Ishimitsu S, Umemoto M, Mishima I, Tsuji S, Shibata T
Eisei Shikenjo Hokoku. 1995(113):97-100.
The number of official inspection of coal-tar dyes and their lakes from April in 1994 till March in 1995 were 635 in total. The quantity which passed inspection amounted to 186 ton in Japan. The production of color in each month was summarised in Table 1, and by each producing company in Table 2. The food coal-tar dye produced in the largest quantity was Food Yellow No.4, occupying 40.7% in this period.
1994年4月至1995年3月期间，煤焦油染料及其色淀的官方检验总数为635次。在日本，通过检验的数量达186吨。每月的产量汇总于表1，各生产公司的产量汇总于表2。产量最大的食用煤焦油染料是食用黄色4号，在此期间占40.7%。
