 | — | — | 0.437 | 0 | 0.006043 | 0.006043 | only consensus factor |
| Carbon monoxide, fossil 099b36ab-4c03-4587-87f4-2f81e337afb8 |
Carbon Monoxide (fossil) | 0.001848 | — | 1.57 | — | 0.002902 | 0 | -0.002902 | no consensus factor |
| Carbon monoxide, fossil ba2f3f82-c93a-47a5-822a-37ec97495275 |
Carbon Monoxide (fossil) | 0.001375 | — | 1.57 | — | 0.002159 | 0 | -0.002159 | no consensus factor |
| Methane, fossil 70ef743b-3ed5-4a6d-b192-fb6d62378555 |
Methane (fossil) | 2.7933e-04 | — | 36.799999 | 29.8 | 0.010279 | 0.008324 | -0.001955 | factor differs |
| Dinitrogen monoxide 20185046-64bb-4c09-a8e7-e8a9e144ca98 |
Nitrous Oxide | 1.3978e-05 | — | 298 | 273 | 0.004165 | 0.003816 | -3.4944e-04 | factor differs |
| Methane, fossil 0795345f-c7ae-410c-ad25-1845784c75f5 |
Methane (fossil) | 2.7143e-05 | — | 36.799999 | 29.8 | 9.9888e-04 | 8.0888e-04 | -1.9000e-04 | factor differs |
| Methane, non-fossil baf58fc9-573c-419c-8c16-831ac03203b9 |
Methane (biogenic) | 1.3813e-05 | — | 34 | 27 | 4.6966e-04 | 3.7296e-04 | -9.6694e-05 | factor differs |
| Methane, fossil 5f7aad3d-566c-4d0d-ad59-e765f971aa0f |
Methane (fossil) | 5.5447e-06 | — | 36.799999 | 29.8 | 2.0405e-04 | 1.6523e-04 | -3.8813e-05 | factor differs |
| Propane 9beb60a3-3a8c-4345-9a0e-107eec2f709f |
Propane | 0.00173 | — | — | 0.02 | 0 | 3.4594e-05 | 3.4594e-05 | only consensus factor |
| Methane, non-fossil 57bdb443-d4a6-423d-8024-959b8261d02e |
Methane (biogenic) | 2.4588e-06 | — | 34 | 27 | 8.3600e-05 | 6.6388e-05 | -1.7212e-05 | factor differs |
| Carbon monoxide, fossil 6edcc2df-88a3-48e1-83d8-ffc38d31c35b |
Carbon Monoxide (fossil) | 8.1166e-06 | — | 1.57 | — | 1.2743e-05 | 0 | -1.2743e-05 | no consensus factor |
| Dinitrogen monoxide 6dc1b46f-ee89-4495-95c4-b8a637bcd6cb |
Nitrous Oxide | 3.1648e-07 | — | 298 | 273 | 9.4311e-05 | 8.6399e-05 | -7.9120e-06 | factor differs |
| Sulfur hexafluoride 35d1dff5-b535-4628-9826-4a8fce08a1f2 |
Sulfur hexafluoride | 2.9303e-09 | — | 26,100 | 25,200 | 7.6481e-05 | 7.3844e-05 | -2.6373e-06 | factor differs |
| Carbon monoxide, fossil 49c594c6-b6a8-42a3-95c5-cca812fda80b |
Carbon Monoxide (fossil) | 1.6568e-06 | — | 1.57 | — | 2.6011e-06 | 0 | -2.6011e-06 | no consensus factor |
| Dinitrogen monoxide 81305cda-63f1-4c1a-99c6-2c2568550ec4 |
Nitrous Oxide | 4.8813e-08 | — | 298 | 273 | 1.4546e-05 | 1.3326e-05 | -1.2203e-06 | factor differs |
| Methane, chlorodifluoro-, HCFC-22 56b7d3b6-83d7-42b0-a65b-5ad23e29db47 |
Chlorodifluoromethane | 4.5476e-09 | — | 2,110 | 1,960 | 9.5955e-06 | 8.9134e-06 | -6.8215e-07 | factor differs |
| VOC, volatile organic compounds, unspecified origin 4ec70203-13b0-58cc-b4dd-2fcce8a96732 |
Volatile Organic Compound | 1.0597e-07 | — | 4.23 | — | 4.4827e-07 | 0 | -4.4827e-07 | no consensus factor |
| Methane, trifluoro-, HFC-23 8f87dcf1-0177-4d62-bea0-a5dd8647ef8c |
Trifluoromethane | 2.0331e-10 | — | 13,900 | 14,600 | 2.8260e-06 | 2.9684e-06 | 1.4232e-07 | factor differs |
| Methane, dichlorodifluoro-, CFC-12 31a3e44c-4098-461e-aba2-f79540e05087 |
Dichlorodifluoromethane | 1.2631e-10 | — | 11,500 | 12,500 | 1.4525e-06 | 1.5788e-06 | 1.2631e-07 | factor differs |
| Methane, tetrachloro-, R-10 5c97dd6c-aaa5-4477-aaf8-dbd0674499c4 |
Carbon tetrachloride | 3.8783e-10 | — | 2,020 | 2,200 | 7.8342e-07 | 8.5323e-07 | 6.9810e-08 | factor differs |
| Methane, non-fossil da1157e2-7593-4dfd-80dd-a3449b37a4d8 |
Methane (biogenic) | 6.9866e-09 | — | 34 | 27 | 2.3755e-07 | 1.8864e-07 | -4.8906e-08 | factor differs |
| Ethane 9ea11aea-7cb7-4b38-b936-a42c2a4bac97 |
Ethane | 9.7788e-08 | — | — | 0.437 | 0 | 4.2733e-08 | 4.2733e-08 | only consensus factor |
| Methane, chlorodifluoro-, HCFC-22 8ca6c84b-7f56-47e6-8d17-4f2dbc49a943 |
Chlorodifluoromethane | 2.3216e-10 | — | 2,110 | 1,960 | 4.8985e-07 | 4.5503e-07 | -3.4824e-08 | factor differs |
| Methane b53d3744-3629-4219-be20-980865e54031 |
Methane (fossil) | 2.1690e-09 | — | 36.799999 | 29.8 | 7.9820e-08 | 6.4636e-08 | -1.5183e-08 | factor differs |
| Methane, bromochlorodifluoro-, Halon 1211 494eb62d-3e16-4a81-b344-6d6dfd9fd4e2 |
Bromochlorodifluoromethane | 9.2516e-11 | — | 2,070 | 1,930 | 1.9151e-07 | 1.7856e-07 | -1.2952e-08 | factor differs |
| Ethane 8e30c990-5ed4-4f94-9d0e-2f5e4ff1a1f9 |
Ethane | 2.4036e-08 | — | — | 0.437 | 0 | 1.0504e-08 | 1.0504e-08 | only consensus factor |
| Methyl formate a71b27f2-3bcb-4bcc-a0c6-b6a123f0b42e |
Methyl Formate | 1.2468e-11 | — | 712 | — | 8.8769e-09 | 0 | -8.8769e-09 | no consensus factor |
| Propane 98c66fdb-091d-46e9-a533-686f821e8f6a |
Propane | 3.9613e-07 | — | — | 0.02 | 0 | 7.9227e-09 | 7.9227e-09 | only consensus factor |
| Butane fa5512cf-04a2-4014-8e96-d3e2d137f0df |
Butane | 6.6280e-07 | — | — | 0.006 | 0 | 3.9768e-09 | 3.9768e-09 | only consensus factor |
| Methane, monochloro-, R-40 ed63abd0-7cc6-4825-8759-b367e560fe95 |
Chloromethane | 3.5907e-10 | — | 15 | 5.54 | 5.3861e-09 | 1.9893e-09 | -3.3968e-09 | factor differs |
| Butane 892f10da-7bf2-42b3-b171-221989661a05 |
Butane | 4.9142e-07 | — | — | 0.006 | 0 | 2.9485e-09 | 2.9485e-09 | only consensus factor |
| Methane, monochloro-, R-40 18ea247b-edc2-43fe-89bd-cedd04102bcc |
Chloromethane | 2.4757e-10 | — | 15 | 5.54 | 3.7136e-09 | 1.3716e-09 | -2.3421e-09 | factor differs |
| Methane, dichloro-, HCC-30 d4b61c6c-a620-4a91-afc6-ca87ef97b55a |
Dichloromethane | 1.9643e-10 | — | — | 11.2 | 0 | 2.2000e-09 | 2.2000e-09 | only consensus factor |
| Ethane, 1,1,1-trichloro-, HCFC-140 99585564-bfce-4845-9aaa-2f24b8f26a41 |
1,1,1-Trichloroethane | 1.3558e-11 | — | — | 161 | 0 | 2.1828e-09 | 2.1828e-09 | only consensus factor |
| Ethene, tetrachloro- d2d4b344-3c58-4b0c-868a-ac0bdb2027dc |
Tetrachloroethene | 2.5076e-10 | — | — | 6.34 | 0 | 1.5898e-09 | 1.5898e-09 | only consensus factor |
| Ethane, 1,2-dichloro- 468bebea-17ee-49d3-b11d-c603d91c67c8 |
1,2-dichloroethane | 2.8351e-09 | — | 1 | 1.3 | 2.8351e-09 | 3.6856e-09 | 8.5052e-10 | factor differs |
| Chloroform 4cadbc9f-0472-4bb9-a942-df5b90e37878 |
Chloroform | 1.3421e-09 | — | 20 | 20.6 | 2.6842e-08 | 2.7647e-08 | 8.0526e-10 | factor differs |
| Methane, tetrachloro-, R-10 86d12e70-0c64-4ecf-ba52-114fa0c5d402 |
Carbon tetrachloride | 4.0267e-12 | — | 2,020 | 2,200 | 8.1340e-09 | 8.8588e-09 | 7.2481e-10 | factor differs |
| Methane, dichloro-, HCC-30 2716807d-0266-48ff-bb7a-6e6c5fbfd5c5 |
Dichloromethane | 6.1946e-11 | — | — | 11.2 | 0 | 6.9380e-10 | 6.9380e-10 | only consensus factor |
| Methane, dichloro-, HCC-30 432a3326-73f8-4752-bc4d-06b7b4b1243c |
Dichloromethane | 5.3319e-11 | — | — | 11.2 | 0 | 5.9717e-10 | 5.9717e-10 | only consensus factor |
| Methane, trichlorofluoro-, CFC-11 33a69662-583b-45b8-8cb9-94f59fca9133 |
Trichlorofluoromethane | 6.7739e-13 | — | 5,350 | 6,226 | 3.6240e-09 | 4.2174e-09 | 5.9339e-10 | factor differs |
| Ethane, 2-chloro-1,1,1,2-tetrafluoro-, HCFC-124 60268f3d-468b-487e-acb1-24d7250cb6b3 |
HCFC-124 | 9.6409e-12 | — | 635 | 597 | 6.1219e-09 | 5.7556e-09 | -3.6635e-10 | factor differs |
| Methane, fossil f3bd723a-5276-4ae8-9860-b89537351a90 |
Methane (fossil) | 5.1859e-11 | — | 36.799999 | 29.8 | 1.9084e-09 | 1.5454e-09 | -3.6301e-10 | factor differs |
| Sulfur hexafluoride 856c9aa2-c20c-49a8-9417-c71bdb5f17b0 |
Sulfur hexafluoride | 3.5715e-13 | — | 26,100 | 25,200 | 9.3216e-09 | 9.0002e-09 | -3.2144e-10 | factor differs |
| Ethene, tetrachloro- 754028fd-e650-4804-922e-694a764ba578 |
Tetrachloroethene | 2.9094e-11 | — | — | 6.34 | 0 | 1.8446e-10 | 1.8446e-10 | only consensus factor |
| Methane, dichlorodifluoro-, CFC-12 e93ba406-3df8-4e34-be54-0d556b2bb629 |
Dichlorodifluoromethane | 1.2074e-13 | — | 11,500 | 12,500 | 1.3885e-09 | 1.5092e-09 | 1.2074e-10 | factor differs |
| Methyl formate 4877b7b5-0ac1-47f7-96bd-677179544c9f |
Methyl Formate | 1.3929e-13 | — | 712 | — | 9.9173e-11 | 0 | -9.9173e-11 | no consensus factor |
| Sulfur hexafluoride c7c769bb-89b9-4459-afed-e3acecd39339 |
Sulfur hexafluoride | 1.0587e-13 | — | 26,100 | 25,200 | 2.7631e-09 | 2.6679e-09 | -9.5281e-11 | factor differs |
| Ethane, 1,2-dichloro- 03758df7-503a-400e-bc7b-ec05825761a5 |
1,2-dichloroethane | 2.3407e-10 | — | 1 | 1.3 | 2.3407e-10 | 3.0430e-10 | 7.0222e-11 | factor differs |
| Methyl acetate bd70c699-1ea1-4bb1-b23d-bc771d7d6311 |
Methyl Acetate | 1.7900e-11 | — | 3 | — | 5.3701e-11 | 0 | -5.3701e-11 | no consensus factor |
| Nitrogen fluoride 1fdc280a-34d3-4513-b110-3f526b17c443 |
Nitrogen Trifluoride | 8.9302e-14 | — | 17,900 | 17,400 | 1.5985e-09 | 1.5538e-09 | -4.4651e-11 | factor differs |
| Chloroform fa9b9736-6de8-4bd6-ba22-1bd78c798373 |
Chloroform | 6.6401e-11 | — | 20 | 20.6 | 1.3280e-09 | 1.3679e-09 | 3.9841e-11 | factor differs |
| Carbon monoxide, fossil a3beb5ac-5149-47f6-a035-53fc5030f10a |
Carbon Monoxide (fossil) | 2.4040e-11 | — | 1.57 | — | 3.7742e-11 | 0 | -3.7742e-11 | no consensus factor |
| Methane, bromo-, Halon 1001 8c283de2-50d3-40c8-8bff-1e172c3398f8 |
Bromomethane | 3.3409e-11 | — | 3 | 2.43 | 1.0023e-10 | 8.1185e-11 | -1.9043e-11 | factor differs |
| Methane, dichlorofluoro-, HCFC-21 3c8af80d-7ff8-43f4-b1a7-cef73b1b4682 |
Dichlorofluoromethane | 6.3898e-13 | — | 179 | 160 | 1.1438e-10 | 1.0224e-10 | -1.2141e-11 | factor differs |
| Ethane, 1,2-dichloro- 89324b2f-1e73-4eb1-9716-96b9be0349ac |
1,2-dichloroethane | 2.7042e-11 | — | 1 | 1.3 | 2.7042e-11 | 3.5154e-11 | 8.1125e-12 | factor differs |
| Ethane, 1,1,1-trifluoro-, HFC-143a 5253e322-7de5-42aa-9167-daf22ff44031 |
1,1,1-trifluoroethane | 2.4965e-14 | — | 5,510 | 5,810 | 1.3756e-10 | 1.4504e-10 | 7.4894e-12 | factor differs |
| Methyl acetate ef06f2a4-4b8c-4740-9e06-0c2126d1839a |
Methyl Acetate | 2.0939e-12 | — | 3 | — | 6.2817e-12 | 0 | -6.2817e-12 | no consensus factor |
| Propane 3a6c936c-0276-4f11-9d98-1bd011387a6e |
Propane | 2.2725e-10 | — | — | 0.02 | 0 | 4.5450e-12 | 4.5450e-12 | only consensus factor |
| Chloroform fbf6ab3a-74e3-4cbe-b61d-959728bdce46 |
Chloroform | 7.3956e-12 | — | 20 | 20.6 | 1.4791e-10 | 1.5235e-10 | 4.4374e-12 | factor differs |
| Monochloroethane bce77a75-c399-4fa6-94ab-90d0e704ebde |
Chloroethane | 6.1761e-12 | — | — | 0.481 | 0 | 2.9707e-12 | 2.9707e-12 | only consensus factor |
| Trichloroethylene a0950325-06dc-5ca0-84b6-983c9e6ccf74 |
Trichloroethene | 6.4468e-11 | — | — | 0.044 | 0 | 2.8366e-12 | 2.8366e-12 | only consensus factor |
| Methane, bromo-, Halon 1001 4bf1c333-419b-4278-ac14-247c8bf563d6 |
Bromomethane | 4.1482e-12 | — | 3 | 2.43 | 1.2444e-11 | 1.0080e-11 | -2.3644e-12 | factor differs |
| Butane 982b0510-96ac-4bcb-a758-e98006b95f4d |
Butane | 3.2702e-10 | — | — | 0.006 | 0 | 1.9621e-12 | 1.9621e-12 | only consensus factor |
| Bromopropane f2e4394f-61bb-5493-983d-d3d5b7b96a41 |
1-Bromopropane | 2.4456e-11 | — | — | 0.052 | 0 | 1.2717e-12 | 1.2717e-12 | only consensus factor |
| Ethene, tetrachloro- 9bc66656-9f37-44bc-ae0b-5d5243b8137e |
Tetrachloroethene | 1.7875e-13 | — | — | 6.34 | 0 | 1.1332e-12 | 1.1332e-12 | only consensus factor |
| Methane, dichlorodifluoro-, CFC-12 c0e8ec60-a5ae-432e-97a5-cf76b6247a00 |
Dichlorodifluoromethane | 2.1986e-16 | — | 11,500 | 12,500 | 2.5284e-12 | 2.7482e-12 | 2.1986e-13 | factor differs |
| Ethene, trichloro- 3fa03c96-b976-4f0f-8089-220968515ee1 |
Trichloroethene | 2.4547e-12 | — | — | 0.044 | 0 | 1.0801e-13 | 1.0801e-13 | only consensus factor |
| Methane, chlorodifluoro-, HCFC-22 18c582fe-7336-4138-8797-2db8b7a754c7 |
Chlorodifluoromethane | 3.9139e-16 | — | 2,110 | 1,960 | 8.2583e-13 | 7.6712e-13 | -5.8708e-14 | factor differs |
| Ethane, 1,1,1-trichloro-, HCFC-140 ce6294f5-2ed7-46ee-a967-33e265e34455 |
1,1,1-Trichloroethane | 2.2567e-16 | — | — | 161 | 0 | 3.6332e-14 | 3.6332e-14 | only consensus factor |
| Carbon dioxide, from soil or biomass stock 78eb1859-abd9-44c6-9ce3-f3b5b33d619c |
Carbon Dioxide (land Use Change) | 58.112145 | — | 1 | 1 | 58.112145 | 58.112145 | 0 | agree |
| Carbon dioxide, fossil 349b29d1-3e58-4c66-98b9-9d1a076efd2e |
Carbon Dioxide (fossil) | 0.370003 | — | 1 | 1 | 0.370003 | 0.370003 | 0 | agree |
| Carbon dioxide, non-fossil 73ed05cc-9727-4abf-9516-4b5c0fe54a16 |
Carbon Dioxide (biogenic) | 0.007735 | — | — | 0 | 0 | 0 | 0 | only consensus factor |
| Carbon dioxide, in air cc6a1abb-b123-4ca6-8f16-38209df609be |
Carbon Dioxide (biogenic) | 0.004554 | — | — | 0 | 0 | 0 | 0 | only consensus factor |
| Carbon dioxide, non-fossil d6235194-e4e6-4548-bfa3-ac095131aef4 |
Carbon Dioxide (biogenic) | 1.3792e-04 | — | — | 0 | 0 | 0 | 0 | only consensus factor |
| Carbon dioxide, non-fossil eba59fd6-f37e-41dc-9ca3-c7ea22d602c7 |
Carbon Dioxide (biogenic) | 4.5194e-05 | — | — | 0 | 0 | 0 | 0 | only consensus factor |