{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.ai-analytics.org/api/v1/msha/violations/check?name=Bison%20Materials%20LLC","name":"Bison Materials 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":"2026-09-23T12:51:00.558Z"},"summary":{"total_violations":200,"significant_and_substantial":44,"proposed_penalty_usd":325063,"amount_paid_usd":199456},"top_violated_rules":[{"part_section":"56.14107(a)","n":32},{"part_section":"56.12004","n":18},{"part_section":"56.14132(a)","n":11},{"part_section":"56.14112(b)","n":11},{"part_section":"56.12032","n":9},{"part_section":"56.20003(a)","n":8},{"part_section":"50.30(a)","n":8},{"part_section":"56.12028","n":7},{"part_section":"56.12018","n":7},{"part_section":"56.18002(a)","n":5}],"recent_violations":[{"violation_no":"9746565","issue_date":"12/18/2023","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"56.16006","negligence":"ModNegligence","proposed_penalty":147,"canonical_url":"https://api.ai-analytics.org/mine-violation/9746565"},{"violation_no":"9746566","issue_date":"12/18/2023","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"56.14207","negligence":"ModNegligence","proposed_penalty":147,"canonical_url":"https://api.ai-analytics.org/mine-violation/9746566"},{"violation_no":"9748656","issue_date":"12/14/2023","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":null,"part_section":null,"negligence":null,"proposed_penalty":null,"canonical_url":"https://api.ai-analytics.org/mine-violation/9748656"},{"violation_no":"9746564","issue_date":"12/14/2023","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"Y","part_section":"56.9300(a)","negligence":"ModNegligence","proposed_penalty":1098,"canonical_url":"https://api.ai-analytics.org/mine-violation/9746564"},{"violation_no":"9675838","issue_date":"12/06/2022","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"56.4104(b)","negligence":"ModNegligence","proposed_penalty":215,"canonical_url":"https://api.ai-analytics.org/mine-violation/9675838"},{"violation_no":"9675839","issue_date":"12/06/2022","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"56.12004","negligence":"ModNegligence","proposed_penalty":716,"canonical_url":"https://api.ai-analytics.org/mine-violation/9675839"},{"violation_no":"9675840","issue_date":"12/06/2022","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"56.14112(a)(1)","negligence":"ModNegligence","proposed_penalty":321,"canonical_url":"https://api.ai-analytics.org/mine-violation/9675840"},{"violation_no":"9675841","issue_date":"12/06/2022","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"56.4402","negligence":"ModNegligence","proposed_penalty":215,"canonical_url":"https://api.ai-analytics.org/mine-violation/9675841"},{"violation_no":"8867749","issue_date":"12/06/2016","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"Y","part_section":"56.20003(a)","negligence":"LowNegligence","proposed_penalty":356,"canonical_url":"https://api.ai-analytics.org/mine-violation/8867749"},{"violation_no":"8624671","issue_date":"12/01/2011","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"50.30(a)","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/8624671"},{"violation_no":"8624672","issue_date":"12/01/2011","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"50.30(a)","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/8624672"},{"violation_no":"5003701","issue_date":"11/25/2025","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"56.14132(a)","negligence":"LowNegligence","proposed_penalty":151,"canonical_url":"https://api.ai-analytics.org/mine-violation/5003701"},{"violation_no":"5003702","issue_date":"11/25/2025","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"56.9300(b)","negligence":"ModNegligence","proposed_penalty":151,"canonical_url":"https://api.ai-analytics.org/mine-violation/5003702"},{"violation_no":"5003703","issue_date":"11/25/2025","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"56.12018","negligence":"LowNegligence","proposed_penalty":151,"canonical_url":"https://api.ai-analytics.org/mine-violation/5003703"},{"violation_no":"5003700","issue_date":"11/24/2025","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"56.16006","negligence":"LowNegligence","proposed_penalty":151,"canonical_url":"https://api.ai-analytics.org/mine-violation/5003700"},{"violation_no":"9510245","issue_date":"11/20/2019","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"56.12008","negligence":"ModNegligence","proposed_penalty":604,"canonical_url":"https://api.ai-analytics.org/mine-violation/9510245"},{"violation_no":"9510246","issue_date":"11/20/2019","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"56.12032","negligence":"ModNegligence","proposed_penalty":181,"canonical_url":"https://api.ai-analytics.org/mine-violation/9510246"},{"violation_no":"9510247","issue_date":"11/20/2019","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"Y","part_section":"56.18002(a)","negligence":"HighNegligence","proposed_penalty":2993,"canonical_url":"https://api.ai-analytics.org/mine-violation/9510247"},{"violation_no":"9510230","issue_date":"11/19/2019","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"41.12","negligence":"HighNegligence","proposed_penalty":168,"canonical_url":"https://api.ai-analytics.org/mine-violation/9510230"},{"violation_no":"9510231","issue_date":"11/19/2019","mine_id":"3402093","controller_name":"Spencer Gene  Hopper; Lucas  Hopper","violator_name":"Bison Materials LLC","sig_sub":"N","part_section":"56.14107(a)","negligence":"ModNegligence","proposed_penalty":181,"canonical_url":"https://api.ai-analytics.org/mine-violation/9510231"}]}