Technician Information for Robert Nixa

First NameRobert
Last NameNixa
Technician ID01105

Associated Labs

Lab NameLab Lab Manager NameFull AddressLab Lab DistrictPage Alias
No results found.

Test Methods

California Test (CT) Certifications

Total 40 items.
Test MethodExpiration DateStatusIA ResponsibleWithin Lab(s) ScopeComments
CT 105 Calculations - Gradings (JTCP - HMA I / S&A)2020-01-29ExpiredNatalie Rivinius(No lab)(No comments)
CT 106 Definitions - Specific Gravity (SpG) 2021-12-06ExpiredNatalie Rivinius(No lab)(No comments)
CT 125 AGG Sampling - AGGREGATES 2025-12-13ActivePhillip Asher(No lab)(No comments)
CT 125 AGG Sampling - AGGREGATES (JTCP - HMA I / S&A)2022-12-06ExpiredNatalie Rivinius(No lab)(No comments)
CT 125 BIT Sampling - BITUMINOUS 2025-01-04ActiveAlexis England(No lab)(No comments)
CT 125 CEM Sampling - CEM 2025-01-04ActiveAlexis England(No lab)(No comments)
CT 125 GEN Sampling - GENERAL 2025-01-04ActiveAlexis England(No lab)(No comments)
CT 125 HMA Sampling - HMA 2025-12-13ActivePhillip Asher(No lab)(No comments)
CT 125 HMA Sampling - HMA (JTCP - HMA I)2022-12-06ExpiredNatalie Rivinius(No lab)(No comments)
CT 201 Sample Preparation - Soil and Aggregates (JTCP - S&A)2020-01-29ExpiredNatalie Rivinius(No lab)(No comments)
CT 202 Sieve analysis - Fine and Coarse Aggregates (JTCP - S&A)2020-01-29ExpiredNatalie Rivinius(No lab)(No comments)
CT 204 LL, PL, PI 2024-02-02ExpiredHusam Makhoul(No lab)(No comments)
CT 205 Percent Crushed Particles (JTCP - S&A)2020-01-29ExpiredNatalie Rivinius(No lab)(No comments)
CT 206 SpG & Absorption - Coarse Aggregates 2024-02-02ExpiredHusam Makhoul(No lab)(No comments)
CT 207 SpG & Absorption - Fine Aggregates 2024-02-02ExpiredHusam Makhoul(No lab)(No comments)
CT 209 SpG for Soil 2024-02-02ExpiredHusam Makhoul(No lab)(No comments)
CT 216 Relative Compaction - Soils and Aggregates (JTCP - S&A)2020-01-29ExpiredNatalie Rivinius(No lab)(No comments)
CT 217 Sand Equivalent (JTCP - S&A)2020-01-29ExpiredNatalie Rivinius(No lab)(No comments)
CT 226 Moisture Content - Soils and Aggregates (JTCP - S&A)2020-01-29ExpiredNatalie Rivinius(No lab)(No comments)
CT 227 Cleanness Value (JTCP - S&A)2020-01-29ExpiredNatalie Rivinius(No lab)(No comments)
CT 229 Durability (JTCP - S&A)2020-01-29ExpiredNatalie Rivinius(No lab)(No comments)
CT 231 Relative Compaction - Nuclear Gage 2024-01-04ExpiredHusam Makhoul(No lab)(No comments)
CT 306 Reducing Samples of Asphalt Mixtures (JTCP - HMA I)2024-02-24ExpiredLoren Lee(No lab)(No comments)
CT 308 Bulk SpG and Density - HMA 2021-12-06ExpiredNatalie Rivinius(No lab)(No comments)
CT 309 Max SpG and Density - HMA 2021-12-06ExpiredNatalie Rivinius(No lab)(No comments)
CT 370 Moisture Content by Microwave 2021-12-06ExpiredNatalie Rivinius(No lab)(No comments)
CT 375 AC Density by Nuclear Gage 2024-01-04ExpiredHusam Makhoul(No lab)(No comments)
CT 504 Air Content of PCC - Pressure Method (JTCP - PCC)2026-06-18ActiveSarbjit Grewal(No lab)(No comments)
CT 518 Unit Weight - PCC (JTCP - PCC)2026-06-18ActiveSarbjit Grewal(No lab)(No comments)
CT 521.1 Compressive Strength - PCC (ASTM C39 / C617) 2024-02-02ExpiredDan Curran(No lab) Created based on CT521 certificate ID16767
CT 521.2 Compressive Strength - PCC (ASTM C39 / C1231) 2024-02-02ExpiredDan Curran(No lab)
Created based on CT521 certificate ID16767
CT 523.1 Section B.1 & B.2 Flexural Strength (Field Fabrication) (JTCP - PCC)2026-06-18ActiveSarbjit Grewal(No lab)(No comments)
CT 523.2 Section B.3 Flexural Strength (Lab Test) 2021-12-06ExpiredNatalie Rivinius(No lab)(No comments)
CT 524 Flexural Strength of Rapid Strength - PCC 2024-02-02ExpiredHusam Makhoul(No lab)(No comments)
CT 533 Ball Penetration - PCC 2024-02-02ExpiredHusam Makhoul(No lab)(No comments)
CT 539 Sampling Fresh Concrete (JTCP - PCC)2026-06-18ActiveSarbjit Grewal(No lab)(No comments)
CT 540 Making Cylinders - PCC (JTCP - PCC)2026-06-18ActiveSarbjit Grewal(No lab)(No comments)
CT 543 Air Content of PCC - Volumetric Method (JTCP - PCC)2026-06-18ActiveSarbjit Grewal(No lab)(No comments)
CT 556 Slump - PCC (JTCP - PCC)2026-06-18ActiveSarbjit Grewal(No lab)(No comments)
CT 557 Temperature - PCC (JTCP - PCC)2026-06-18ActiveSarbjit Grewal(No lab)(No comments)

AASHTO/ASTM Proficiencies