Save On Return Shipping
Use our UPS return shipping page to create a return shipping labels to our main lab in Burlington Washington. This gives you the opportunity to take advantage of our shipping discount through UPS.

Click here or the link above.

Hex Chromium Testing
We are accredited for method EPA 218.6.
We are capable of seeing down to 50 parts per trillion (ng/L) with an MDL less than 20 ng/L.
For more information call: 800-755-9295.

Save time, pay online For your convenience we have added the ability to make your payments through the website. Log in to your account to find the payment option. If you do not have an account, instructions to log in and pay will be on your invoice. Click to make a payment.