| Company Name, Postcode | Industry | Process | Emissions of Arsenic (tonnes) |
| Rugby Group plc., DN18 6JL | Mineral Industries | Cement / lime manufacture | 1.0000 |
| PowerGen (UK) plc., ME3 9LY | Fuel and power generation | Combustion processes | 0.8166 |
| Britannia Zinc Ltd., BS11 8HT | Metal production and processing | Non-ferrous metals | 0.7359 |
| PowerGen (UK) plc., WF11 8SQ | Fuel and power generation | Combustion processes | 0.5430 |
| PowerGen (UK) plc., WA5 2UT | Fuel and power generation | Combustion processes | 0.5140 |
| PowerGen (UK) plc., DN22 0EU | Fuel and power generation | Combustion processes | 0.4970 |
| National Power plc., DN14 0UZ | Fuel and power generation | Combustion processes | 0.4690 |
| National Power Drax Ltd., YO8 8PJ | Fuel and power generation | Combustion processes | 0.4090 |
| Eastern Merchant Generation Ltd., DN22 9BL | Fuel and power generation | Combustion processes | 0.3940 |
| Eastern Merchant Generation Ltd., NG23 6SE | Fuel and power generation | Combustion processes | 0.2400 |
| IMI Refiners Ltd., WS2 9SJ | Metal production and processing | Non-ferrous metals | 0.2100 |
| National Power plc., OXC11 7HA | Fuel and power generation | Combustion processes | 0.2000 |
| National Power plc., CF62 4ZW | Fuel and power generation | Combustion processes | 0.1940 |
| National Power plc., RM18 8UJ | Fuel and power generation | Combustion processes | 0.1690 |
| Tyseley Waste Disposal Ltd., B11 2BA | Waste disposal and recycling | Incineration | 0.1600 |
| British Steel Engineering, S60 1DW | Metal production and processing | Iron and steel | 0.1500 |
| Eastern Merchant Generation Ltd., TF8 7BL | Fuel and power generation | Combustion processes | 0.1290 |
| Coventry and Solihull Waste Disposal Co. Ltd., CV3 4AN | Waste disposal and recycling | Incineration | 0.1060 |
| Castle Cement, PE9 3SX | Mineral Industries | Cement / lime manufacture | 0.1031 |
| Lafarge Redland Aggregates Ltd., S80 3LJ | Mineral Industries | Cement / lime manufacture | 0.0975 |
| Eastern Merchant Generation Ltd., WS15 1PF | Fuel and power generation | Combustion processes | 0.0900 |
| Eastern Merchant Generation Ltd., DE15 9TZ | Fuel and power generation | Combustion processes | 0.0860 |
| Blyth Power Station, NE22 7BW | Fuel and power generation | Combustion processes | 0.0806 |
| Blue Circle Industries plc., NG13 9JT | Mineral Industries | Cement / lime manufacture | 0.0700 |
| Castle Cement, BB7 4QF | Mineral Industries | Cement / lime manufacture | 0.0570 |
| Esso Petroleum Co. Ltd., SO45 1TX | Fuel and power generation | Combustion processes | 0.0500 |
| Fibrogen Ltd., DN15 8S | Fuel and power generation | Combustion processes | 0.0498 |
| British Steel plc., DN16 1BP | Fuel and power generation | Galvanization processes | 0.0420 |
| Blue Circle Industries, DA11 9AN | Mineral Industries | Cement / lime manufacture | 0.0399 |
| Blue Circle Industries, ST10 3EQ | Mineral Industries | Cement / lime manufacture | 0.0382 |
| Brookside Metal Co. Ltd., WV13 2QE | Metal production and processing | Non-ferrous metals | 0.0360 |
| Fine Organics, TS2 1UB | Waste Disposal and recycling | Incineration | 0.0280 |
| British Steel plc., SA13 2NG | Fuel and power generation | Carbonisation and associated processes | 0.0270 |
| Lindsey Oil Refinery Ltd., DN40 3LW | Fuel and power generation | Petroleum processes | 0.0260 |
| National Power plc., DE6 6DF | Fuel and power generation | Combustion processes | 0.0248 |
| British Steel plc., NP9 0XN | Fuel and power generation | Carbonisation and associated processes | 0.0247 |
| British Steel plc., TS10 5QW | Metal production and processing | Iron and Steel | 0.0230 |
| Sheffield Forgemasters Rolls Ltd., CW1 6DB | Metal production and processing | Iron and Steel | 0.0220 |
| Rubgy Cement, CV23 8RA | Mineral Industries | Cement / lime manufacture | 0.0200 |
| Lafarge Redland Aggregates Ltd., DL17 9EY | Mineral Industries | Cement / lime manufacture | 0.0191 |
| BP Oil (UK) Ltd., SS17 9LL | Fuel and power generation | Combustion processes | 0.0160 |
| Owens Corning Fibreglas (GB) Ltd., LL13 9JU | Mineral Industries | Other mineral fibres | 0.0130 |
| Londonwaste Ltd., N18 3AG | Waste disposal and recycling | Incineration | 0.0126 |
| Blue Circle Industries, PL9 7JA | Mineral Industries | Cement / lime manufacture | 0.0116 |
| Elf Oil UK Ltd., SA73 3JD | Fuel and power generation | Petroleum processes | 0.0109 |
| Britannia Recycling Ltd. , WF3 3BS | Metal production and processing | Non-ferrous metals | 0.0106 |
| Shell (UK) Ltd. , L65 4HB | Fuel and power generation | Petroleum processes | 0.0100 |
| Avesta Sheffield Ltd., S9 1TR | Metal production and processing | Iron and Steel | 0.0100 |
| Yorkshire Environmental Solutions Ltd., NG2 3JH | Waste disposal and recycling | Incineration | 0.0096 |
| Britannia Refined Metals, DA11 9BG | Metal production and processing | Non-ferrous metals | 0.0090 |
| British Steel plc., TS10 5QW | Fuel and power generation | Carbonisation and associated processes | 0.0090 |
| HJ Enthoven and Sons, DE4 2LP | Metal production and processing | Non-ferrous metals | 0.0088 |
| Thames Water Utilities, IG11 | Waste disposal and recycling | Incineration | 0.0086 |
| Blue Circle Industries plc., IP6 0JX | Mineral Industries | Cement / lime manufacture | 0.0079 |
| Castle Cement Ltd., CH7 4HB | Mineral Industries | Cement / lime manufacture | 0.0079 |
| Thames Water Utilities, SE2 (A | Waste disposal and recycling | Incineration | 0.0076 |
| Johnson Mathey plc., EN3 7PW | Chemical Industry | Inorganic chemical processes | 0.0071 |
| British Steel plc., SA13 2NG | Fuel and power generation | Carbonisation and associated processes | 0.0070 |
| William Blythe Ltd., BB5 4PD | Chemical Industry | Inorganic chemical processes | 0.0066 |
| Blue Circle Industries, S33 6RP | Mineral Industries | Cement / lime manufacture | 0.0063 |
| Rugby Cement, CV21 2UZ | Mineral Industries | Cement / lime manufacture | 0.0055 |
| Contract Heat and Power Ltd., NE6 2AB | Fuel and power generation | Combustion processes | 0.0049 |
| British Steel, TS10 5QW | Fuel and power generation | Carbonisation and associated processes | 0.0043 |
| Blue Circle Industries, BA13 4LX | Mineral Industries | Cement / lime manufacture | 0.0042 |
| North West Water Ltd., WA8 0WB | Waste disposal and recycling | Incineration | 0.0041 |
| Texaco Ltd., SA71 5SJ | Fuel and power generation | Petroleum processes | 0.0038 |
| Medical Energy (Worcs.) Ltd., B98 1UB | Waste disposal and recycling | Incineration | 0.0036 |
| Rugby Group plc., ME2 1AW | Mineral Industries | Cement / lime manufacture | 0.0036 |
| ASW Sheerness Steel Ltd., ME12 1TH | Metal production and processing | Iron and Steel | 0.0034 |
| Shell UK Ltd., SS17 9LD | Fuel and power generation | Combustion processes | 0.0032 |
| PowerGen (UK) Ltd., NG11 0EE | Fuel and power generation | Combustion processes | 0.0027 |
| Yorkshire Water Services Ltd., S9 1HF | Waste disposal and recycling | Incineration | 0.0027 |
| National Power plc., SO45 1TW | Fuel and power generation | Combustion processes | 0.0026 |
| Severn Trent Water Ltd., B46 1NX | Waste disposal and recycling | Incineration | 0.0025 |
| Midland Lead Manufacturers Ltd., DE11 8ED | Metal production and processing | Non-ferrous metals | 0.0024 |
| Slough Heat and Power Ltd., SL1 4QQ | Fuel and power generation | Combustion processes | 0.0021 |
| Blue Circle Industries plc., CF62 3ZR | Mineral Industries | Cement / lime manufacture | 0.0020 |
| Battery Rolled Metals Ltd., B29 6AB | Metal production and processing | Non-ferrous metals | 0.0017 |
| New Holland UK Ltd., SS14 3AD | Fuel and power generation | Combustion processes | 0.0016 |
| Robinson Group Ltd., NE21 5NJ | Metal production and processing | Non-ferrous metals | 0.0016 |
| Northwick Park Hospital NHS Trust, HA1 3UJ | Waste disposal and recycling | Incineration | 0.0014 |
| Blue Circle Industries, DL13 2AA | Mineral Industries | Cement / lime manufacture | 0.0014 |
| Rugby Group plc., OX9 4AY | Mineral Industries | Cement / lime manufacture | 0.0013 |
| SARP Facilities Management Ltd., S21 2DR | Waste disposal and recycling | Incineration | 0.0012 |
| Rugby Group plc., CB2 5RG | Mineral Industries | Cement / lime manufacture | 0.0011 |
| Owens-Corning Building Products (UK) Ltd., CH5 2DB | Mineral Industries | Other mineral fibres | 0.0011 |
| S Grundon (Services) Ltd., SL3 0EG | Waste disposal and recycling | Incineration | 0.0011 |
| Heckett Multiserv (Sheffield) Ltd., S65 3SR | Metal production and processing | Iron and Steel | 0.0010 |
| Contract Heat and Power Ltd. | Fuel and power generation | Combustion processes | 0.0090 |
| Epitaxial Products International Ltd., CF3 0EG | Chemical Industry | Inorganic chemical processes | 0.0050 |
| Rentokil Ltd., L33 7U | Chemical Industry | Inorganic chemical processes | 0.0030 |
| Mounstar Metal Corporation Ltd., NE16 6EA | Metal production and processing | Non-ferrous metals | 0.0020 |
| City Works, NE6 1AH | Waste disposal and recycling | Production of fuel from waste | 0.0013 |
| Total Annual Emissions | 8.2737 |