United States
Otto Rosenau & Associates
6747 Martin Luther King Jr. Way S., 98118, Seattle, WA, United States
A2LA|823.01ISO/IEC 17025Register collected 2026-08-22
Certificates
1
Scope items
6
Locations
1
Contact this laboratory
Register record
- A2LACollected
- 823.01Active
Certificates and scope
1A2LA
ISO/IEC 17025
Active823.01
Accredited scope, certificate 823.01
| Discipline | Method | Matrix | Range |
|---|---|---|---|
| materials | ASTM C535; ASTM C566; ASTM C702; ASTM D751; ASTM D2419; AASHTO T2; AASHTO T11; AASHTO T19; AASHTO T21; AASHTO T27; AASHTO T84; AASHTO T85; AASHTO T96; AASHTO T112; AASHTO T176; AASHTO R76; AASHTO T255; ASTM D9791; ASTM D2041; ASTM D29501; ASTM D5444; ASTM D6307; AASHTO T30; AASHTO T168; AASHTO T209; AASHTO T308; ASTM C31/C31M1; ASTM C39/C39M; ASTM C42/C42M; ASTM C78/C78M1; ASTM C138/C138M1 | Aggregates | - |
| materials | ASTM C140; ASTM C780; AASHTO T106; ASTM C10191; ASTM C1314; ASTM D421; ASTM D422; ASTM D698; ASTM D854; ASTM D1140; ASTM D15561; ASTM D1557; ASTM D1633; ASTM D2216; ASTM D2419; ASTM D4318; ASTM D69381; AASHTO T89; AASHTO T90; AASHTO T99; AASHTO T100; AASHTO T180; AASHTO T1911; AASHTO T3101; WSDOT T310; AWS D1.1; AWS D1.3 | Steel | - |
| materials | ASTM C143/C143M1; ASTM C172/C172M1; ASTM C1731; ASTM C231/C231M1; ASTM C293/C293M; ASTM C495; ASTM C5671; ASTM C617; ASTM C642; ASTM C805/C805M1; ASTM C1064/C1064M1; ASTM C1140; ASTM C1231/C1231M; ASTM C1611/1611M; ASTM C1758/C1758M; ASTM D4832; ASTM E1155; AASHTO R60; AASHTO T22; AASHTO T23; AASHTO T97; AASHTO T119; AASHTO T121; AASHTO T152; AASHTO T177; AASHTO T196; AASHTO T231; AASHTO T309; ASTM E605; ASTM E7361; ASTM C109/C109M | Concrete | - |
| materials | ASTM: C1077; ASTM: C1093; ASTM: D3666; ASTM: D3740; ASTM: E329; ASTM: E543; AASHTO: R18 | Concrete | - |
| materials | - | - | - |
| ndt | AWS D1.4; AWS D1.5; AWS D1.8; AISC 360; RCSC; ASTM E114; ASTM E164; ASTM E587; ASTM E165; ASTM E709 | Steel | - |
Ranges are reproduced from the accredited scope document as published. An absent range means the register did not state one.
Location
Labs with overlapping accredited scope in United States
- Professional Service IndustriesTukwila, WA · ~17 kmA2LAShares 3 accredited methods and materialsASTM D698ConcreteSteel
- Materials Testing & ConsultingOlympia, WA · ~75 kmA2LAShares 3 accredited methods and materialsASTM D698ConcreteSteel
- Materials Testing & ConsultingBurlington, WA · ~97 kmA2LAShares 3 accredited methods and materialsASTM D698AggregatesSteel
- HTS, Inc. ConsultantsHouston, TX · ~3,040 kmA2LAShares 3 accredited methods and materialsASTM D698AggregatesConcrete
- Tolunay-Wong EngineersHouston, TX · ~3,040 kmA2LAShares 3 accredited methods and materialsASTM D698AggregatesConcrete
Accreditation data collected from the A2LA register on .
This page mirrors a public register. For a purchasing, audit or regulatory decision, confirm against the A2LA entry linked above.