The term 'LAB SCI' is a job description for a Chemical Laboratory Scientist. This position requires a person to be knowledgeable in the field of chemistry and to be able to perform laboratory experiments and tests. They must also be able to analyze data and interpret results. The crossword solutions for this term are CHEM, which stands for Chemistry. Therefore, a Chemical Laboratory Scientist is someone who is knowledgeable in the field of chemistry and is able to perform laboratory experiments and tests, analyze data, and interpret results.