United States

Terracon Consultants

11555 Clay Road, Suite 100, 77043, Houston, TX, United States

A2LA 479.01A2LA 479.02ISO/IEC 17025Register refreshed 2026-11-06

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Accredited standards: 83
A2LA certificates: 2
Sites in our directory: 3

A2LA accredited scope

What this lab is accredited for

Our reading of the A2LA scope: each standard once, with its official name where we have checked it.

Search this lab’s scope for a standard or test

Only this lab. Searches the 83 standard numbers and the 0 official names we hold. When no standard matches, it searches the method text of every scope line.

ASTM83

ASTM A388

ASTM A578

ASTM C29

ASTM C31

ASTM C39

ASTM C40

ASTM C42

ASTM C78

ASTM C117

ASTM C123

ASTM C127

ASTM C128

Show all 83

ASTM C136

ASTM C138

ASTM C140

ASTM C142

ASTM C143

ASTM C172

ASTM C173

ASTM C174

ASTM C192

ASTM C231

ASTM C495

ASTM C566

ASTM C617

ASTM C702

ASTM C1019

ASTM C1064

ASTM C1077

ASTM C1140

ASTM C1231

ASTM C1314

ASTM C1552

ASTM C7801

ASTM D5

ASTM D75

ASTM D558

ASTM D588

ASTM D698

ASTM D854

ASTM D979

ASTM D1140

ASTM D1556

ASTM D1557

ASTM D1560

ASTM D1633

ASTM D1883

ASTM D2166

ASTM D2171

ASTM D2172

ASTM D2216

ASTM D2419

ASTM D2434

ASTM D2435

ASTM D2487

ASTM D2488

ASTM D2850

ASTM D2950

ASTM D2974

ASTM D3080

ASTM D3203

ASTM D3549

ASTM D3666

ASTM D3740

ASTM D4221

ASTM D4318

ASTM D4546

ASTM D4647

ASTM D4718

ASTM D4767

ASTM D5084

ASTM D6307

ASTM D6572

ASTM D6913

ASTM D7928

ASTM D69381

ASTM E164

ASTM E165

ASTM E329

ASTM E605

ASTM E709

ASTM E736

ASTM E797

Read from the A2LA scope documents we downloaded on 2026-10-27. Register refreshed 2026-11-06.

Scope as published by A2LA

8 lines

A2LA

ISO/IEC 17025

Active

479.01

The scope document we hold says it was valid until 2026-10-31. That date has passed, so our copy may be out of date. We downloaded it from the A2LA register on 2026-10-27. Check the A2LA register for the current scope.

View scope

Accredited scope, certificate 479.01

Line	Method	Matrix	Range
1	ASTM C1077; ASTM D3666; ASTM D3740; ASTM E329; ASTM C29/C29M; ASTM C40/C40M; ASTM C117; ASTM C123/C123M; ASTM C127; ASTM C128; ASTM C136; ASTM C142/C142M; ASTM C566; ASTM C702/C702M; ASTM D75/D75M1; ASTM D2419	Concrete; Concrete Aggregates; Road and Paving Materials; Soil; Rock; Aggregates; Fine Aggregates; Coarse Aggregate; Fine Aggregate; Soils	-
2	ASTM D5/D5M; ASTM D75/D75M1; ASTM D979/D979M1; ASTM D1560; ASTM D2171/D2171M; ASTM D2172/D2172M; ASTM D2950/D2950M1; ASTM D3203/D3203M; ASTM D3549/D3549M1; ASTM D6307; Tex-200-F; Tex-203-F; Tex-206-F; Tex-207-F; Tex-208-F; Tex-222-F1; Tex-227-F; Tex-236-F; Tex-241F; ASTM C31/C31M1; ASTM C39/C39M; ASTM C42/C42M; ASTM C78/ C78M; ASTM C138/C138M1; ASTM C143/C143M1; ASTM C172/C172M1; ASTM C173/D173M1; ASTM C174/C174M; ASTM C192/C192M; ASTM C231/C231M1; ASTM C495/C495M; ASTM C617/C617M; ASTM C1064/C1064M1; ASTM C1140/C1140M	Bituminous materials; Aggregates; Bituminous paving mixtures; Asphalts; Asphalt binder; Bituminous concrete; Compacted dense and open bituminous paving mixtures; Concrete; Hydraulic-cement concrete; Lightweight insulating concrete; Shotcrete	-
3	ASTM C1231/C1231M; ASTM E605/E605M1; ASTM E736/E736M1; ASTM C140; ASTM C7801 (Annex 6 Only); ASTM C1019; ASTM C1314; ASTM C1552/C1552M; ASTM D558/D558M; ASTM D698; ASTM D1140; ASTM D1556/D1556M1; ASTM D1557; ASTM D1633; ASTM D2216; ASTM D4318; ASTM D4718/D4718M; ASTM D69381; Tex-101-E (Part III); Tex-113-E; Tex-114-E; AWS D1.1; ASME Section V (Articles 4 & 5); ASTM A388; ASTM A578; ASTM E164; ASTM E797; ASTM E709; ASME Section V (Article 7)	Concrete; Fireproofing; Masonry; Mortars; Grout; Soil-Cement Mixtures; Soil; Soil-Aggregate; Base Materials; Subgrade; Embankment Soils; Backfill Material; Steel	-
4	ASTM E165; ASME Section V (Article 6); AWS D1.1 (Clause 6 Inspection); AWS D1.3 (Clause 6 Inspection); AWS D1.4 (Clause 6 Inspection); AWS D1.5 (Clause 6 Inspection); ASME Section V (Article 9); ANSI B31.1 (Chapter VI); AISC Section 16.1 N5.6 / RCSC, Section 9 Inspection	-	-
5	ISO/IEC 17025:2017	-	-

Ranges are reproduced from the accredited scope document as published, and only where we found that range printed in the document for the line. Otherwise the cell reads “See scope document”. An absent range means the register did not state one. Line numbers are ours, for cross-reference; they follow the order of the scope document.

A2LA

ISO/IEC 17025

Active

479.02

View scope

Accredited scope, certificate 479.02

Line	Method	Matrix	Range
1	ASTM D588; ASTM D698; ASTM D854; ASTM D1140; ASTM D1557; ASTM D1883; ASTM D2166; ASTM D2216; ASTM D2434; ASTM D2435/D2435M; ASTM D2487; ASTM D2488; ASTM D2850; ASTM D2974; ASTM D3080/D3080M; ASTM D4221; ASTM D4318; ASTM D4546; ASTM D4647	Soil-Cement Mixture; Soil; Rock; Peat and Other Organic Soils; Granular Soils; Cohesive Soil; Clay Soil	-
2	ASTM D4767; ASTM D5084; ASTM D6572; ASTM D6913/6913M; ASTM D7928; TEX 129E	Cohesive Soils; Clay Soils; Fine-Grained Soils; Soils	-
3	ISO/IEC 17025:2017	-	-