Chemical manufacturing facilities, equipment and components, as follows: a. Reaction vessels or reactors, with or without agitators, with total internal (geometric) volume greater than 0,1 m 3 (100 litres) and less than 20 m 3 (20 000 litres), where all surfaces that come in direct contact with the chemical(s) being processed or contained are made from any of the following materials: 1. ‘Alloys’ with more than 25 % nickel and 20 % chromium by weight; 2. Fluoropolymers (polymeric or elastomeric materials with more than 35 % fluorine by weight); 3. Glass (including vitrified or enamelled coating or glass lining); 4. Nickel or ‘alloys’ with more than 40 % nickel by weight; 5. Tantalum or tantalum ‘alloys’; 6. Titanium or titanium ‘alloys’; 7. Zirconium or zirconium ‘alloys’; or 8. Niobium (columbium) or niobium ‘alloys’; b. Agitators for use in reaction vessels or reactors specified in 2B350.a.; and impellers, blades or shafts designed for such agitators, where all surfaces of the agitator that come in direct contact with the chemical(s) being processed or contained are made from any of the following materials: 1. ‘Alloys’ with more than 25 % nickel and 20 % chromium by weight; 2. Fluoropolymers (polymeric or elastomeric materials with more than 35 % fluorine by weight); 3. Glass (including vitrified or enamelled coatings or glass lining); 4. Nickel or ‘alloys’ with more than 40 % nickel by weight; 5. Tantalum or tantalum ‘alloys’; 6. Titanium or titanium ‘alloys’; 7. Zirconium or zirconium ‘alloys’; or 8. Niobium (columbium) or niobium ‘alloys’; c. Storage tanks, containers or receivers with a total internal (geometric) volume greater than 0,1 m 3 (100 litres) where all surfaces that come in direct contact with the chemical(s) being processed or contained are made from any of the following materials: 1. ‘Alloys’ with more than 25 % nickel and 20 % chromium by weight; 2. Fluoropolymers (polymeric or elastomeric materials with more than 35 % fluorine by weight); 3. Glass (including vitrified or enamelled coatings or glass lining); 4. Nickel or ‘alloys’ with more than 40 % nickel by weight; 5. Tantalum or tantalum ‘alloys’; 6. Titanium or titanium ‘alloys’; 7. Zirconium or zirconium ‘alloys’; or 8. Niobium (columbium) or niobium ‘alloys’; d. Heat exchangers or condensers with a heat transfer surface area greater than 0,15 m 2 , and less than 20 m 2 ; and tubes, plates, coils or blocks (cores) designed for such heat exchangers or condensers, where all surfaces that come in direct contact with the chemical(s) being processed are made from any of the following materials: 1. ‘Alloys’ with more than 25 % nickel and 20 % chromium by weight; 2. Fluoropolymers (polymeric or elastomeric materials with more than 35 % fluorine by weight); 3. Glass (including vitrified or enamelled coatings or glass lining); 4. Graphite or ‘carbon graphite’; 5. Nickel or ‘alloys’ with more than 40 % nickel by weight; 6. Tantalum or tantalum ‘alloys’; 7. Titanium or titanium ‘alloys’; 8. Zirconium or zirconium ‘alloys’; 9. Silicon carbide; 10. Titanium carbide; or 11. Niobium (columbium) or niobium ‘alloys’; e. Distillation or absorption columns of internal diameter greater than 0,1 m; and liquid distributors, vapour distributors or liquid collectors designed for such distillation or absorption columns, where all surfaces that come in direct contact with the chemical(s) being processed are made from any of the following materials: 1. ‘Alloys’ with more than 25 % nickel and 20 % chromium by weight; 2. Fluoropolymers (polymeric or elastomeric materials with more than 35 % fluorine by weight); 3. Glass (including vitrified or enamelled coatings or glass lining); 4. Graphite or ‘carbon graphite’; 5. Nickel or ‘alloys’ with more than 40 % nickel by weight; 6. Tantalum or tantalum ‘alloys’; 7. Titanium or titanium ‘alloys’; 8. Zirconium or zirconium ‘alloys’; or 9. Niobium (columbium) or niobium ‘alloys’; f. Remotely operated filling equipment in which all surfaces that come in direct contact with the chemical(s) being processed are made from any of the following materials: 1. ‘Alloys’ with more than 25 % nickel and 20 % chromium by weight; or 2. Nickel or ‘alloys’ with more than 40 % nickel by weight; g. Valves with ‘nominal sizes’ greater than 10 mm and casings (valve bodies) or preformed casing liners designed for such valves, in which all surfaces that come in direct contact with the chemical(s) being processed or contained are made from any of the following materials: 1. ‘Alloys’ with more than 25 % nickel and 20 % chromium by weight; 2. Fluoropolymers (polymeric or elastomeric materials with more than 35 % fluorine by weight); 3. Glass (including vitrified or enamelled coatings or glass lining); 4. Nickel or ‘alloys’ with more than 40 % nickel by weight; 5. Tantalum or tantalum ‘alloys’; 6. Titanium or titanium ‘alloys’; 7. Zirconium or zirconium ‘alloys’; 8. Niobium (columbium) or niobium ‘alloys’; or 9. Ceramic materials as follows: a. Silicon carbide with purity of 80 % or more by weight; b. Aluminium oxide (alumina) with purity of 99,9 % or more by weight; c. Zirconium oxide (zirconia); Technical Note : The ‘nominal size’ is defined as the smaller of the inlet and outlet diameters. h. Multi-walled piping incorporating a leak detection port, in which all surfaces that come in direct contact with the chemical(s) being processed or contained are made from any of the following materials: 1. ‘Alloys’ with more than 25 % nickel and 20 % chromium by weight; 2. Fluoropolymers (polymeric or elastomeric materials with more than 35 % fluorine by weight); 3. Glass (including vitrified or enamelled coatings or glass lining); 4. Graphite or ‘carbon graphite’; 5. Nickel or ‘alloys’ with more than 40 % nickel by weight; 6. Tantalum or tantalum ‘alloys’; 7. Titanium or titanium ‘alloys’; 8. Zirconium or zirconium ‘alloys’; or 9. Niobium (columbium) or niobium ‘alloys’; i. Multiple-seal and seal-less pumps, with manufacturer’s specified maximum flow-rate greater than 0,6 m 3 /hour, or vacuum pumps with manufacturer’s specified maximum flow-rate greater than 5 m 3 /hour (under standard temperature (273 K (0 °C)) and pressure (101,3 kPa) conditions); and casings (pump bodies), preformed casing liners, impellers, rotors or jet pump nozzles designed for such pumps, in which all surfaces that come in direct contact with the chemical(s) being processed are made from any of the following materials: 1. ‘Alloys’ with more than 25 % nickel and 20 % chromium by weight; 2. Ceramics; 3. Ferrosilicon (high silicon iron alloys); 4. Fluoropolymers (polymeric or elastomeric materials with more than 35 % fluorine by weight); 5. Glass (including vitrified or enamelled coatings or glass lining); 6. Graphite or ‘carbon graphite’; 7. Nickel or ‘alloys’ with more than 40 % nickel by weight; 8. Tantalum or tantalum ‘alloys’; 9. Titanium or titanium ‘alloys’; 10. Zirconium or zirconium ‘alloys’; or 11. Niobium (columbium) or niobium ‘alloys’; j. Incinerators designed to destroy chemicals specified in entry 1C350, having specially designed waste supply systems, special handling facilities and an average combustion chamber temperature greater than 1 273 K (1 000 °C), in which all surfaces in the waste supply system that come into direct contact with the waste products are made from or lined with any of the following materials: 1. ‘Alloys’ with more than 25 % nickel and 20 % chromium by weight; 2. Ceramics; or 3. Nickel or ‘alloys’ with more than 40 % nickel by weight. Technical Notes: 1. ‘Carbon graphite’ is a composition consisting of amorphous carbon and graphite, in which the graphite content is eight percent or more by weight. 2. For the listed materials in the above entries, the term ‘alloy’ when not accompanied by a specific elemental concentration is understood as identifying those alloys where the identified metal is present in a higher percentage by weight than any other element.