Carrier profile · USDOT 1290854 · MC-501983 · Updated Jul 22, 2026

Tas Environmental Services LP

187 power unitsavg 8.6 yrMulti-region · 11 statesIRVING, TX81/100
CARRIER ACTIVEMC-501983 ACTIVERATED SATISFACTORYHAZMAT
Verified linkstaslp.comFMCSA SAFER

Safety

Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 26.9%24-mo cumulative
050%nat'l 22.26%
Driver OOS 1.6%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 171 vehicle and 189 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

27.5% · latest 6-mo window▼ Falling

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending down 2.9 pts across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

177 inspections in the charted months · busiest month Mar '25 · 13

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Expected band
Under-inspected
Expected
Well-monitored
Heavily inspected
≈0.5 / unit·yr
thin signalabundant signal
Roadside-inspection volume is about what you'd expect for a 187-unit fleet — enough signal to read the safety record, though not a heavy sample.
Registered power units
187
Inspections · 24 mo
189
Annualized
≈95 / yr
Coverage
≈0.5 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

14%
Unsafe Driving
Vektor peer est.
26%
Hours-of-Service
Vektor peer est.
16%
Driver Fitness
Vektor peer est.
Controlled Substances
0violations
clean · per-BASIC
66%
Vehicle Maintenance
Vektor peer est.

Percentile = standing among same-exposure peers (higher = worse). FMCSA publishes percentiles for only some carriers (shown official); elsewhere we show a Vektor peer-percentile estimate, or the absolute SMS measure when there are too few inspections to rank.

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

  • 393.9 Inoperative required lampsVehicle Maintenance70 · 6 OOS
  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving46 · 0 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance43 · 33 OOS
  • 393.47 Brake actuators / linings / componentsVehicle Maintenance30 · 2 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance20 · 14 OOS
  • 393.53 Automatic brake adjusters / indicatorsVehicle Maintenance20 · 0 OOS
  • 393.11 Required lamps/reflectors missingVehicle Maintenance19 · 1 OOS
  • 393.45 Brake tubing / hose defectsVehicle Maintenance18 · 5 OOS
  • 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance17 · 0 OOS
  • 396.17 Periodic (annual) inspectionVehicle Maintenance16 · 0 OOS

ELD & hours-of-service

28 hours-of-service / ELD violations on record · most recent May 28, 2026. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

12ELD device issues
5No log / no ELD
0False logs
1Drove over hours

Trending worse — 83% of ELD violations are in the last 24 months.

Crash history· 35 total · 8 in 24 mo

35
Total crashes
8
In last 24 mo
1
Fatal
15
Injury
YearCrashesFatalInjuryTow
20261011
20256136
20243003
20228058
20213013
20201001
20193013
20183023
20171010
20161001
20132002
20092012
20051001
DateStateFatalitiesInjuriesTow-away
May 6, 2026AR01Yes
Sep 25, 2025TX01Yes
Aug 13, 2025TX01Yes
Jul 11, 2025TX00Yes
Jun 16, 2025AL10Yes
Apr 30, 2025AR01Yes
Jan 16, 2025TX00Yes
Sep 10, 2024TX00Yes
Jul 9, 2024TX00Yes
May 1, 2024TX00Yes
Oct 26, 2022TX00Yes
Oct 12, 2022TX00Yes
Oct 7, 2022LA05Yes
Jul 29, 2022AR01Yes
May 10, 2022TX00Yes
Apr 27, 2022TX01Yes
Mar 22, 2022TX03Yes
Mar 15, 2022LA01Yes
Oct 5, 2021LA01Yes
Sep 27, 2021MS00Yes
Jul 13, 2021TX00Yes
Sep 4, 2020TX00Yes
Oct 2, 2019TX00Yes
Jun 29, 2019LA01Yes
May 8, 2019TX00Yes