Key Takeaway

Portable is a intermittent surface mine producing SandAndGravel, located in Florence, Fremont County, CO. It has 34 violations on record (11 S&S) and $8K in proposed penalties. Operated by Langston Concrete Inc.

Portable

Intermittent Surface SandAndGravel

Operator: Langston Concrete Inc

Controller: Michael L Langston

Location: Florence, Fremont County, CO

Employees: 6

34
Violations
11
S&S Violations
0
Accidents
$8K
Penalties

Recent Violations

View all 34 →
Date Section S&S Negligence Penalty
10/21/2025 56.12004 Non-S&S ModNegligence $151
10/21/2025 56.12004 Non-S&S ModNegligence $151
04/19/2023 56.14130(g) S&S ModNegligence $346
04/19/2023 56.12032 Non-S&S ModNegligence $143
04/19/2023 56.14101(a)(3) Non-S&S ModNegligence $143
06/27/2022 56.12018 Non-S&S ModNegligence $133
06/27/2022 56.4201(a)(1) Non-S&S ModNegligence $133
03/05/2019 56.11005 Non-S&S ModNegligence $121
02/04/2019 56.11012 S&S ModNegligence $142
02/04/2019 56.14110 S&S ModNegligence $142
02/04/2019 56.11012 Non-S&S ModNegligence $121
06/22/2016 46.8(a)(1) Non-S&S ModNegligence $127
06/21/2016 56.4201(a)(2) Non-S&S LowNegligence $114
06/21/2016 56.9300(a) S&S HighNegligence $524
06/21/2016 56.20003(a) S&S ModNegligence $114
06/21/2016 56.14207 Non-S&S LowNegligence $114
06/21/2016 56.14100(b) S&S ModNegligence $157
06/21/2016 56.4101 Non-S&S LowNegligence $114
06/21/2016 56.20003(a) S&S ModNegligence $351
06/21/2016 56.4104(b) Non-S&S ModNegligence $114

Inspections

View all 22 →
Begin End Hours Inspectors
10/21/2025 10/22/2025 10.75 1
04/09/2025 04/09/2025 9.00 1
07/10/2024 07/10/2024 6.00 1
04/19/2023 04/20/2023 9.75 1
06/27/2022 06/28/2022 17.00 2
09/08/2021 09/08/2021 8.50 1
03/05/2019 03/05/2019 4.00 1
02/04/2019 02/06/2019 14.00 1
10/24/2017 10/24/2017 8.00 1
09/13/2017 09/14/2017 12.75 1

Mine Details

MSHA Mine ID0504927
Mine TypeSurface
StatusIntermittent
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees6
Days/Week5.0
Hours/Shift12.0
Coordinates38.2583330, -105.3038890
Nearest TownFlorence

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Frequently Asked Questions

How many MSHA violations does Portable have?

Portable has 34 MSHA violations on record, of which 11 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $8K.

What type of mine is Portable?

Portable is a Surface mine producing SandAndGravel, located in Florence, Fremont County, CO. It currently has 6 employees.

Has anyone been injured or killed at Portable?

According to MSHA records, Portable has 0 reported accident/injury records and 0 fatalities on file.

Who operates Portable?

Portable is operated by Langston Concrete Inc and controlled by Michael L Langston. MSHA Mine ID: 0504927.