[advancetestingl]

If you're a business and you need to have your products tested for chemical composition, you'll need to find a chemical testing lab. But how do you choose one?
Here are four tips:
Make sure the lab is accredited by an appropriate organization.
Ask if the lab has experience in the types of tests you need.
Ask for references from past clients.
Get a quote upfront so you know what you're spending.