MC-LR and MC-RR could be detected out in water of Miyun Reservoir. Maximum concentration was discovered in September,MC-LR 41ng/L and MC-RR 18ng/L respectively.

• 在密云水库中检出了微囊藻毒素,最高值出现在9月份,MC-LR和MC-RR的浓度分别为41ng/L和18ng/L。