Catalogo de Metales Op

Doe Run Peru S.R.L. is owned by The Doe Run Company of the US, the world’s largest integrated primary lead producer, which also has excellentfabricating and recycling facilities.The acquisition of the La Oroya metallurgical complex from the Peruvian government in October of 1997 markedThe Doe Run Company’s first venture outside the US and was also the first time the Company's product line was expanded beyond lead to includecopper, silver, zinc, gold and other metals.

Doe Run Peru’s metallurgical complex at La Oroya is located in the Central Andean Highlands of Perú, at 3,775 meters above sea level, and 180 kmnortheast of the city of Lima, Peru. The complex is regarded to be one of the three largest metallurgical operations in the world. This owes to itsoperations diversity and large number of processes for the treatment of polymetallic concentrates with high content of impurities and preciousmetals, which enable it to produce a large variety of refined metals and byproducts.

This metallurgical facility is made up of four integrated circuits: copper, lead, zinc and precious metals. Changes have been recently introduced inthe aforementioned, aimed at improving Doe Run Peru’s processes and operations. At present, The Company produces eleven metals (copper, lead,zinc, silver, bismuth, cadmium and refined indium, gold, selenium powder, tellurium and antimony), as well as eight chemical by-products (sulfuricacid, oleum, sodium bisulfite, copper sulphate, zinc sulphate, zinc powder, arsenic trioxide and silver-zinc concentrate).

Doe Run Peru’s yearly production capacity is: 70,000 tons of refined copper, 120,000 tons of refined lead, 45,400 tons year of refined zinc, 1,200 tonsof refined silver and 2.35 tons of gold bullion.

The Company sells its products to customers in the local market and worldwide. Metals processed at the La Oroya complex are shipped tocompanies in Asia, The United States, South America and Europe.

Doe Run Peru's ultimate objective is to keep its customers supplied with high-quality metal products that are consistently pure, at competitiveprices, and to deliver them on schedule.

The Company’s activities are carried out in a safe and environmentally responsible manner, applying state-of-the-art technology and modernmanagement tools.

The effectiveness of Doe Run Peru’s operations is based on the Company’s great endowment of human knowledge and expertise, the vastexperience of its workers and the use of information technology and real-time communication.

Doe Run Peru works with public consent and strives to maintain good-neighbor relations with the community

INTRODUCTION

DOE RUN PERU S.R.L.: Víctor Andrés Belaúnde N°. 147 - Piso 9°

Torre Real No 3- San Isidro - Lima 27- Perú

PRESIDENT AND GENERAL MANAGER: Phone. 51-1-2151201 Fax. 51-1-2151235

VICE PRESIDENT AND TECHNICAL MANAGER: Phone. 51-1-2151204 Fax. 51-1-2151235

VICE PRESIDENT AND MANAGER OF OPERATIONS : Horacio Zeballos Gamez No 424 - La Oroya Junín – Perú

Phone 51-64-883001/51-64-883008

Fax. 51-64-883010

COMMERCIAL MANAGEMENT

CONCENTRATES / MINERALS: Phone 51-1-2151229 Fax. 51-1-2151241

METALS: Phone. 51-1-2151216 Fax. 51-1-2151246

ADDRESSES

AGENTS TERRITORY ADDRESS ATTENTION PHONE FAX

ANGLO EUROPE

ERCO CHILE LTDA

METALPE CA.

VICTORIA SRL

VILCA LTDA.

Spain, France, Portugal, United Kingdom,Countries to North Europe, Germany, Belgium, Austria,Switzerland and Nordic Countries

Brazil

Venezuela.

Italy, Countries of South Europe:Yugoslavia, Grecia and Turqui.

Colombia

34 Grovenor Gardens, London SW1W O AL.United Kingdom.

Av. Dos Pinheiros Nr.822, Bairro FazendaCastelo- Vitazay.

CEP 18550-000 Boituva Sao Paulo, Brasil

Edificio World Trade Center.Av.Tajamar 481Torre Sur-Oficina 803, Las CondesSantiago - Chile

Nueva Tajamar

Centro Empresarial Torre Humboldt, Piso 15 Of. 08 Concresa-Prados del Este Caracas-Venezuela.

Piazza Della Vittoria 10,Genova 16121,GE Italy

Av. Catam Carrera 103, # 25B - 30 piso 2°P.O. Box 80534 Santa Fe de Bogotá-Colombia

Roberto Pérez Egurenangloeurope2@aol.com

César Gonzálesmarcego@uol.com.br

Eduardo Raggio & Eduardo Delgadoeraggio@raggio.cledelgado@raggio.cl

Hugo Muñozhrmb@telcel.net.ve

Paolo Cuneo & Stefano Gallopaolo.cuneo@victoria.ge.itstefano.gallo@victoria.ge.it

Alvaro Vilá& Roberto Gómezroberto.gomez@vilca.com.co

44(0)20 7730 9679

(55) 153 263 3214

(56) 2 203 6126

(58) 212 716 7855(58) 212 985 0853

(39) 010 589351

(57) 1 413 4838(57) 1 418 6730

44(0)20 7730 9238

(55) 153 263 1779

(56) 2 203 6125

(58) 212 985 6844

(39) 010 565469

(57) 1 413 4777(57) 1 413 4778

DOE RUN PERU´S COMMERCIAL AGENTS IN OTHER COUNTRIES

NUMBER PRODUCT PAGE

1 Antimony __________________________________________________ 92 Arsenic Trioxide______________________________________________ 123 Refined Bismuth ____________________________________________ 144 Cadmium __________________________________________________ 205 Refined Copper ______________________________________________ 24

5.1 Refined Copper (Cathodes) ____________________________________ 245.2 Refined Copper (Wire Bars) ____________________________________ 30

6 Copper Sulfate Pentahydrate __________________________________ 327 Gold Bullion ________________________________________________ 348 Indium ____________________________________________________ 369 Refined Lead ________________________________________________ 40

9.1 Lead with low Antimony ______________________________________ 4610 Selenium __________________________________________________ 4811 Silver ______________________________________________________ 5212 Sulfuric Acid ________________________________________________ 5813 Smoking Sulfuric Acid (Oleum) ________________________________ 6014 Tellurium __________________________________________________ 6215 Zinc ______________________________________________________ 6616 Zinc Powder ________________________________________________ 7217 Zinc Sulphate ______________________________________________ 7418 Zinc - Silver Concentrate ______________________________________ 77

ALPHABETICAL INDEX

PRODUCT : ANTIMONY – BLOCKS

PURITY : 97,5 %

WEIGHT : Each block, 84 Ib. approx. (36 Kg.)

ANALYSIS :ELEMENT TYPICAL ANALYSIS MAX IMPURITIES

Antimony 97,500 96,000 min.Arsenic 0,600 0,92Sulphur 0,180 0,30Bismuth 0,150 0,30Copper 0,030 0,20Tin 0,020 0,10Iron 0,080 0,70Gold Tr. Tr.Silver 0,007 0.03Lead 1,600 1,80

The quality of this product can be changed.

PACKAGING.- Antimony blocks are shipped in palletized bundles of 27 or 36 blocks each. Jute brattice cloth for wrapping (6 ft. wide) and two hard boards sheets(1/8" x 32" x 32") per bundle are utilized to avoid any breakage or loss during handling.- Eight 1/2" (1,3 cm.) sealed steel straps secure the bundleand pallet tighty for easy handling with a fork-lift or crane.

WEIGHT.- Bundles with 27 blocks = 2270 lb. (1030 kg).Bundles with 36 blocks = 3020 lb. (1370 kg).

MARKS.- On the package:AntimonyPallet N°. , Lot N°.Gross weight in kg.Net weight in kg.Industria Peruana

ANTIMONY

Tolerance: ± 2.0%

Units A B C D E F G

DIMENSIONS

11216414 1/233

53.315.210.236.883.8

216418 1/233

53.315.210.247.083.8

TYPE CA B D EUnits

DIMENSIONS

With27 Blocks

With36 Blocks

Tolerance: ± 2.0%

PRODUCT : ARSENIC TRIOXIDE

PURITY : 97.0 %

ANALYSIS :ELEMENT TYPICAL ANALYSIS MAX IMPURITIES

Arsenic Trioxide 97,00 96,00 min.Antimony Trioxide 1,00 1,50Copper 0,12 0,20Iron 0,08 0,10Lead 0,10 0,30Insoluble 0,20 0,50

PACKAGING.- For exportation, Arsenic Trioxide is packed in 25 gallon ( 95 l) steel drums lined inside with plastic bags. For domestic sale, arsenic trioxide is packedin 55 gallon (208 I) steel drums. In both cases, drum covers are sealed with one rubber ring and one metallic ring. Drums for export from Callao areshipped in palletized bundles of six drums and secured with two 1-1/4" (3,2 cm.) sealed steel straps.

WEIGHT.- 25 gallon drum = 350 Ib. (160 kg).55 gallon drum = 750 Ib. (340 kg).

MARKS.- On the drums:Arsenic TrioxidePoisonGross weight in kg.Net weight in kg.Lot N°.Sale N°,Drum N°.CP- PERÚMADE IN PERU

ARSENIC TRIOXIDE

Tolerance: ± 1.0 %

DIMENSIONS

TYPE A BUnits

25 gal.22 18 1/2Inch.

cm.55 gal.

55.9 47.0

34 3/4 23

88.3 58.4

PRODUCT : REFINED BISMUTH.- INGOT BARS AND NEEDLES

PURITY : 99,9991 %

WEIGHT : Ingot Bars: 10,1 Ib approx. (4,58 kg)

ANALYSIS:

ELEMENT TYPICAL ANALYSIS MAX. IMPURITIEg/t (ppm) g/t (ppm)

Bismuth (by difference) 99,9991 % 99,9990 % min.Antimony 1,0 1,0Copper 0,6 1,0Iron 0,6 2,0Nickel 1,0 3,0Silver 0,2 0,3Lead 0,6 1,0Zinc 1,0 1,0Chlorine < 5,0 5,0

PACKAGING.- 1.- Ingot Bars are shipped in two types of wooden boxes lined inside with sealed plastic bags. Boxes type 1 contain 10 ingots and type2 forspecial requirements contain 216 ingots. Boxes are secured with sealed steel straps; two 1/2" (1,3 cm ) straps are placed on small boxes andtwo 1 1/4" (3,2 cm) on large ones.

2.- Needles are shipped in steel drums, lined with sealed plastic bags. Drum covers are secured with 4 or 5 round head stove bolts.There are twotypes of drums; the common (N) with 200 Ib (90,0 kg) of needles and type (M) for special requirement with 1600 Ib (500,0 kg).

MARKINGS.- Ingots Bars On the wooden Boxes On the drumsCP - PERU (Bottom cast) DOE RUN PERU Bismuth MetalLot N° (Die Stamped) Bismuth metal Gross and Net weight, kg

Lot No Box N° Lot NºGross and Net weight, kg Drum Nº MADE IN PERU MADE IN PERU

DOE RUN PERU

REFINED BISMUTH

INGOT BARS

Units A B C D E

DIMENSIONS

Tolerance: ± 1.5 %

18 3/4

25 1/2

13 3/4

11 1/4

14 3/4

TYPE A CUnits

DIMENSIONS

BTYPE A B C D E F

DIMENSIONS

UnitsM

55 gal.34 1/4 15 1/4Inch.

87.0 38.7

12 9 1/4

30.5 23.5

22 7/8

14 1/4

N5 gal.

______Inch.1

______ ______

______Tolerance:±1.5%

Tolerance:±1.5%

Tolerance: ± 0.5%

Tolerance: ± 0.8%

REFINED BISMUTH

NEEDLES

REFINED BISMUTH

PRODUCT : CADMIUM STICK AND BALLS

PURITY : 99,994 %

WEIGHT : Stick : 0,331 Ib (0,150 kg) approx.

2" Ø Ball : 1,28 Ib (0,580 kg) average.

ANALYSIS:

ELEMENT TYPICAL ANALYSIS MAX. IMPURITIES (I)g/t (ppm) g/t (ppm)

Cadmium (by difference) 99,994 % 99,990 % min.Antimony <5 10Arsenic 10 10Bismuth 1 1Copper 2 5Tin <1 10Iron 2 10Indium 1 10Nickel 3 5Silver <0.1 1Lead 15 30Thallium 5 15Zinc <10 15

(l)According to ASTM-B-440-00; The minimum permissible cadmium content shall be 99,95% (by difference).

PACKAGING.- 1.- Sticks are packed in wooden boxes lined inside with sealed plastic bags, the boxes are nailed and secured with two 1/2" (1,3 cm) sealed steel straps.

2.- Balls are shipped in wooden boxes lined inside with three sealed plastic bags with 30 balls each and secured with two 1/2" (1,3 cm ) sealed steel straps. Each box contains 90 balls with an average weight of 115 Ib (52 Kg).

CADMIUM

21DIMENSIONS

TYPE A B

Sticks

1.0 30.5

5.1 --

--Balls

cm. Inch. cm.

Tolerance: + 2.0 %

Marking.- On the BoxesCadmium Sticks or BallsGross and Net Weigth, kg.Box N°Lot N°CP PERÚMADE IN PERÚ

CADMIUM

TYPE SHAPE A B C

DIMENSIONS

D E F G

Sticks

15 1/2

13 3/4

11 1/2

Tolerance: ± 1.0 %

PRODUCT : REFINED COPPER - CATHODES

PURITY : 99,975 % (1)

ANALYSIS :ELEMENT TYPICAL ANALYSIS MAX. IMPURITIES (2)

g/t (ppm) g/t (ppm)

Copper 99,975 % 99,97 % min.Antimony 9 15Arsenic 2 3Sulphur 12 20Bismuth 1 1Tin <1 1 Iron 3 10Nickel <1 1Oxygen 100 100Silver 25 40Lead 2 10Selenium 1 2Silicon 1 2Tellurium <1 2Zinc 2 10Impurities sum 250 300

(1) Directly from electrolytic determination of copper. ASTM-E-53-02(2) According to ASTM-B-5-00 copper in all shapes shall meet the requirement Cu (Incl. Ag) = 99,90% minimun.

MARKINGS: On the packagelot. N°Package N°N° of CathodesWeight Kg/Lb

REFINED COPPER - CATHODES

PACKAGES

REFINED COPPER - CATHODES

CATHODES

TYPE SIZE A

HALVES

QUARTERS

DIMENSIONS

1/4-3/4

0.5-1.6

Tolerance: ±2 % Tolerance: ±3 % Tolerance: ±40 %

1/4-3/4

0.5-1.6

1/4-3/4

0.5-1.6

PACKAGING.- Refined Copper Cathodes are Shipped in packages of three different sizes and are secured with 1 1/4” (3.2 cm) sealed straps.

CHARACTERISTICSSIZE A

HALVES

QUARTERS

DIMENSIONS

HALVES

QUARTERS

Nº OFCATHODES

Nº OF STEELSTRAPSInch.

99.199.1

80-120 4

Tolerance: ±2% Tolerance: ±15% Tolerance: ±3%

PRODUCT : REFINED COPPER - WIRE BARS

PURITY : 99,97 %

WEIGHT : 250 Ib (113 Kg).

ANALYSIS :

ELEMENT TYPICAL ANALYSIS MAX. IMPURITIES (1)g/t (ppm) g/t (ppm)

Copper 99,97% 99,96 % minAntimony 10 15Arsenic 2 3Sulphur 12 20Bismuth 1 1Tin 1 1Iron 4 10Nickel 1 1Oxygen 300 350Silver 25 40Lead 2 10Selenium 1 2Silicon 1 2Tellurium 1 2Zinc 2 10

(1) According to ASTM B-5-00 the copper in all shapes shall meet the requirement Cu (Incl. Ag) = 99,90 % minimum.The shape and dimensions of wire bars are under ASTM B-5-00 specification.* Conductivity: Average 100,3 % IACS. Tolerance: ± 0,5 %

REFINED COPPER - WIRE BARS

Tolerance: ± 1.5 %

A B C D E F G

DIMENSIONS

Rad. KRad. JRad. IHUnitsWeight

kg cm113 137.2 11.1 10.2 10.2 15,2 2.54 30.5 5.7 2.54 3.8

lb inch.250 54 4 4 3/8 4 6 1 112 2 1/4 1 1/2 5/8

REFINED COPPER - WIRE BARS

PACKAGING: Refined Copper wire bars are packed in bundles with 15 bars per bundle and secured with three 1 1/4 (3,2 cm) sealed steel straps

DIMENSIONS

Av. Bundle Weight

21 53.3

17003800

inch cm inch cm inch cm

54 137.2 13 33.0

Tolerance: ± 2,0 %

MARKS: Wire Bars On the BundlesTop die stamped Lot. N°Lot. N° Bundle N°CP PERU Net weight in Kg.Industria Peruana

PACKAGING: Refined Copper wire bars are packed in bundles with 15 bars per bundle and secured with three 1 1/4 (3,2 cm) sealed steel straps

COPPER SULPHATE PENTAHYDRATE

PRODUCT : CuSO4. 5 H20

PURITY : Powder: SO4= : 37,4 %, Cu : 24,6 %

Crystallized: SO4= : 38,5 %, Cu : 25,0 %

ANALYSIS :

POWDER - CuSO4 . 5 H20 CRYSTALLIZED - CuSO4 . 5 H20

ELEMENT TYPICAL ANALYSIS MAX. IMPTURITIES TYPICAL ANALYSIS MAX. IMPTURITIES(%) (%) (%) (%)

Sulphate 37,4 37,0 min 38,5 38,0 minCopper 24,6 24,0 25,0 24,8 minAntimony < 0,01 0,01 < 0,01 0,01Arsenic 0,07 0,13 0,07 0,13Bismuth 0,01 0,02 0,01 0,02Tin < 0,01 0,05 < 0,01 0,05Iron 0,18 0,23 0,18 0,23Nickel 0,12 0,15 0,12 0,15Sulfuric Acid N.D. N.D. N.D. N.D.Impurities Sum. - 2,50 - 2,5

PACKAGING.- Shipped in bulk or in sealed plastic bags in polypropilene bags with a weight of 25 Kg .

COPPER SULPHATE

Units25 kg

DIMENSIONS

Inch 20

50.8cm

Tolerance: ± 2.0 %

MARKS: On the bag:DOE RUN PERUCopper SulphateIndustria PeruanaPN = 25 kg.

GOLD BULLION

PRODUCT : GOLD BULLION BARS

PURITY : 99,80 %

WEIGHT : 360 to 430 troy ounces (11,200 -13,400 Kg.).

ANALYSIS :

ELEMENT TYPICAL ANALYSIS MAX. IMPURITIESg/t (ppm) g/t (ppm)

Gold 99,80% 99,75 % min.Bismuth 8 50Copper 20 70Iron 30 70Palladium 800 1500Silver 800 1200Lead 6 10Selenium 4 4Tellurium 1 4Zinc 5 10

ASTM-B-562-95 covers refined gold in cast bar form.

PACKAGING.- Gold Bullion bars are shipped individually, and each bar is packed in a sealed canvas bag.MARKINGS.- Top side, die stamped Top right hand corner

Top Left hand corner Lot N° Bar N°Industria Peruana Weight in kg.CP PERÚ.

35Units A B C D

DIMENSIONS

EInch. 3 1/4

10 1/4

Tolerance: ±1.0 %

FRONT VIEW SIDE VIEW

PRODUCT : INDIUM INGOTS

PURITY : 99,991 %

WEIGHT : Ingot : 100 troy ounces (3,110 kg) and 33,3 Troy ounces (1,0 kg)

ANALYSIS :ELEMENT TYPICAL ANALYSIS MAX. IMPURITIES

g/t (ppm) g/t (ppm)

Indium (by difference) 99,991 % 99,990 %Cadmium 2 10Copper 24 30Tin 5 15Iron 2 10Nickel 15 20Silver <0,1 1Lead 25 40Thallium 4 10Bismuth 1 5Zinc 10 10

PACKAGING.- Each ingot is put into a plastic bag and sealed, and packed in wooden boxes, 10 ingots per box. The boxes are lined inside with corrugated pasteboard and each two ingots are separated by a sheet of corrugated pasteboard.Then the boxes are nailed and secured with two 1/2" (1,3 cm) sealedsteel straps. The net weight of each box is 1000 troy ounces (31 100 Kg) approx.

MARKINGS.- On the ingots (3kg) On the ingots (1kg) On the Boxes:Bottom cast Bottom cast DOE RUN PERU99,99 + Indium C P - PERU INDIUM METALTop die Stamped Industria Peruana Lot N° yearLot N° INDIO 99,99 + Net Weight in kg.Ingot N° Top die Stamped Gross Weight in kg.Year: Lot N° year MADE IN PERÚC P - PERU Ingot N°

INDIUM

37UnitsTYPE

A B C D

DIMENSIONS

EInch. 7 1/4

7 7/16

18.4cm

2 3/16

18.819.1 1.9 5.1 4.7

3/4 2.0 1 7/8

Tolerance: ±1.0 %

INDIUM

A B CUNITS

DIMENSIONS

D E F GTYPE

2 15/16

Tolerance: ±1.0%

2 15/16

REFINED LEAD

PRODUCT : REFINED LEAD : INGOTS AND BLOCKSPURITY : 99,997 %WEIGHT : Ingots : 98 Ib approx. (45 kg). Each Block : 2000 Ib approx. (907 Kg.).

ANALYSIS : ULTRA PURE LEAD (INGOTS)

ELEMENT TYPICAL ANALYSIS MAX. IMPURITIESg/t (ppm) g/t (ppm) ELEMENT SPEC. LIMIT. %

Lead (by difference) 99,997 % 99,995 % min. Lead BalanceAntimony 1 2 Calcium <0.0001Bismuth 12 20 Tin <0.0001Copper 2 2 Aluminum <0.0001Silver 3 3 Antimony <0.0001Thallium <1 2 Arsenic <0.0001* As + Sn + Fe + Zn 4 10 Bismuth <0.0005

Cadmium <0.0005Chromium <0.0001Copper <0.0001Iron <0.0001Magnesium <0.0001Manganese <0.0001Nickel <0.0001Selenium <0.0001Silicon <0.0001Silver <0.000017Thallium <0.0001Zinc <0.0001

The quality of refined lead is under BS-EN: 12659-1999 specificationPACKAGING.- Refined Lead ingots are packed in bundles of 25 ingots each. Ingots are placed in rows of 5. Four 1 1/4" sealed steel straps secure the bundle.The weight of the bun-

dle is 2450 Ib approx. (1125 kg), each bundle is covered with two round of stretch film.Refined Lead blocks are shipped without stretch film. For special shipment six plastic straps of 3/4 inch are used for each package.

MARKINGS.- INGOTS BUNDLES BLOCKS-USA BLOCKS -BRASIL Bottom cast Lot N° Bottom cast Botton castCP - PERU Weight in kg Industria Peruana Industria Peruana Bundle N° Top view Top die Stamped Lot N° Top viewLot N° Weight in kg Lot N°

Block N° Weight in kg Block N°

* To customer requirement, can be included others.

41Units A B C D

DIMENSIONS

E FInch. 2 1/4

17 1/4

Tolerance: ±2.0 %

PACKAGE

DIMENSIONS

UNITS C DA B

Inch. 21 3/4

20 1/2

22 1/4

17 5/16

52.0 44.0

Tolerance: ± 2.0 %

REFINED LEAD

PACKAGE

REFINED LEAD (BLOCK) USA - BRASIL

BLOCKS

Units A B C D

DIMENSIONS

E F G H ITOInch. 10 1/2

26.7cm

18 1/4

18 1/4 23 3/4

23 3/4

10 1/25/8 173 3/4 5 6 1/2 17 25 1/2 25 1/4

26.71.6 43.29.5 12.7 16.5 64.8 64.243.2

BRASIL

Tolerance: ±4.0%

BLOCKS

LEAD WITH LOW ANTIMONY

PRODUCT : LEAD WITH LOW ANTIMONY

PURITY : Blocks : 99,993 % Pb with 20 - 40 g/t (ppm) antimony

WEIGHT : Each Block : 2000 Ib approx. (907 Kg.).

ANALYSIS :

ELEMENT TYPICAL ANALYSIS ELEMENT TYPICAL ANALYSISBlocks; 20-40 g/t (ppm) Sb g/t (ppm) Blocks: 20-40 g/t (ppm) Sb g/t (ppm)

Lead 99,9930 % Sulfur 5Antimony 30 Nickel 1Bismuth 15 Cobalt 1Copper 2 Chromium 1Tellurium 1 Zinc 1Arsenic 1 Iron 1Silver 3 Selenium 1Aluminum 1 Tin 1

PACKAGING.- Lead with low antimony blocks are shipped loose.

MARKINGS.- BLOCKSLot N°Weight in kgBlock N°

Units A B C D

DIMENSIONS

E F G H IInch. 10 1/2

26.7cm

25 1/2

25 1/4

Tolerance: ±4.0 %

PRODUCT : SELENIUM POWDER

PURITY : 99,91%

POWDER : Granular precipitate pulverized to - 200 mesh (99,5 %).

ANALYSIS:ELEMENT TYPICAL ANALYSIS MAX. IMPURITIES

g/t (ppm) g/t (ppm)

Selenium (by difference) 99,91 % 99,80 % minAluminum 12 25Antimony 5 20Arsenic 10 15Bismuth 8 25Cadmium 1 2Calcium 25 100Copper 4 40Tin 1 5Iron 50 80Magnesium 5 50Nickel 5 5Silver 7 50Lead 10 50Silicon 25 60Thallium 1 1Tellurium 200 1000Zinc 12 30Mercury <20 20

PACKAGING.- Selenium Powder is packed in steel drums lined inside with plastic bags. Drum tops are pressure sealed. Six drums are packed in a wooden crateand secured with two 1 1/4" (3,2 cm) sealed steel straps.

WEIGHT- Each drum:88 Ib approx. Net weight (40 kg.).91 Ib approx. Gross weight (41,4 kg:).

SELENIUM POWDER

Tolerance: ±1.0 %

DIMENSIONS

UNITS A BInch. 12

30.5cm.

13 3/8

DRUMS POWDER

MARKS: On the DrumCommercial SeleniumMADE IN PERUDOE RUN PERULot. N° Drum N°Net. weight in kgGross wieght in kg

SELENIUM POWDER

Tolerance: ± 2.0 %

Units A B C D

DIMENSIONS

Inch. 16

40.6cm

WOODEN CRATES

MARKS: Wooden CratesCommercial Selenium, Lot. N°, Tare in kg.Drum N°DOE RUN PERU

WOODEN CRATES

SILVER

PRODUCT : REFINED SILVER : BARS, PLATES AND GRANULATED METAL

PURITY : Refined Silver : 99,996 %

WEIGHT : Refined Silver : Bars 1050 troy ounces approx. (32,7 Kg); Plates 283 troy ounces approx. (8,8 Kg)

ANALYSIS :

Silver (by difference) 99,996 % 99,990 min.Bismuth 1 2Copper 25 50Iron 3 6Gold 5 9Lead 1 2Selenium 1 3Tellurium 1 3

The specification ASTM - B-413-03 covers the refined silver.

PACKAGING.- 1. Bars and plates of refined silver are shipped to Callao in steel coffers, the covers are fastened with two padlocks.The bars for export from Callao are shipped in palletized bundles of either three, six, eight or 24 bars. Palletized can be done also in La Oroya.

2. The granulated metal is packed in steel drums in 10 sealed plastic bags with 322 troy ounces (10,0 kg) each bag, the cover are fastenedwith four stoves bolts and four welding points

MARKINGS.- 1. BARS Bottom Cast: INDUSTRIA PERUANA 2. PLATES On the drumsTop die stamped: Top die stamped : DOE RUN PERU La Oroya DivisionLeft hand corner: 9999 CP PERU Lot N° Plate N° CP- PERÚ Fine silver granulated Right hand corner: Lot N° Bar N° Weight in kg. MADE IN PERU Weight in troy ounces Industria Peruana. Net W. kg. Net W. troy onz

Gross W. kgLot No Drum No

35.6 33 9,5 10.2 12.7 9/169 7/8 25.1 9 7/8 25.1 1.43

Tolerance: ±3.5 % Tolerance: ±3.5 %

DIMENSIONS OF THE BARS

UNITS A B C D E

DIMENSIONS OF THE PLATES

A B CInch. 13

14 43 3/4 5 Inch. cm. Inch. cm. Inch. cm.

SILVER

20 5/8

Units A B C D

DIMENSIONS

FOR BARS AND PLATES

Tolerance: ±2.0 %

14 1/4

23.830.5

9 1/412

A CUnits

DIMENSIONS

FOR GRANULATED SILVER

Tolerance: ±2.0 %

COFFERS

SILVER

Units A B C D

DIMENSIONS

Tolerance: ±2.0 %

PALLET

MARKS: On the PalletLot. N°Pallet N°

GRANULATED SILVER DRUMS

SULFURIC ACID

PRODUCT : SULFURIC ACID: H2SO4

PURITY : 98,5%, H2SO4

ANALYSIS :

Sulfur Acid 98,5 % 98,5 % min.Antimony 0,2 <1Arsenic 1 2Chlorine 0,3 1Copper 0,4 1Iron 30 50Manganese 0,20 1Nickel <0,1 1Lead 5 20Selenium 0,1 1Zinc 1 2Nitrates 2 2Calcination Residue 100 120Impurities sum 1,5 % 1,5 %

Sulfuric Acid is shipped in special railroad tank cars or tank trucks.

CISTERN TRUCK

SMOKING SULFURIC ACID - OLEUM

PRODUCT : OLEUM

PURITY : 105,6 % EQUIV. H2SO4 : 23,0 % SO3 FREE

ANALYSIS :

Sulfur Trioxide (SO3) Free 23,0 % 21,0 % min.

Antimony 0,2 0,3Arsenic 0,1 0,5Chlorine 0,3 1,5Copper 0,5 1Iron 48 50Manganese 0,4 1,0Nickel 0,2 1,0Lead 0,6 15Selenium <1,0 1,2Zinc 0,7 1,2Nitrates - 2,0Calcinations Residue 256 256

"Oleum" is shipped in special railroad tank cars or tank trucks.

CISTERN TRUCK

TELLURIUM

PRODUCT : TELLURIUM STICKS

PURITY : 99,94 %

WEIGHT : Each stick : 2 Ib approx. (0,91 Kg) ; half stick: 1 Lb approx. ( 0,45 kg).

ANALYSIS :

ELEMENT TYPICAL ANALYSIS MAX IMPURITIESg/t (ppm) g/t (ppm)

Tellurium (by Difference) 99,94% 99,80 % minAluminum 1 10Antimony 1 1Bismuth 70 100Copper 50 100Cadmium 1 1Tin <1 1Iron 10 100Silver 10 100Lead 25 150Selenium 250 400Mercury <20 20

PACKAGING.- Tellurium sticks are individually wrapped in Kraft paper and in groups of six are put into plastic bags and packed in steel drums of 5 galloncapacity. Drum covers are pressure sealed. Six drums are packed in a wooden crate, and secured with two 1 1/4" (3,2 cm) sealed steel straps.

WEIGHT- Each drum: 75 sticks (150 half stick): 154 Ib approx. Net (70 kg) 158 Ib approx. Gross (72 kg).

Tolerance: ±2.0 %

DIMENSIONS

A BType ofSticks

cm. Inch. cm.

TELLURIUM

Tolerance: ±2.0 %

DIMENSIONS

UNITS A BInch. 12

30.5cm.

13 3/8

MARKS: On the drumCommercial TelluriumMADE IN PERUDOE RUN PERUNet. weight in kg.Gross weight in kg.Lot. N° Drum N°

Tolerance: ± 2.0 %

Units A B C D

DIMENSIONS

Inch. 16 3/4

42.6cm.

26 1/4

MARKS: Wooden CratesCommercial Tellurium, Lot. N°Tare in kg.Drum N°DOE RUN PERU

PRODUCT : REFINED ZINC : SLABS, 2" Ø BALLS

PURITY : 99,996 %

WEIGHT : Foot Slabs: 61,6 lbs approx. ( 28 kg)

Plain Slabs: 62,7 lbs approx. ( 28,5 kg)

2" Ø Ball : 1 lb average (0,45 kg)

ANALYSIS :

Zinc (by difference) 99,996% 99,990 % minLead 12 30Copper 8 10 (1)Cadmium 3 30Iron 5 30Tin <1 (2)

The quality of refined zinc is Special High Grade "Good delivery (99,995+ %) and is under BS-EN-1179-2003 Specification.(1) Value that in total impurities shall not exceed 100 ppm.(2) Tin in Special High-Grade shall not exceed 10 ppm.

PACKAGING.- Refined Zinc slabs are packed in bundles of 4 foot slabs and 48 plain slabs.Four 1 1/4" sealed steel straps secure the bundle. The weight of the bundle is 3 140 Ib approx. (1 430 kg).Zinc balls are placed in polypropylene bags that are sealed and then packed in cardboard boxes, weighing an average of 25 kg per box. PalletPackaging : 40 boxes with a net weight of 1 000.0 kg of zinc balls are placed on a pallet, which is finally covered with 4 layers of stretch film.

MARKS: Bottom Cast:Industria CP Peruana99,995 + PERU 99,995+

17 1/4

18 3/4

Units A B C D

DIMENSIONS

E F G H I JInch.

MARKS: Bottom Cast:Industria Peruana99,995+

FOOT SLABS

18 1/2

58.4 95.3

37 1/2

Tolerance: ±2.0 %

A CUnits

DIMENSIONS

BInch.

MARKS: On the package:Lot. N°Package N°Weight in kg.

PACKAGE

BALLS PACKAGE

MARKS: On the package:ZINC BALLSLot. N°Net. weight in kg.Gross weight in kg.Purity: 99.995+Pallet N°

A CUnits

DIMENSIONS

BAUnits

DIMENSIONS

SHAPE D22 1/2 45 1/3Inch.

cm. 57 115

25 3/5

2Inch.

cm. 5.1BALLS

Tolerance: ±2.0 %Tolerance: ±1.0 %

ZINC POWDER

PRODUCT : ZINC POWDER

PURITY : Metallic Zinc : 94,0 %, Total Zinc : 98,0 %

ANALYSIS :

ELEMENT TYPICAL ANALYSIS MAX. IMPURITIES% %

Metallic / Zinc 94,0 92,0 min.Total / Zinc 98,0 96,0 minCadmium 0,01 0,05Copper 0,01 0,02Iron 0,01 0,05lead 0,01 0,10

DOE RUN PERÚ

TYLER STANDARD MINIMUN % MAX. % TYPIC %SERIES N°. µm

+200 +75 0,01 0,05 0,02+250 +63 0,03 0,10 0,03+325 +45 0,30 1,50 0,30-325 -45 99,65 99,85

PACKAGING.- The zinc powder is packed in steel drums lined with sealed plastic bags. Drum covers are secured with 5 round head stove bolts.

73Tolerance: ±2.0 %

A CUnits

DIMENSIONS

34 15Inch.

cm. 86.4 38.1

MARKS: On the Drum:CP-PERU Weight: Net and gross in kg.Drum N°, Lot. N°ZINC POWDERMADE IN PERU

ZINC SULPHATE

PRODUCT : ZINC SULPHATE MONOHYDRATE

PURITY : 35,0 % Zn ; 53,9 % SO4=

ANALYSIS :

Zn SO4 . H2O - (Mining Use) Zn SO4 . H2O – (Agricultural Use)

ELEMENT TYPICAL ANALYSIS MAX. IMPURITIES TYPICAL ANALYSIS MAX. IMPURITIES(%) (%) (%) (%)

Sulphate 53,9 53,0 min. 53,5 53,0 min.Zinc 34,0 32,0 min. 33,5 32,0 min.Cadmium 0,15 0,45 10 ppm 20 ppmCopper 0,01 0,45 10 ppm 20 ppmIron 0,08 0,30 50 ppm 100 ppmLead 0,01 0,05 60 ppm 100 ppmIgnition Losses 11,4 11,4 11,0 11,4Carbon 0,20 0,60 0,2 0,60Insolubles 0,35 0,60 0,35 0,60

PACKAGING.- Shipped in sealed plastic bags in a polypropylene bag with 50 Kg and 1000 Kg.

MARKS.- ON THE POLYPROPYLENE BAG (50 kg) ON THE BIG BAGS (1000 kg) DOE RUN PERU DOE RUN PERUZinc Sulphate Zinc sulphateMADE IN PERU Gross Wt. Kg / Net Wt. kgR.I. 837 Bag N° / Lot N°

MADE IN PERU R.I. 837

75Tolerance: ±2.0 %

Units A B

DIMENSIONS

Inch. 20

50.8cm.

PACKAGE

ZINC SULPHATE

DIMENSIONS

UNITS A B C

inch. 39,4 39,4 44,5

cm. 100 100 113

BIG BAG

ELEMENT TYPICAL ANALYSIS MAX. IMPURITIES% %

Zinc 53,31 45,00 min.Silver 4900 g/t 3520 g/t min.Lead 0,32 0,32 Copper 0,63 0,63 Sulphur 28,50 28,50 Iron 9,00 15,00 Arsenic 0,06 0,30 Antimony 0,02 0,02 Bismuth 0,01 0,01 Nickel 4,00 g/t 4,00 g/tCobalt 5,00 g/t 5,00 g/tCadmium 0,11 0,11 Selenium 6,00 g/t 6,00 g/tGold 0,80 g/t 0,80 g/tInsoluble 2,70 2,70 Alumina 0,30 0,30 Silicon (SiO2) 2,40 3,50

Lime 0,50 0,50

Shipped: Zinc-Silver concentrates are shipped in bulk in railroad hoppers or by track.

Zn/Ag CONCENTRATE

DOE RUN PERU was awarded the safety record prize in the Independence Room of the SheratonHotel, for the second consecutive year.

Offices within La Oroya Metallurgical Complex.

Ecological park. John T. Ryan Trophy testimony of the permanent safety effortsand practices of the entire family of DOE RUN PERU

Catalogo de Metales Op

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