Sentence examples for tested for contamination from inspiring English sources

Indeed, it is not possible to identify precisely individuals who were exposed to SV40, as few vaccine batches were tested for contamination, not all batches were contaminated and distribution of contaminated batches from one country to another was not controlled (Gazdar et al, 2002).

Dr. Bowman said a master batch of cells had not been tested for contamination.

The bus – vehicle registration LR02 BCX – was found and tested for contamination.

The air in subways and traffic tunnels is being tested for contamination.

The only previous tests were in 1996, when water in some city schools was randomly sampled and tested for contamination, Mr. Chai said.

But the majority of seafood eaten in the US is imported and never tested for contamination by the EPA and other government agencies.

The USDA does not test for contamination after deregulating a biotech crop.

They found that 23percentt of the water fountain buttons tested had high levels of adenosine triphosphate, or ATP, a molecule helpful for testing for contamination.

Mushroom DNA was extracted and then amplified simultaneously to test for contamination during DNA extraction.

A negative (no template) control was also included in all PCR assays to test for contamination of reagents.

Negative controls (without template DNA) were also included in every run to test for contamination in the reagents.