BEIJING, Nov. 8 (Xinhuanet) -- Some 82.8 percent of kelp products made in China are qualified, according to the latest sample survey conducted by the State Administration of Quality Supervision, Inspection and Quarantine, the Economic Daily reported Tuesday.

　　The survey showed that 24 out of 29 varieties of kelp products made by 26 factories in coastal Shandong, Liaoning, Fujian and Zhejiang provinces met the national quality requirements, the newspaper said.

　　High contents of arsenic and lead were blamed for the low quality of unqualified kelp products, according to the administration. Enditem