Nathan Eagle/Civil Beat

Honolulu Mayor Kirk Caldwell will be returning from his diplomatic and trade mission in Japan two days early because of Hurricane Iselle, which is projected to hit the Hawaiian islands as a tropical storm later this week.

Caldwell is scheduled to arrive back in Honolulu on Wednesday, according to a press release from the mayor’s office.

He will continue with his scheduled activities today (Tuesday).

Kirk Caldwell, 2012

Nathan Eagle/Civil Beat

At 1 p.m., he will participate in the Hiroshima Peace Memorial Ceremony, marking the anniversary of the 1945 U.S. atomic


Trace levels of the chemicals bromacil and boron have been detected in Oahu water supplies, but are not considered a threat to human health, according to a Hawaii Department of Health press release.

Bromacil, a herbicide used for weed control in pineapple fields and on citrus plants, was detected at pumps in Waipahu and Mililani.

Boron, which naturally occurs in rocks and soils, was found at several treatment facilities in Waipahu and Waialua.

The contaminants registered at levels well below safety thresholds established by the U.S. Environmental Protection Agency, according to the health department.