SAMPLE DROP OFF INSTRUCTIONS
1. Prepare Your Samples
Packaging: All samples must be placed in a sealed plastic bag.
Labeling: Clearly mark each bag with:
Full Name & Phone Number
Email Address
Order ID (found on your Sample Acceptance Form)
2. Sample Size Requirements
Asbestos (Potential): Minimum 1" x 1" chunk or approximately 100 grams.
TCLP Samples: Minimum 300 grams (roughly a gallon-sized bag, at least half full).
3. Drop-Off Location
Samples can be dropped off 24/7 in the secure drop box located at our front office entrance:
Twin Ports Testing
2320 Nick Glumac Drive
Duluth, MN 55808
REPORTING AND RECEIPT
Samples will not be tested until a Sample Acceptance Form (provided below) has been submitted and payment received.
An emailed receipt of form completion and payment will be issued upon completion of the Sample Acceptance Form.
Once your sample has been tested, you will receive an emailed report detailing the analysis results. Please double check your spam folder prior to reaching out about missing reports.
QUESTIONS?
If you have any questions regarding sampling, testing, drop off, or payment please submit to info@twinportstesting.com or call 715-392-7114. If you are in need of an on-site inspection or field sampling, please email tjacobs@twinportstesting.com for an estimate.
Thank you for choosing Twin Ports Testing! We look forward to providing the quality assurance and technical expertise your project deserves.