Caltrans SIAD - Lab Information for LOR Geotechnical Group, Incorporated

Lab details for LOR Geotechnical Group, Incorporated

Basic Information

Lab Name	LOR Geotechnical Group, Incorporated
Manager Name	Nathan Johnson
Lab Email	laboratory@lorgeo.com
Lab Telephone	951-653-1760
Lab Fax	951-653-1741
Lab Full Address	6121 Quail Valley Court, Riverside, CA 92507
Zip	92507
Lab Type	Private
District	8
Mobile Lab Full Address	, ,

Download TL-0113

RSP Information

RSP Shipping Address: 6121 Quail Valley Court, Riverside, CA 92507

Test Methods

California Test (CT) Accreditations

Total 49 items.

Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Technician Certified?	Comments
CT 125 ADMIX: Sampling - ADMIXTURE	2025-02-14	2026-02-14	Expired	Babak Rezaei	No	(not set)
CT 125 AGG: Sampling - AGGREGATES	2025-02-14	2026-02-14	Expired	Babak Rezaei	Yes	(not set)
CT 125 BIT: Sampling - BITUMINOUS	2025-02-14	2026-02-14	Expired	Babak Rezaei	No	(not set)
CT 125 CEM: Sampling - CEM	2025-02-14	2026-02-14	Expired	Babak Rezaei	No	(not set)
CT 125 HMA: Sampling - HMA	2025-02-14	2026-02-14	Expired	Babak Rezaei	Yes	(not set)
CT 205: Percent Crushed Particles (JTCP)	2025-02-14	2026-02-14	Expired	Babak Rezaei	Yes	(not set)
CT 523.2 Section B.3: Flexural Strength (Lab Test)	2025-02-14	2026-02-14	Expired	Babak Rezaei	No	(not set)
CT 543: Air Content of PCC - Volumetric Method (JTCP)	2025-02-14	2026-02-14	Expired	Babak Rezaei	No	(not set)
CT 105: Calculations - Gradings	2026-07-23	2027-07-23	Active	Alfredo Flores	No
CT 106: Definitions - Specific Gravity (SpG)	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 125 GEN: Sampling - GENERAL	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
CT 201: Sample Preparation - Soil and Aggregates (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
CT 203: Test for Mechanical Analysis of Soils	2026-07-23	2027-07-23	Active	Alfredo Flores	No
CT 204: LL, PL, PI	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 206: SpG & Absorption - Coarse Aggregates	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 207: SpG & Absorption - Fine Aggregates	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 208: Apparent SpG - Fine Aggregates	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 209: SpG for Soil	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 211: LA Rattler	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 212: Unit Weight of Aggregates	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 214: Sodium Sulfate Soundness	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 216: Relative Compaction - Soils and Aggregates (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
CT 217: Sand Equivalent (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
CT 226: Moisture Content - Soils and Aggregates (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
CT 227: Cleanness Value (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
CT 229: Durability (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
CT 231: Relative Compaction - Nuclear Gage	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
CT 234: Uncompacted void - Fine Aggregates	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 235: Flat and Elongated Particles	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 301: "R" Value	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 304: Sample Preparation - HMA	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 308: Bulk SpG and Density - HMA	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 309: Max SpG and Density - HMA	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 366: Stabilometer	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 375: AC Density by Nuclear Gage	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
CT 382: AC Content by Ignition Oven	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 504: Air Content of PCC - Pressure Method (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 518: Unit Weight - PCC (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 521.2: Compressive Strength - PCC (ASTM C39 / C1231)	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 521.1: Compressive Strength - PCC (ASTM C39 / C617)	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 524: Flexural Strength of Rapid Strength - PCC	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 529: Proportions in PCC - Coarse Aggregates	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 533: Ball Penetration - PCC	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 539: Sampling Fresh Concrete (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 540: Making Cylinders - PCC (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 556: Slump - PCC (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)
CT 557: Temperature - PCC (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	No	(not set)

AASHTO/ASTM Proficiencies

Total 15 items.

Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Technician Certified?	Comments
AASHTO T248: Reducing Samples of Agg. (JTCP)	2025-02-14	2026-02-14	Expired	Babak Rezaei	No	(not set)
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
AASHTO T30: Mechanical Analysis of Extracted Aggregate	2026-07-23	2027-07-23	Active	Alfredo Flores	No
AASHTO R47: Reducing Samples of HMA (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
AASHTO R76: Reducing Samples of Agg (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
AASHTO T176: Sand Equivalent (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
AASHTO T209: Max SpG and Density - HMA (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
AASHTO T255: Evaporable Moisture Content (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
AASHTO T269: Percent Air Voids - HMA (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
AASHTO T275: Bulk SpG - HMA (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)
AASHTO T335: Percentage of Fracture (JTCP)	2026-07-23	2027-07-23	Active	Alfredo Flores	Yes	(not set)

Technicians in the Lab

Technician Summary

Total 9 items.

First Name	Last Name	Actions
John	Muir	View
Tony	Guillen	View
Fred	Jimenez	View
Brian	Marano	View
Said Abdul	Wase Wasiq	View
Jianguo	Yang	View
Austin	Smith	View
Simon	Tardie	View
Nathan	Johnson	View

Technician Details

Details for John Muir

First Name	John
Last Name	Muir
Status	Active

Total 19 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES (JTCP)	2019-07-16	2022-07-16	Expired	Seree Yenjai	Yes
CT 125 AGG: Sampling - AGGREGATES	2025-03-26	2027-03-26	Active	Babak Rezaei	Yes
CT 125 CEM: Sampling - CEM	2017-08-09	2018-08-09	Expired	Seree Yenjai	Yes
CT 125 GEN: Sampling - GENERAL	2025-03-26	2027-03-26	Active	Babak Rezaei	Yes
CT 125 HMA: Sampling - HMA (JTCP)	2019-07-16	2022-07-16	Expired	Seree Yenjai	Yes
CT 125 HMA: Sampling - HMA	2025-03-26	2027-03-26	Active	Babak Rezaei	Yes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)	2016-04-14	2018-04-14	Expired	Seree Yenjai	Yes
CT 231: Relative Compaction - Nuclear Gage	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 375: AC Density by Nuclear Gage	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 504: Air Content of PCC - Pressure Method (JTCP)	2017-07-15	2022-07-15	Expired	Biplab Bhattacharya	Yes
CT 518: Unit Weight - PCC (JTCP)	2017-07-15	2022-07-15	Expired	Biplab Bhattacharya	Yes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)	2016-04-14	2018-04-14	Expired	Seree Yenjai	Yes
CT 523.2 Section B.3: Flexural Strength (Lab Test)	2016-04-14	2018-04-14	Expired	Seree Yenjai	Yes
CT 533: Ball Penetration - PCC	2016-04-14	2018-04-14	Expired	Seree Yenjai	Yes
CT 539: Sampling Fresh Concrete (JTCP)	2017-07-15	2022-07-15	Expired	Biplab Bhattacharya	Yes
CT 540: Making Cylinders - PCC (JTCP)	2017-07-15	2022-07-15	Expired	Biplab Bhattacharya	Yes
CT 543: Air Content of PCC - Volumetric Method (JTCP)	2017-07-15	2022-07-15	Expired	Biplab Bhattacharya	Yes
CT 556: Slump - PCC (JTCP)	2017-07-15	2022-07-15	Expired	Biplab Bhattacharya	Yes
CT 557: Temperature - PCC (JTCP)	2017-07-15	2022-07-15	Expired	Biplab Bhattacharya	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Tony Guillen

First Name	Tony
Last Name	Guillen
Status	Active

Total 19 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES (JTCP)	2017-06-20	2020-06-20	Expired	Seree Yenjai	Yes
CT 125 AGG: Sampling - AGGREGATES	2025-03-26	2027-03-26	Active	Babak Rezaei	Yes
CT 125 CEM: Sampling - CEM	2018-06-20	2020-06-20	Expired	Seree Yenjai	Yes
CT 125 GEN: Sampling - GENERAL	2025-03-26	2027-03-26	Active	Babak Rezaei	Yes
CT 125 HMA: Sampling - HMA (JTCP)	2017-06-20	2020-06-20	Expired	Seree Yenjai	Yes
CT 125 HMA: Sampling - HMA	2025-03-26	2027-03-26	Active	Babak Rezaei	Yes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)	2016-04-14	2017-04-14	Expired	Seree Yenjai	Yes
CT 231: Relative Compaction - Nuclear Gage	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 375: AC Density by Nuclear Gage	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 504: Air Content of PCC - Pressure Method (JTCP)	2015-09-19	2020-09-19	Expired	Richard Hibbard	Yes
CT 518: Unit Weight - PCC (JTCP)	2015-09-19	2020-09-19	Expired	Richard Hibbard	Yes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)	2016-04-14	2017-04-14	Expired	Seree Yenjai	Yes
CT 523.2 Section B.3: Flexural Strength (Lab Test)	2016-04-14	2017-04-14	Expired	Seree Yenjai	Yes
CT 533: Ball Penetration - PCC	2016-04-14	2017-04-14	Expired	Seree Yenjai	Yes
CT 539: Sampling Fresh Concrete (JTCP)	2015-09-19	2020-09-19	Expired	Richard Hibbard	Yes
CT 540: Making Cylinders - PCC (JTCP)	2015-09-19	2020-09-19	Expired	Richard Hibbard	Yes
CT 543: Air Content of PCC - Volumetric Method (JTCP)	2015-09-19	2020-09-19	Expired	Richard Hibbard	Yes
CT 556: Slump - PCC (JTCP)	2015-09-19	2020-09-19	Expired	Richard Hibbard	Yes
CT 557: Temperature - PCC (JTCP)	2015-09-19	2020-09-19	Expired	Richard Hibbard	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Fred Jimenez

First Name	Fred
Last Name	Jimenez
Status	Active

Total 19 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES (JTCP)	2019-07-16	2022-07-16	Inactive	Shaya Meisamifard	Yes
CT 125 AGG: Sampling - AGGREGATES	2024-07-03	2026-07-03	Expired	Rabiul Hyder	Yes
CT 125 CEM: Sampling - CEM	2018-08-09	2019-08-09	Expired	Seree Yenjai	Yes
CT 125 GEN: Sampling - GENERAL	2024-07-03	2026-07-03	Expired	Rabiul Hyder	Yes
CT 125 HMA: Sampling - HMA (JTCP)	2019-07-16	2022-07-16	Inactive	Shaya Meisamifard	Yes
CT 125 HMA: Sampling - HMA	2024-07-03	2026-07-03	Expired	Rabiul Hyder	Yes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)	2016-04-14	2017-04-14	Expired	Seree Yenjai	Yes
CT 231: Relative Compaction - Nuclear Gage	2025-04-28	2027-04-28	Active	Babak Rezaei	Yes
CT 375: AC Density by Nuclear Gage	2025-04-28	2027-04-28	Active	Babak Rezaei	Yes
CT 504: Air Content of PCC - Pressure Method (JTCP)	2019-07-13	2024-07-13	Expired	Sarbjit Grewal	Yes
CT 518: Unit Weight - PCC (JTCP)	2019-07-13	2024-07-13	Expired	Sarbjit Grewal	Yes
CT 523.1 Section B.1 & B.2: Flexural Strength (Field Fabrication) (JTCP)	2016-04-14	2017-04-14	Expired	Seree Yenjai	Yes
CT 523.2 Section B.3: Flexural Strength (Lab Test)	2016-04-14	2017-04-14	Expired	Seree Yenjai	Yes
CT 533: Ball Penetration - PCC	2016-04-14	2017-04-14	Expired	Seree Yenjai	Yes
CT 539: Sampling Fresh Concrete (JTCP)	2019-07-13	2024-07-13	Expired	Sarbjit Grewal	Yes
CT 540: Making Cylinders - PCC (JTCP)	2019-07-13	2024-07-13	Expired	Sarbjit Grewal	Yes
CT 543: Air Content of PCC - Volumetric Method (JTCP)	2019-07-13	2024-07-13	Expired	Sarbjit Grewal	Yes
CT 556: Slump - PCC (JTCP)	2019-07-13	2024-07-13	Expired	Sarbjit Grewal	Yes
CT 557: Temperature - PCC (JTCP)	2019-07-13	2024-07-13	Expired	Sarbjit Grewal	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Brian Marano

First Name	Brian
Last Name	Marano
Status	Active

Total 12 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES (JTCP)	2019-07-16	2022-07-16	Expired	Seree Yenjai	Yes
CT 125 GEN: Sampling - GENERAL	2019-07-16	2021-07-16	Expired	Seree Yenjai	Yes
CT 125 HMA: Sampling - HMA (JTCP)	2019-07-16	2020-07-16	Expired	Seree Yenjai	Yes
CT 231: Relative Compaction - Nuclear Gage	2019-07-16	2021-07-16	Expired	Seree Yenjai	Yes
CT 375: AC Density by Nuclear Gage	2019-07-16	2020-07-16	Expired	Seree Yenjai	Yes
CT 504: Air Content of PCC - Pressure Method (JTCP)	2018-03-17	2023-03-17	Expired	Biplab Bhattacharya	Yes
CT 518: Unit Weight - PCC (JTCP)	2018-03-17	2023-03-17	Expired	Biplab Bhattacharya	Yes
CT 539: Sampling Fresh Concrete (JTCP)	2018-03-17	2023-03-17	Expired	Biplab Bhattacharya	Yes
CT 540: Making Cylinders - PCC (JTCP)	2018-03-17	2023-03-17	Expired	Biplab Bhattacharya	Yes
CT 543: Air Content of PCC - Volumetric Method (JTCP)	2018-03-17	2023-03-17	Expired	Biplab Bhattacharya	Yes
CT 556: Slump - PCC (JTCP)	2018-03-17	2023-03-17	Expired	Biplab Bhattacharya	Yes
CT 557: Temperature - PCC (JTCP)	2018-03-17	2023-03-17	Expired	Biplab Bhattacharya	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Said Abdul Wase Wasiq

First Name	Said Abdul
Last Name	Wase Wasiq
Status	Active

Total 5 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES	2023-02-17	2026-02-17	Expired	Alexis England	Yes
CT 125 GEN: Sampling - GENERAL	2023-02-17	2026-02-17	Expired	Alexis England	Yes
CT 125 HMA: Sampling - HMA	2023-02-17	2026-02-17	Expired	Alexis England	Yes
CT 231: Relative Compaction - Nuclear Gage	2023-02-17	2024-02-17	Expired	Alexis England	Yes
CT 375: AC Density by Nuclear Gage	2023-02-17	2024-02-17	Expired	Alexis England	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Jianguo Yang

First Name	Jianguo
Last Name	Yang
Status	Active

Total 5 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 125 GEN: Sampling - GENERAL	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 125 HMA: Sampling - HMA	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 231: Relative Compaction - Nuclear Gage	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 375: AC Density by Nuclear Gage	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Austin Smith

First Name	Austin
Last Name	Smith
Status	Active

Total 5 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 125 GEN: Sampling - GENERAL	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 125 HMA: Sampling - HMA	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 231: Relative Compaction - Nuclear Gage	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 375: AC Density by Nuclear Gage	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Simon Tardie

First Name	Simon
Last Name	Tardie
Status	Active

Total 5 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 125 AGG: Sampling - AGGREGATES	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 125 GEN: Sampling - GENERAL	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 125 HMA: Sampling - HMA	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 231: Relative Compaction - Nuclear Gage	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes
CT 375: AC Density by Nuclear Gage	2025-04-28	2026-04-28	Expired	Babak Rezaei	Yes

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
No results found.

Details for Nathan Johnson

First Name	Nathan
Last Name	Johnson
Status	Active

Total 12 items.

Certified California Tests(CT)
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
CT 105: Calculations - Gradings (JTCP)	2025-10-24	2028-10-24	Active	Wei Geng	Yes
CT 125 AGG: Sampling - AGGREGATES (JTCP)	2025-10-24	2028-10-24	Inactive	Firooz Ahmad Hosainy	Yes
CT 125 HMA: Sampling - HMA (JTCP)	2026-01-30	2029-01-30	Active	Firooz Ahmad Hosainy	Yes
CT 201: Sample Preparation - Soil and Aggregates (JTCP)	2025-10-24	2028-10-24	Active	Wei Geng	Yes
CT 202: Sieve analysis - Fine and Coarse Aggregates (JTCP)	2025-10-24	2028-10-24	Active	Wei Geng	Yes
CT 205: Percent Crushed Particles (JTCP)	2025-10-24	2028-10-24	Active	Wei Geng	Yes
CT 216: Relative Compaction - Soils and Aggregates (JTCP)	2025-10-24	2028-10-24	Active	Wei Geng	Yes
CT 217: Sand Equivalent (JTCP)	2025-10-24	2028-10-24	Active	Wei Geng	Yes
CT 226: Moisture Content - Soils and Aggregates (JTCP)	2025-10-24	2028-10-24	Active	Wei Geng	Yes
CT 227: Cleanness Value (JTCP)	2025-10-24	2028-10-24	Active	Wei Geng	Yes
CT 229: Durability (JTCP)	2025-10-24	2028-10-24	Active	Wei Geng	Yes
CT 306: Reducing Samples of Asphalt Mixtures (JTCP)	2026-01-30	2029-01-30	Active	Firooz Ahmad Hosainy	No

Total 14 items.

AASHTO/ASTM Proficiencies
Test Method	Obtained Date	Expiration Date	Status	IA Responsible	Within Lab Scope?
AASHTO T11: Sieve Analysis (Washing) - Fine Aggregates (JTCP)	2026-01-30	2029-01-30	Active	Firooz Ahmad Hosainy	Yes
AASHTO T27: Sieve Analysis - Fine and Coarse Aggregates (JTCP)	2026-01-30	2029-01-30	Active	Firooz Ahmad Hosainy	Yes
AASHTO T30: Mechanical Analysis of Extracted Aggregate (JTCP)	2026-01-30	2029-01-30	Active	Firooz Ahmad Hosainy	No
AASHTO R47: Reducing Samples of HMA (JTCP)	2026-01-30	2029-01-30	Active	Firooz Ahmad Hosainy	Yes
AASHTO R76: Reducing Samples of Agg (JTCP)	2026-01-30	2029-01-30	Active	Firooz Ahmad Hosainy	Yes
AASHTO T166: Bulk SpG of Compacted HMA - SSD (JTCP)	2026-03-05	2029-03-05	Active	Gabriela Lopez	Yes
AASHTO T176: Sand Equivalent (JTCP)	2026-01-30	2029-01-30	Active	Firooz Ahmad Hosainy	Yes
AASHTO T209: Max SpG and Density - HMA (JTCP)	2026-03-05	2029-03-05	Active	Gabriela Lopez	Yes
AASHTO T255: Evaporable Moisture Content (JTCP)	2026-01-30	2029-01-30	Active	Firooz Ahmad Hosainy	Yes
AASHTO T269: Percent Air Voids - HMA (JTCP)	2026-03-05	2029-03-05	Active	Gabriela Lopez	Yes
AASHTO T275: Bulk SpG - HMA (JTCP)	2026-03-05	2029-03-05	Active	Gabriela Lopez	Yes
AASHTO T308: AC Content (Ignition Oven) - HMA (JTCP)	2026-03-05	2029-03-05	Active	Gabriela Lopez	Yes
AASHTO T329: Moisture Content (Oven Method) - HMA (JTCP)	2026-01-30	2029-01-30	Active	Firooz Ahmad Hosainy	Yes
AASHTO T335: Percentage of Fracture (JTCP)	2026-01-30	2029-01-30	Active	Firooz Ahmad Hosainy	Yes

For concerns with missing or erroneous data, please contact your Independent Assurance personnel