The front of the pollutants on northeast China's Songhua River has approached 54 kilometers upstream of Jiamusi City, according to an environmental bulletin issued Tuesday.

The section is 298 kilometers away from the downstream city of Tongjiang, or the joining point of the Songhua River and the Heilongjiang River.

At this section, the density of nitrobenzene was at 0.004mg/L at 4:00 AM Tuesday, which is within the national standard, says the bulletin of the State Environmental Protection Administration (SEPA).

At the Dalianhe section in Yilan County, located upstream 388 kilometers away from Tongjiang City, the density has dropped after passage of the pollutants.

At 4:00 AM Tuesday, the density of nitrobenzene amounted to 0.154mg/L, exceeding the national standard by 8.1 times.

At the Tonghe Section, which is 455 kilometers upstream of Tongjiang, the density of nitrobenzene amounted to 0.022 mg/L at 8:00 PM Monday, exceeding the national standard by 0.27 times.

(Xinhua News Agency December 6, 2005)