But a man from the Ministry had to take water samples.

Dan had left to get some sleep, but she was still there working on the water samples.

I know those water samples have gotta be small, but he's gotten some results.

They also took more than 1,500 water samples for chemical and biological analysis back on land.

He took a quick water sample and hurried back to the ship.

The old man was engrossed in taking a water sample when he heard his name called.

"And part of my job is to send water samples from the ship to your lab?"

Nor is he able to find dangerous concentrations in water samples.

Each day, city collectors take water samples for laboratory analysis.

A water sample analysis will usually cost between $100 and $200 depending upon the tests performed.

It has also been isolated from soil and water samples in the environment.

The color of a water sample can be reported as:

Some 10,000 sea water samples were taken and a similar number of temperature readings.

This may require a water sample to be tested before the dive.

Atmospheric gas present in that air space may also dissolve into the water sample.

They are also collecting water samples to help a student in Chicago study acid rain.

He collected water samples and subjected them to sophisticated analysis.

Every week, water samples of each beach are collected for analysis to find out their bacterial level.

Recently he directed an employee to bring a water sample to a local laboratory for testing.

One of the men took a water sample out to the ship and they ran it through the analyzer.

The number of water samples can vary from 15 to 30 depending on the area classification.

Scientists think that the sediment and water samples could also hold key information about climate change.

"Down by the river getting some water samples," Jenna replied.

Still, there were 36 local authorities that failed to take water samples as required, the ministry said.

Soil and water samples of the seabed were taken during the mission.