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AGUA FRIA PIT Metal/Non-Metal

CalPortland Company · Surface

Controlled by Taiheiyo Cement Corp

Mesa, Santa Cruz County, AZ · Active

MSHA Mine ID: 0202181

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Fatalities: 0
Total incidents: 6
Years on record: 2003–2009
Latest incident: Aug 2009

Compliance record

MSHA citations since 2000

citations

significant & substantial

$12,033

proposed penalties

$11,542

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Citations	Per 1M hrs
2025 Q4	3,142	0	0.0
2025 Q1	3,011	0	0.0
2024 Q3	3,303	0	0.0
2024 Q1	3,032	2	659.6
2023 Q4	3,136	0	0.0
2023 Q3	3,616	0	0.0
2023 Q2	502	0	0.0
2023 Q1	494	0	0.0

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

Reportable incidents

6 on file

2009 · 1 incident

August 17, 2009 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS

CalPortland Company · Struck by... (Not Elsewhere Classified)

Employee was removing a roller at the wash plant. The roller slipped causing a small cut to the employee's right ring finger. About 10-15 minutes later, after the finger was cleaned and a bandaid put on the cut, the ee passed out. By the time EMTs arrived, he had gained consciousness but was taken to the hospital to be checked. He was fine except for the small cut.

2008 · 1 incident

April 1, 2008 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON

CPC Southwest Materials Inc · Fall to lower level, (Not Elsewhere Classified)

Isolated case of Employee misconduct where Employee failed to follow procedures and climbed onto the sand screw containment at the Wash Plant without the use of a ladder or a fall protection system and fell approximately 8.5 feet to the ground landing on his left shoulder.

2006 · 2 incidents

June 14, 2006 AZ · Metal/Non-Metal tipple/top lander/skip dumper operator, binman, topman DISORDERS (PHYSICAL AGENTS)

CPC Southwest Materials Inc · Contact with heat

Employee passed out from heat exhaustion and dehydration. Employee was treated at hospital emergency room and released regular duty.

February 2, 2006 AZ · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON

CPC Southwest Materials Inc · Fall to the walkway or working surface

Employee slipped on leaking flocculant and fell onto a concrete floor injuring his upper back. Employee did not wish to see a doctor at the time of injury. He asked to see a doctor on 2/9/2006.

2005 · 1 incident

June 20, 2005 AZ · Metal/Non-Metal assayer, geologist, metallurgist, engineer, engineer management HANDLING OF MATERIALS

Padilla Sand & Gravel Redi-Mix Inc · Over-exertion in wielding or throwing objects

Employee was changing screen on wash plant. He threw old screen off of deck and strained elbow. Accident was not recordable until 6-29-05 when he was placed on restricted duty.

2003 · 1 incident

November 21, 2003 AZ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)

Padilla Sand & Gravel Redi-Mix Inc · Struck by... (Not Elsewhere Classified)

EE WAS USING A RAZOR KNIFE TO CUT CONVEYER BELTING. THE BLADE BROKE CAUSING THE KNIFE TO SLIP AND CUT THE EE'S HAND BELOW THE THUMB. LACERATION REQUIRED 4 STITCHES TO CLOSE THE WOUND.