Hiroshima Plant

• Atmospheric pollutants

Atmospheric pollutants		Unit	Regulation	Actual(max.)
NOx	Boilers	ppm	180	87
			150	62
	Drying ovens	ppm	250	59
			230	31
	Melting furnaces	ppm	180	130
	Diesel engines	ppm	950	770
	Heating furnaces	ppm	200	31
			180	51
			150	63
			130	42
	Roasting furnaces	ppm	220	25
Ash	Boilers	g/m³N	0.30	0.0018
			0.10	0.0015
	Drying ovens	g/m³N	0.40	0.0061
			0.35	0.0042
			0.20	0.004
			0.15	0.0066
	Melting furnaces	g/m³N	0.40	0.054
			0.20	0.08
			0.10	0.0082
	Diesel engines	g/m³N	0.10	0.0023
	Heating furnaces	g/m³N	0.40	0.0018
			0.25	0.015
			0.20	0.015
	Roasting furnaces	g/m³N	0.10	0.0015
SOx	K-value regulation	-	7	1.36
VOC	Painting facilities	ppm	700	282
	Washing facilities	ppm	400	124

• Water pollutants (Wastewater Drainage Destination: Enko River and Kaita Bay)

Water pollutants	Unit	Regulation	Actual
			Max.	Min.	Avg.
pH (freshwater)	-	5.8-8.6	7.6	6.5	7.1
pH (seawater)	-	5.5-9.0	7.7	6.8	7.3
BOD	mg/L	120	4	ND	< 1.5
COD	mg/L	15	9	1.6	3.8
SS	mg/L	150	7	ND	< 2.6
Oil	mg/L	5	ND	ND	ND
Copper	mg/L	3	ND	ND	ND
Fluorine (freshwater)	mg/L	8	0.2	ND	< 0.1
Fluorine (seawater)	mg/L	15	6.1	0.1	2.3
Zinc	mg/L	2	0.36	ND	< 0.09
Soluble iron	mg/L	10	0.2	ND	< 0.1
Soluble manganese	mg/L	10	0.8	ND	< 0.3
Total nitrogen	mg/L	60	11	1.9	5
Total phosphorus	mg/L	8	0.7	ND	< 0.06
Coliform groups	Colonies/cm³	3,000	110	< 10	< 16
Phenol	mg/L	5	0.02	ND	< 0.02
Chromium	mg/L	2	0.04	ND	< 0.01
Boron (freshwater)	mg/L	10	0.32	0.09	0.21
Boron (seawater)	mg/L	230	1.8	0.13	1.0
Ammonia, ammonium, nitrous acid, and nitrous acid compounds	mg/L	100	4.3	1.1	3.0

The following substances were not detected: cadmium, cyanogen, organic phosphorus, lead, hexavalent chromium,arsenic, mercury, alkyl mercury, PCBs, trichloroethylene, tetrachloroethylene, dichloromethane, carbon tetrachloride, 1.2-dichloroethane, 1.1-dichloroethylene, cis 1.2-dichloroethylene, 1.1.1-trichloroethane, 1.1.2-trichloroethane, 1.3-dichloropropene, thiuram, simazine, thiobencarb, benzene, and selenium.

• Volume of PRTR-designated Pollutants Emitted and Transferred in FY2010

(Items marked with an asterisk (*) are class 1 designated chemical substances of which 500 kg/year or more are handled.)
(Other items are class 1 designated chemical substances of which 1,000 kg/year or more are handled.)

Substance No	Substance group	Amount handled				Volume emitted	Amount consumed	Amount disposed	Amount transferred	Amount recycled
			Air	Water	Soil				Waste products
1	Water-soluble zinc compounds	19,157	0	302	0	302	15,397	0	3,458	0
37	4,4'-isopropylidenediphenol	4,313	0	0	0	0	0	4,313	0	0
53	Ethyl benzene	151,988	77,638	0	0	77,638	43,043	28,104	0	3,203
80	Xylene	611,285	246,876	0	0	246,876	179,998	113,978	0	70,433
87	Chromium and trivalent chromium compounds	103,172	0	0	0	0	102,146	0	1,026	0
88*	Hexavalent chromium compounds	2,508	0	0	0	0	1,482	1,026	0	0
258	1,3,5,7-tetraazetoricyclo [3.3.1.13.7] decane	135,542	0	0	0	0	0	135,542	0	0
277	Triethylamine	320,847	1,926	0	0	1,926	0	318,921	0	0
296	1,2,4-trimethylbenzene	183,830	13,699	0	0	13,699	113,043	57,088	0	0
297	1,3,5-trimethylbenzene	56,301	25,165	0	0	25,165	5,219	13,722	0	12,195
300	Toluene	957,773	287,726	0	0	287,726	405,666	248,364	0	16,017
309*	Nickel compounds	2,793	0	337	0	337	962	0	1,494	0
349	Phenol	771,619	19	23	0	42	0	771,577	0	0
355	Bis (2-ethylhexyl) phthalate	14,511	0	0	0	0	14,076	435	0	0
374	Hydrogen fluoride and its water-soluble salts	4,152	0	664	0	664	0	0	3,488	0
392	n-Hexane	141,754	355	0	0	355	113,906	27,493	0	0
400*	Benzene	28,748	36	0	0	36	21,521	7,191	0	0
411*	Formaldehyde	216,077	2,301	0	0	2,301	0	213,776	0	0
412	Manganese and its compounds	255,129	0	305	0	305	253,072	0	1,679	73
438	Methylnaphthalene	15,399	0	0	0	0	0	15,399	0	0
448	Diisocyanate (methylene-bis [4,1-phenylene])	297,773	0	0	0	0	0	297,773	0	0
453	Molybdenum and its compounds	3,839	0	0	0	0	1,934	0	91	1,814
Total		4,298,510	655,741	1,631	0	657,372	1,271,465	2,254,702	11,236	103,735

Miyoshi Office (including plant)

• Atmospheric pollutants

Atmospheric pollutants		Unit	Regulation	Actual (max.)
NOx	Boilers	ppm	250	180
Ash	Boilers	g/m³N	0.30	0.057

• Water pollutants (Wastewater Drainage Destination: Basen River)

Water pollutants	Unit	Regulation	Actual
			Max.	Min.	Avg.
pH	–	5.8-8.6	7.7	7.2	7.5
BOD	mg/L	70	3.5	0.8	1.9
SS	mg/L	70	5.0	0.8	2.3
Oil	mg/L	5	ND	ND	ND
Fluorine	mg/L	8	0.2	0.2	0.2
Zinc	mg/L	2	ND	ND	ND
Soluble manganese	mg/L	10	0.6	ND	< 0.3
Total nitrogen	mg/L	60	2	2	2
Total phosphorus	mg/L	8	0.02	0.02	0.02
Coliform groups	Colonies/cm³	3,000	< 10	< 10	< 10
Boron	mg/L	10	0.03	0.03	0.03
Ammonia, ammonium, nitrous acid, and nitrous acid compounds	mg/L	100	0.3	0.3	0.3

The following substances were not detected: cadmium, cyanogen, organic phosphorus, lead, hexavalent chromium, arsenic, mercury, alkyl mercury, PCBs, trichloroethylene, tetrachloroethylene, dichloromethane, carbon tetrachloride, 1.2-dichloroethane, 1.1-dichloroethylene, cis 1.2-dichloroethylene, 1.1.1-trichloroethane, 1.1.2-trichloroethane, 1.3-dichloropropene, thiuram, simazine, thiobencarb, benzene, selenium, phenol, copper, soluble iron, and chromium.

• Volume of PRTR-designated Pollutants Emitted and Transferred in FY2010

(Items marked with an asterisk (*) are class 1 designated chemical substances of which 500 kg/year or more are handled.)
(Other items are class 1 designated chemical substances of which 1,000 kg/year or more are handled.)

Substance No	Substance group	Amount handled				Volume emitted	Amount consumed	Amount disposed	Amount transferred	Amount recycled
			Air	Water	Soil				Waste products
53	Ethyl benzene	4,249	0.48	0	0	0.48	0	4,249	0	0
80	Xylene	17,908	1.8	0	0	1.8	0	17,906	0	0
296	1,2,4-trimethylbenzene	11,481	0.44	0	0	0.44	0	11,481	0	0
297	1,3,5-trimethylbenzene	1,278	0.04	0	0	0.04	0	1,278	0	0
300	Toluene	47,433	17	0	0	17	0	47,416	0	0
392	n-Hexane	9,019	23	0	0	23	0	8,996	0	0
400*	Benzene	1,967	2.5	0	0	2.5	0	1,965	0	0
438	Methylnaphthalene	6,683	0	0	0	0	0	6,683	0	0
Total		100,018	44.78	0	0	45	0	99,973	0	0