citations per 100 inspection hours
ⓘThis rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 788 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Imminent-danger orders
ⓘA Section 107(a) order removes miners from an area when an inspector finds an imminent danger. Each order is lifted once the condition is corrected, so this counts orders issued, not orders now in effect.
1
Section 107(a) orders
Most recent order: 2016-10-25.
On record since 2016.
Source: MSHA imminent-danger order records, updated weekly.
Agregados 24 has $85K in proposed MSHA penalties and $46K outstanding across 10 contested dockets.
Penalty disposition
ⓘDifferences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$85K
proposed penalties
$82K
current assessed
$36K
paid to date
$46K
outstanding
186 assessments are final orders; 10 contested dockets.
Of $10K in penalties contested before the Commission, $7K was upheld in final decisions.
As of the most recent assessment on 2017-04-06.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
ⓘShares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
Source: MSHA violations gravity and negligence coding, updated weekly.
When citations were contested
ⓘContesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
33citations taken to the federal commission · 16% of citations on record
Settled
30 · 91%
Vacated or withdrawn
3 · 9%
89%
S&S designation survived the contest
ⓘCounts a Significant & Substantial citation as surviving when a settlement or judge's decision kept the designation, or the contest was dismissed or defaulted so the citation stands as issued. Vacated and withdrawn citations, and settlements that removed the designation, count against.
of 9 decided S&S contests · industry: 79%
35%
Penalty reduction in decided contests
$10K proposed, $7K after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2017-07-11.
Contested penalties
ⓘA reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.
Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
Health sampling
ⓘA sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.
Metal and nonmetal contaminants (personal samples)
ⓘMany samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.
Last sampled: 2005-03-30, 21 years ago
0%
of limit-tested samples over the exposure limit
5
samples
4
limit-tested
Most sampled contaminants
Quartz, respirable, >1% Qtz3
Nuisance dust, respirable, <1% Qtz1
Respirable dust, <.1mg1
Show the individual readings (5)
Date
Contaminant
Concentration
Limit
Conc / limit
Occupation
2005-03-30
Quartz, respirable, >1% Qtz
0.24
2.23
0.11
Cleanup Man
2005-03-30
Nuisance dust, respirable, <1% Qtz
0.37
10
0.04
Crusher Oper/Worker
2002-06-07
Quartz, respirable, >1% Qtz
0.12
1.25
0.10
Cleanup Man
2002-06-07
Respirable dust, <.1mg
0
Cleanup Man
2000-08-15
Quartz, respirable, >1% Qtz
0.18
0.98
0.18
Diamond Drill Operator
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
Agregados 24 recorded 0.00 reportable injury cases per 100 full-time workers in 2007.
Injury rate, 2007
ⓘThis rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.
0.00
total case rate
0.00
days-away rate
0.000
fatality rate
Below average. The US metal and nonmetal mining average was 3.30 and the all-US-mining average was 3.77 cases per 100 workers.
In Puerto Rico, metal and nonmetal mining averaged 3.41 cases per 100 workers that year.
Under 100,000 employee-hours were reported that year, so a single case moves the rate by two or more. Read the figure as approximate.
Year
total case rate
days-away
fatal
2007 *
0.00
0.00
0.000
2005 *
3.15
3.15
0.000
2004 *
0.00
0.00
0.000
2003 *
0.00
0.00
0.000
2002 *
7.60
7.60
0.000
* Fewer than 100,000 employee-hours that year; the rate is less stable.
Source: injury cases from MSHA accident and injury records; employee-hours from MSHA quarterly employment reports. Rate is cases per 100 full-time-equivalent workers, operator employees only.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2017
8
2016
7
2015
7
2014
9
2013
7
2012
10
2011
9
2010
10
2008
0
2007
13
2006
25
2005
25
2004
21
2003
25
2002
24
2001
24
2000
20
Source: MSHA quarterly employment and production, updated weekly.
Agregados 24 sits in Bayamón Municipio, Puerto Rico, where the Census mining category is 0.0% of county employment.
Local economic context
ⓘCounty figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Bayamón Municipio, Puerto Rico · Population 183,456
0.0%
Mining share of county employment
$30,729
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
Quarterly safety rates
ⓘCitations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2017 Q2
4,119
3
0
728.3
2017 Q1
4,288
0
0
0.0
2016 Q4
5,112
6
1
1173.7
2016 Q3
3,002
0
0
0.0
2016 Q2
3,257
1
0
307.0
2016 Q1
3,321
0
0
0.0
2015 Q4
2,968
0
0
0.0
2015 Q3
3,504
1
1
285.4
Show 49 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2015 Q2
3,472
0
0
0.0
2015 Q1
3,047
4
1
1312.8
2014 Q4
2,845
0
0
0.0
2014 Q3
3,158
0
0
0.0
2014 Q2
4,666
2
1
428.6
2014 Q1
4,745
0
0
0.0
2013 Q4
5,212
0
0
0.0
2013 Q3
44
0
0
0.0
2013 Q2
1,034
0
0
0.0
2013 Q1
1,737
5
1
2878.5
2012 Q4
2,185
0
0
0.0
2012 Q3
3,295
6
2
1820.9
2012 Q2
3,467
0
0
0.0
2012 Q1
2,873
8
5
2784.5
2011 Q4
2,709
0
0
0.0
2011 Q3
871
4
0
4592.4
2011 Q2
1,498
17
5
11348.5
2011 Q1
2,439
3
1
1230.0
2010 Q4
3,122
2
1
640.6
2010 Q3
3,090
5
0
1618.1
2008 Q1
0
2
0
2007 Q4
1,754
4
2
2280.5
2007 Q3
5,465
0
0
0.0
2007 Q2
7,562
7
3
925.7
2007 Q1
7,285
0
0
0.0
2006 Q2
13,214
0
0
0.0
2006 Q1
15,093
0
0
0.0
2005 Q4
15,187
4
1
263.4
2005 Q3
15,633
0
0
0.0
2005 Q2
17,038
1
0
58.7
2005 Q1
15,544
7
4
450.3
2004 Q4
4,273
0
0
0.0
2004 Q3
13,987
0
0
0.0
2004 Q2
12,503
8
3
639.8
2004 Q1
12,662
0
0
0.0
2003 Q4
11,477
6
4
522.8
2003 Q3
12,932
6
3
464.0
2003 Q2
12,844
0
0
0.0
2003 Q1
11,516
0
0
0.0
2002 Q4
12,320
6
3
487.0
2002 Q3
13,345
0
0
0.0
2002 Q2
14,232
8
1
562.1
2002 Q1
12,704
3
0
236.1
2001 Q3
14,570
6
4
411.8
2001 Q2
13,713
1
0
72.9
2001 Q1
11,863
4
4
337.2
2000 Q3
12,213
9
9
736.9
2000 Q2
12,292
0
0
0.0
2000 Q1
12,473
11
7
881.9
No fatalities recorded at this mine.
Reportable incidents
7 on file
2012 · 2 incidents
May 22, 2012PR · Metal/Non-Metalbulldozer operator, universal operator, heavy equipment operator, operating engineerSLIP OR FALL OF PERSON
Operator slipped getting out of the excavator. He had a minor ankle sprain (left one). He was given first aid and taken to the hospital to verify his left foot.
January 27, 2012PR · Metal/Non-Metalfront-end loader, scraper-loader operator, pan operator, payloader, scraper rig operatorSLIP OR FALL OF PERSON
Coming down the ladder slipped striking the left side of his forehead with the ladder structure getting wounded. He was given first aid and taken to the hospital receiving seven stitches.
2011 · 1 incident
June 30, 2011PR · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorHANDLING OF MATERIALS
EE TRIPPED AND FELL ON THE GROUND. HE GOT A LACERATION ON HIS RIGHT UPPER EYELID AND A LACERATION IN HIS LEFT HAND WITH A SCREEN CLOTH THAT WAS LYING ON THE GROUND.
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