How to assess a company for short term liquidity?

Hi friends...

I am working in Fixed income Dept. I look after the the commercial paper issuance for Corporates. Corporates issues commercial paper to meet their working capital requirement. Its issued normally for 1month to 12 month tenor..

I would like to know how can i quickly analyse companys short term Liquidity condition or how can i judge that company will be able to repay its short term debt? (I have to work on 50-60 companies)

Waiting for your reply...

Thanks in advance !!!!