CBP Anoints Puerto Rico Lab for Official Oil Testing
Published Date: 12/29/2025
Notice
Summary
Altol Chemical and Environmental Laboratory in Ponce, Puerto Rico, just got the green light to officially test petroleum products for U.S. Customs starting September 5, 2024. This means importers and exporters can trust their results for the next three years, with the next check-up set for 2027. No extra costs or delays are expected, just smoother, official testing in the Caribbean!
Analyzed Economic Effects
3 provisions identified: 3 benefits, 0 costs, 0 mixed.
Local lab accredited for customs tests
If you import or export petroleum or certain petroleum products, Altol Chemical and Environmental Laboratory in Ponce, PR was accredited to test those products for U.S. Customs as of September 5, 2024. The accreditation lasts for three years from that date, with the next triennial inspection scheduled for September 2027.
Accredited for specific petroleum tests
Altol Chemical and Environmental Laboratory is accredited to perform specific CBP laboratory methods and ASTM tests for petroleum, including CBPL 27-01 (ASTM D287 API gravity by hydrometer), 27-02 (ASTM D1298 density/API gravity by hydrometer), 27-11 (ASTM D445 kinematic viscosity), 27-13 (ASTM D4294 sulfur by X-ray fluorescence), and 27-48 (ASTM D4052 density by digital density meter). Businesses needing any of these listed tests can rely on those accredited methods for customs purposes.
You should get written accreditation proof
Anyone who wants this lab to do a test for customs purposes should ask the lab for written assurance that it is accredited to perform the specific test requested. You can also contact U.S. Customs and Border Protection at (202) 344-1060, by email at labs@cbp.dhs.gov, or check http://www.cbp.gov/about/labs-scientific/commercial-gaugers-and-laboratories for confirmation.
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