US Aggregates, Inc. a Heritage Aggregates, LLC company
Delphi,
Indiana
View Accreditation Certificate
Chris
DeCarlo
2195 W US 421 North
Delphi
,
Indiana
46923
Phone: (463) 253-3023
Fax:
cdecarlo@usagg.com
http://https://www.usagg.com/locations/the-delphi-indiana-plant/
Quality Management System - accredited since 11/19/2024
R18
Soil - accredited since 12/15/2025
R58, T89, T90, T99, T180, T289, D421, D698, D1557, D4318, D4718
Aggregate - accredited since 11/19/2024
R76, R90, T11, T19, T21, T27, T84, T85, T96, T104, T112, T176, T304, C29, C40, C88, C117, C123, C127, C128, C131, C136, C142, C702, C1252, D75, D2419, D4791, D5821
Please note that our accreditations do not include an expiration date. An accreditation only expires when the laboratory fails to comply with our accreditation requirements.
* This information is only valid as of 10/27/2026. Please visit https://aashtoresource.org for current accreditation status.
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