{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.ai-analytics.org/api/v1/msha/violations/check?name=Sierra%20Rock%20LLC","name":"Sierra Rock LLC","_source":{"data_provider":"AI Analytics","data_provider_url":"https://api.ai-analytics.org","license":"https://creativecommons.org/publicdomain/zero/1.0/","primary_source":"https://arlweb.msha.gov/OpenGovernmentData/OGIMSHA.asp","generated_at":"2026-09-04T21:10:44.555Z"},"summary":{"total_violations":49,"significant_and_substantial":12,"proposed_penalty_usd":16522,"amount_paid_usd":16522},"top_violated_rules":[{"part_section":"56.14107(a)","n":9},{"part_section":"56.9300(a)","n":6},{"part_section":"56.14100(b)","n":5},{"part_section":"56.12004","n":3},{"part_section":"56.11001","n":3},{"part_section":"56.14132(b)(1)(i)","n":2},{"part_section":"56.14132(a)","n":2},{"part_section":"56.9301","n":1},{"part_section":"56.4200(b)(2)","n":1},{"part_section":"56.4100(a)","n":1}],"recent_violations":[{"violation_no":"9509703","issue_date":"12/08/2023","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"N","part_section":"56.9300(a)","negligence":"ModNegligence","proposed_penalty":147,"canonical_url":"https://api.ai-analytics.org/mine-violation/9509703"},{"violation_no":"9502944","issue_date":"11/23/2020","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"N","part_section":"56.12004","negligence":"ModNegligence","proposed_penalty":123,"canonical_url":"https://api.ai-analytics.org/mine-violation/9502944"},{"violation_no":"9502945","issue_date":"11/23/2020","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"N","part_section":"56.14107(a)","negligence":"ModNegligence","proposed_penalty":123,"canonical_url":"https://api.ai-analytics.org/mine-violation/9502945"},{"violation_no":"9502946","issue_date":"11/23/2020","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"Y","part_section":"56.9300(a)","negligence":"ModNegligence","proposed_penalty":351,"canonical_url":"https://api.ai-analytics.org/mine-violation/9502946"},{"violation_no":"9502947","issue_date":"11/23/2020","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"Y","part_section":"56.14105","negligence":"ModNegligence","proposed_penalty":351,"canonical_url":"https://api.ai-analytics.org/mine-violation/9502947"},{"violation_no":"8879933","issue_date":"11/08/2017","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"Y","part_section":"56.3430","negligence":"ModNegligence","proposed_penalty":1010,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879933"},{"violation_no":"8879660","issue_date":"11/07/2018","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":null,"part_section":null,"negligence":null,"proposed_penalty":null,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879660"},{"violation_no":"8879928","issue_date":"11/07/2017","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"N","part_section":"56.9300(a)","negligence":"ModNegligence","proposed_penalty":204,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879928"},{"violation_no":"8879929","issue_date":"11/07/2017","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"Y","part_section":"56.11001","negligence":"ModNegligence","proposed_penalty":305,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879929"},{"violation_no":"8879930","issue_date":"11/07/2017","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"N","part_section":"56.14107(a)","negligence":"ModNegligence","proposed_penalty":204,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879930"},{"violation_no":"8879931","issue_date":"11/07/2017","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"N","part_section":"56.20003(a)","negligence":"ModNegligence","proposed_penalty":116,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879931"},{"violation_no":"8879932","issue_date":"11/07/2017","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"N","part_section":"56.14107(a)","negligence":"ModNegligence","proposed_penalty":116,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879932"},{"violation_no":"8879920","issue_date":"11/02/2017","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"N","part_section":"56.12028","negligence":"ModNegligence","proposed_penalty":239,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879920"},{"violation_no":"8879921","issue_date":"11/02/2017","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"Y","part_section":"56.14100(b)","negligence":"HighNegligence","proposed_penalty":3939,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879921"},{"violation_no":"8879922","issue_date":"11/02/2017","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"N","part_section":"56.4100(a)","negligence":"ModNegligence","proposed_penalty":116,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879922"},{"violation_no":"8879924","issue_date":"11/02/2017","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"Y","part_section":"56.14100(a)","negligence":"ModNegligence","proposed_penalty":1187,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879924"},{"violation_no":"8879925","issue_date":"11/02/2017","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"Y","part_section":"56.9300(a)","negligence":"ModNegligence","proposed_penalty":1187,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879925"},{"violation_no":"8879926","issue_date":"11/02/2017","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"Y","part_section":"56.11001","negligence":"ModNegligence","proposed_penalty":533,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879926"},{"violation_no":"8879927","issue_date":"11/02/2017","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"N","part_section":"56.4200(b)(2)","negligence":"ModNegligence","proposed_penalty":116,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879927"},{"violation_no":"8879916","issue_date":"11/01/2017","mine_id":"0404031","controller_name":"Linda S  Brunius; Eric T  Brunius","violator_name":"Sierra Rock  LLC","sig_sub":"Y","part_section":"56.9300(a)","negligence":"ModNegligence","proposed_penalty":1508,"canonical_url":"https://api.ai-analytics.org/mine-violation/8879916"}]}