Life Cycle Inventory of Gold Mined at Yanacocha, Peru

Appendix

Table 16. List of processes in the ‘Gold_Yanacocha’ project inventory.

No.	Process	Unit	No.	Process	Unit
1	Acid Water Treatment Plant, Yanacocha	p	81	Mercury, mined at Yanacocha	g
2	Acid Water Treatment, Yanacocha	g	82	Merrill Crowe plants, Yanacocha	p
3	Acid,Yanacocha, unaccounting for	g	83	Merrill Crowe process, Yanacocha	g
4	Activated carbon	kg	84	Mine infrastructure, Yanacocha	p
5	Aircraft, long haul	p	85	Mining shovel, Yanacocha	hr
6	Airport	p	86	Natural gas, emergy w/labor & services	J
7	Aluminum ingot, primary, emergy w/labor & services	g	87	Oil, crude, emergy w/labor & services	J
8	Ammonium nitrate, emergy w/ labor & services	g	88	Oil, refined, at Yanacocha	J
9	Ammonium, emergy w/labor and services	g	89	Oil, refined, emergy w/labor & services	J
10	Antifreeze	g	90	Operation, aircraft, freight, intercontinental	tkm
11	Azufre Dam, Yanacocha	p	91	Operation, maintenance, airport	p
12	Bitumen, emergy	g	92	Operation, maintenance, port	p
13	Brass, emergy w/labor & services	g	93	Operation, transoceanic freight ship	tkm
14	Brick, emergy w/out L&S	g	94	Operation, transoceanic tanker	tkm
15	Bronze, emergy w/labor & services	g	95	Paint, emergy w/labor & services	g
16	Building, hall, steel	m2	96	Pesticide, orthophosphate, emergy w/out L&S	g
17	Cement, emergy w/out services	g	97	Pig iron, emergy w/labor & services	g
18	Chlorine, at Yanacocha	kg	98	Polyacrylamide	g
19	Chlorine, emergy w/out labor and services	kg	99	Polybutadeine rubber, emergy w/labor & services	g
20	CIC plant, Yanacocha	p	100	Polystyrene, emergy w/labor and services	g
21	CIC process solution, Yanacocha	g	101	Polyurethane	g
22	Clay, geologic emergy	g	102	Port Facilities	p
23	Concrete, at Yanacocha	g	103	Primary steel, emergy w/labor & services	g
24	Concrete, emergy w/labor and services	g	104	Process water, at Yanacocha	g
25	Conventional Process Water Treatment Plant, Yanacocha	p	105	Processing, Yanacocha	p
26	Conventional Process Water Treatment, Yanacocha	g	106	Pump station	p
27	Copper, emergy w/labor & services	g	107	PVC, emergy w/out services	g
28	Diamond drill bit	p	108	Quicklime, CaO, emergy	g
29	Diamond exploration drill, Yanacocha	hr	109	Rear dump truck, at Yanacocha	hr
30	Diamond, geologic emergy	g	110	Reclamation, Yanacocha	kg
31	Dore from Yanacocha, in Switzerland	p	111	Recycled leach solution	g
32	Dore, at Yanacocha	p	112	Reinforced concrete, emergy w/out labor and services	m3
33	Drill rig, Yanacocha	hr	113	Rejo Dam, Yanacocha	p
34	Dust control, Yanacocha	year	114	Retort process, Yanacocha	g
35	Electricity from coal, emergy w/labor & services	J	115	Reverse Osmosis Process Water Treatment, Yanacocha	g
36	Electricity from gas, emergy w/labor & services	J	116	RO membrane	p
37	Electricity from hydro, emergy w/labor & services	J	117	RO System	p
38	Electricity from nuclear, emergy w/labor & services	J	118	Road construction, Peru	kmy
39	Electricity from oil, emergy w/labor & services	J	119	Road operation, Peru	kmy
40	Electricity, at powerplant, Peru	J	120	Rock wool, emergy w/out labor and services	g
41	Electricity, at powerplant, USA	J	121	Salt, NaCl 100%, emergy w/labor and services	g
42	Emergy in dollar, Peru, 2004	USD	122	Sand, geologic emergy	g
43	Ethylene-propylene rubber (EBR), emergy with labor	g	123	Scraper, Yanacocha'	hr
44	Exploration, Yanacocha	year	124	Sediment and dust control, Yanacocha	year
45	Explosives (ANFO), at Yanacocha	kg	125	Sediment control structures, Yanacocha	p
46	Extraction, Yanacocha	kg	126	Serpentine, Yanacocha	p
47	Fill material, Yanacocha	g	127	Service Road, Yanacocha	km
48	Generic inorganic acid, 100%, emergy w/out goods and services	g	128	Silt, geologic emergy	g
49	Generic organic chemical, emergy w/labor and services	g	129	Silver at Yanacocha, geologic emergy	g
50	Geomembrane, HPDE, 1.5mm thickness	m2	130	Smelters, Yanacocha	p
51	Geomembrane, HPDE, 2mm thickness	m2	131	Smelting, Yanacocha	g
52	Geomembrane, LLPDE, 1mm thickness	m2	132	Sodium cyanide, at Yanacocha	kg
53	Geomembrane, LLPDE, 2mm thickness	m2	133	Sodium hydrosulfide, 100%	kg
54	Geotextile, 8 oz.	sq.yd	134	Sodium hydroxide, 100%, at Yanacocha	g
55	Glass, emergy, w/out services	g	135	Sodium hydroxide, 100%, emergy with labor and services	g
56	Gold at Yanacocha, geologic emergy	g	136	Stacker, Yanacocha	hr
57	Grande Dam, Yanacocha	p	137	Standing biomass before mining, Yanacocha	m2
58	Gravel, crushed and washed, Peru	g	138	Standing biomass, tropical savannah, emergy	g
59	Ground water, g, emergy	g	139	Steel Pipe, 36" dia., at Yanacocha	ft
60	Hauling Road, Yanacocha	km	140	Storage tank, steel	g
61	HDPE Pipe, 40" dia.	m	141	Sulfuric acid, 98%, emergy w/out L&S	g
62	HDPE, emergy w/labor & services	g	142	Sulphur hexaflouride	g
63	Heavy Vehicle	kg	143	Surface water, g, emergy	g
64	Highway, provincial	my	144	Tetrafluoroethylene	g
65	Hydrochloric acid, 100%, emergy w/labor and services	g	145	Tilting Furnace	p
66	Hydrogen cyanide	g	146	Transmission network, electricity, medium voltage	km
67	Hydrogen sulfide, emergy w/out L&S	g	147	Transoceanic freight ship	p
68	Iron ore, emergy w/labor and services	g	148	Transoceanic tanker	p
69	Iron(III) Chloride	g	149	Transport of Dore, Yanacocha to Switzerland	g
70	Labor, Peru, emergy	J	150	Transport truck, operation, Peru	km
71	Labor, total, Yanacocha	p	151	Transport, aircraft, freight, intercontinental	tkm
72	Leach Pad, Yanacocha	m2	152	Transport, aircraft, freight, Peru	tkm
73	Leach Pool, Yanacocha	m2	153	Transport, transoceanic freight ship	tkm
74	Leaching, Yanacocha	g	154	Transport, transoceanic tanker	tkm
75	Lead acetate	g	155	Transport, truck, Peru	tkm
76	Lead, in ground, geologic emergy	g	156	Transport, truck, USA, emergy w/out services	tkm
77	Lime, loose and hydrated, at Yanacocha	kg	157	Water supply network	km
78	Limestone, geologic emergy	g	158	Water Treatment, Yanacocha	p
79	Lumber, emergy w/out services	g	159	Wood preservative	g
80	Mercury, in ground, geologic emergy	g	160	Zinc, geologic emergy	g