For lab sample testing please complete this form after shipping the sample and include a tracking number.

Please Note:

  • The minimum volume of sludge required for a test is one Liter. We are not responsible for delays due to not being provided the minimum quantity of sludge. If your sludge is less than 1% solids please include two Liters.

  • The tracking number is optional but we are not responsible for delays due to packages lost by the shipping company. 

  • Biological samples should be shipped with ice to preserve sample integrity.


23603 N. Hwy 288
Angleton, TX 77515



Tel:  979-864-3990
Fax:  979-864-3998

Aspen Rentals Hours:

Mon-Fri: 7:30 am - 5:00 pm CST
After Hours call
(979) 201-9515 For Rentals
(979) 201-1329 For Repairs