No trace of chemical or petroleum products, the site was dry.
NPR: 'Arson' by Nick Lysohir
Stored at a dry -20C and robotically-selected, it has the capacity to store 90 million chemical compounds.
BBC: Science of life in the economy
"Dry labbing" is the practice of merely visually identifying samples instead of performing the required chemical test, the attorney general said.
CNN: Second Massachusetts state chemist accused of tampering
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