The popular surfing beaches of Hossegor and Capbreton, 40km north of Biarritz, were closed for 10 days in early May after a motorway accident led to chemicals contaminating the water.

BBC: Where to go while Biarritz battles beach pollution

Tomlinson, who carried this developing fluid disguised as a bottle of Ralph Lauren toilet water, claims the technique was discovered by accident when a secret message from Russia was being decoded in the 1980s.

BBC: Spy tactics revealed by book

Before going out on the water, boaters can minimize the risk of accident or injury by taking a boating safety course, performing a vessel safety check, filing a float plan with a friend or family member prior to departure, and carefully assessing weather conditions.

WHITEHOUSE: The White House

New rules imposed by the NRC require plant operators to install or improve venting systems to limit core damage in a serious accident and set up sophisticated equipment to monitor water levels in pools of spent nuclear fuel.

NPR: Nuclear Chief: US Plants Safer After Japan Crisis

The pools store runoff water from the rickety, cumbersome system Tepco threw together after the accident, to cool Fukushima Daiichi's reactors.

WSJ: Leaks Rouse Fears at Japanese Nuclear Plant

But just one diarrhea accident can cause an infection for anyone who gets a mouth full of pool water.

CNN: Yuck! What's in your pool water

It is no accident that the Netherlands, a place with minimal resources and a rather large water-control problem, but open to trade, new people, and new ideas, gained wealth more rapidly than the rest of Europe.

FORBES: Suburbs Or Cities? Extraction Or Ideas?

The accident happened at about 1600 GMT on Monday when the man and three others fell into the water during an emergency exercise drill.

BBC: Man dies in Royal Portbury Dock fall

The amount of water reportedly released was tiny compared with the amount Tepco dumped into the ocean during the early weeks of the accident.

WSJ: New Leak at Japan Reactor Threatens Ocean