In the investigation, the amount of arsenic included was 22 times the average value, that of manganese 13 times the average value, that of chromium 7 times the average value and that of nickel 3 times the average value, each quite a high value compared with the average value, were detected, suggesting that the components of the air in the time when kosa is falling are different from those of the ordinary air.
それによると、平均値に比べてヒ素が22倍、マンガンが13倍、クロムが7倍、ニッケルが3倍という高い数値を記録しており、黄砂の飛来時には大気の成分が通常とは異なることを示唆している。