LOCATION OF TARGETS
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REQUIREMENTS FOR AIR ASCENDANCY Tab B Japanese Theatre - Appendix J-VII Chemicals |
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AMMONIA-SODA PLANTS (CAUSTIC SODA, ETC.) |
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No. |
Name and Location |
Annual Capacity (Met. Tons) |
Percent Japan Total |
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A-1 |
Tokuyama Soda Co. - Tokuyama |
111,000 |
25.8 |
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A-2 |
Asahi Glass Co. - Makiyama |
111,000 |
25.6 |
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A-3 |
Toyo Soda Industries, Ltd. - Yamaguchi |
55,500 |
12.9 |
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277,500 |
64.5 |
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NITROGEN FIXTATION PLANTS |
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No. |
Name and Location |
Annual Capacity (Met. Tons) |
Percent Japan Total |
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B-1 |
Chosen Chisso Hiryo KK - Konan (Korea) |
104,000 |
13.3 |
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B-2 |
Nippon Kasel Kogyo KK - Kurosaki |
85,500 |
10.9 |
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B-3 |
Toyo High Pressure Co. - Omuta |
69,500 |
8.9 |
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B-4 |
Showa Hiryo KK - Kawasaki |
69,000 |
8.9 |
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B-5 |
Ube Chisso Kogyo KK - Ube |
64,000 |
8.1 |
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391,000 |
50.1 |
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ACETONE |
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No. |
Name and Location |
Annual Capacity (Met. Tons) |
Percent Japan Total |
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C-1 |
Denki Kagaku Kogyo KK - Omuta |
59,000 |
52.7 |
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C-2 |
Showa Hiryo KK - Kanose |
20,000 |
17.9 |
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79,000 |
70.6 |
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CELLUOSE |
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No. |
Name and Location |
Annual Capacity (Met. Tons) |
Percent Japan Total |
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D-1 |
Oji Seishi KK - 1) Noda (Karafuto) |
60,000 |
21.4 |
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D-2 |
Oji Seishi KK - 2) Tomaye (Karafuto) |
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D-3 |
Nihon Jinken Parupu KK - Shikuka (Karafuto) |
40,000 |
14.3 |
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D-4 |
Hokuyo Seishi Kagaku KK - Kisshu (Korea) |
33,000 |
11.8 |
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130,000 |
47.5 |
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SUMMARY: Diverse nature of the chemical industry does not lend itself to quantitative analysis in the establishment of target priorities—the various general groups of chemical products must be assigned somewhat arbitrary priorities. Japan is seriously deficient in supplies of (a) caustic soda, (b) nitric acid, (c) toluene, (d) acetone, and (e) cellulose. Caustic soda is essential for practically all heavy industrial chemical processes and deficiencies in this product would be most broadly felt, throughout Japanese industry. Because of this, Ammonia-Soda plants, the largest producers of caustic soda as well as other products vital to Japan's chemical industry are assigned top priority (A group). Other group priorities are assigned on the basis of relative contribution to the production of munitions and other war materials. Steel plants and petroleum refineries also yield important supplies of war and industrial chemicals (coke oven by-products, etc.), and are covered in other sections of this report. |
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1. DESCRIPTION OF TARGETS
The chemical works comprise a complex of factory buildings in each of which the various chemical products are made. The layout necessarily varies according to the range of products manufactured by the particular plant concerned.
2. NUMBER OF DIRECT HITS AND TYPE OF BOMB REQUIRED
In view of the diverse nature of these plants and the fact that some of the equipment is of heavy and some of light construction, it is considered advisable to use a mixture of 500 lb. and 300 lb. bombs and that the weight of attack should be such that not less than twenty (20) 500 lb. bombs and sixty (60) 300 lb. bombs should fall on the target aiming area of 1000' by 1000'. In order to accomplish this with the fourteen (14) targets included in this system, it appears that it would be necessary to have a total of:-
1,920 SORTIES
In order to carry out these sorties in sixty (60) operational days, a force of:-
3 - B 29’s and
27 - B 17e's
must be set up.