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Trelfa Labs, Inc. Company Policies


Scheduling Terms

  • Notice: 24 hours advance: no charge
  • Pickups: No later than 3:30 pm
  • Rush or after hours / Saturday pickups: $25.00 if we are not currently in your immediate service area
  • Rush or after hours / Saturday testing: $25.00

Payment Terms

  • Service Minimums: Testing: $30.00, Consulting & Training: $50.00
  • New Clients: Pre-paid or pre-determined deposit for first service
  • Testing Payments Due: Net 30 days, unless under separate agreement
  • Consulting & Training Payments Due: Net 15 days, unless under separate agreement
  • Discounts: Negotiable for high-volume clients


Scheduling Terms

  • Jon will visit your facility in half-day (4-hour) blocks of time.
  • Scheduling is done on a first-come, first-serve basis.

Payment Terms

  • This consulting program is billed as a monthly pre-paid retainer.
  • Appointments are not booked until the retainer has been paid. Promising checks upon arrival is not an acceptable form of payment.
  • Contract fees are based on monthly rates.
  • You may not skip a month within the designated contract period.
  • Any overages in time will be billed at your contracted hourly rate and due upon receipt.


  • Please make checks and money orders out to Trelfa Labs, Inc. and mail to 6 Merrill St., Unit 4, Salisbury, MA 01952.
  • We also accept credit card payments via Paypal. You can click here to download the Paypal Mobile app. (Requires a Paypal account.)
  • Please call us with your credit card information if you would rather not sign up for Paypal. We can process payments on your behalf.
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