{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.ai-analytics.org/api/v1/msha/violations/check?name=Jeffrey%20D%20Kolb","name":"Jeffrey D Kolb","_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":"2026-08-23T06:03:31.541Z"},"summary":{"total_violations":63,"significant_and_substantial":20,"proposed_penalty_usd":10245,"amount_paid_usd":10245},"top_violated_rules":[{"part_section":"56.14107(a)","n":9},{"part_section":"56.12004","n":4},{"part_section":"56.9300(a)","n":3},{"part_section":"50.30(a)","n":3},{"part_section":"62.120","n":2},{"part_section":"56.3200","n":2},{"part_section":"56.3131","n":2},{"part_section":"56.14207","n":2},{"part_section":"56.14112(b)","n":2},{"part_section":"56.14110","n":2}],"recent_violations":[{"violation_no":"6239549","issue_date":"12/19/2005","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"50.30(a)","negligence":"ModNegligence","proposed_penalty":60,"canonical_url":"https://api.ai-analytics.org/mine-violation/6239549"},{"violation_no":"6239550","issue_date":"12/19/2005","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"50.30(a)","negligence":"ModNegligence","proposed_penalty":60,"canonical_url":"https://api.ai-analytics.org/mine-violation/6239550"},{"violation_no":"6239546","issue_date":"12/05/2005","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"56.12008","negligence":"ModNegligence","proposed_penalty":60,"canonical_url":"https://api.ai-analytics.org/mine-violation/6239546"},{"violation_no":"8768739","issue_date":"11/20/2013","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"56.11012","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/8768739"},{"violation_no":"8777763","issue_date":"11/12/2014","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"56.12004","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/8777763"},{"violation_no":"8777764","issue_date":"11/12/2014","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"47.44(b)","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/8777764"},{"violation_no":"8777765","issue_date":"11/12/2014","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"Y","part_section":"56.12008","negligence":"ModNegligence","proposed_penalty":263,"canonical_url":"https://api.ai-analytics.org/mine-violation/8777765"},{"violation_no":"6206724","issue_date":"11/06/2002","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"56.6132(b)","negligence":"ModNegligence","proposed_penalty":55,"canonical_url":"https://api.ai-analytics.org/mine-violation/6206724"},{"violation_no":"6206725","issue_date":"11/06/2002","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"50.20","negligence":"LowNegligence","proposed_penalty":55,"canonical_url":"https://api.ai-analytics.org/mine-violation/6206725"},{"violation_no":"6206726","issue_date":"11/06/2002","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"46.8(a)(2)","negligence":"HighNegligence","proposed_penalty":109,"canonical_url":"https://api.ai-analytics.org/mine-violation/6206726"},{"violation_no":"6206721","issue_date":"11/05/2002","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"56.16005","negligence":"ModNegligence","proposed_penalty":55,"canonical_url":"https://api.ai-analytics.org/mine-violation/6206721"},{"violation_no":"6206722","issue_date":"11/05/2002","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"56.12018","negligence":"LowNegligence","proposed_penalty":55,"canonical_url":"https://api.ai-analytics.org/mine-violation/6206722"},{"violation_no":"6206723","issue_date":"11/05/2002","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"56.4430(b)(3)","negligence":"ModNegligence","proposed_penalty":55,"canonical_url":"https://api.ai-analytics.org/mine-violation/6206723"},{"violation_no":"8676697","issue_date":"10/29/2012","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"56.14109(b)(1)","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/8676697"},{"violation_no":"8676698","issue_date":"10/29/2012","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"56.14108","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/8676698"},{"violation_no":"6473871","issue_date":"10/28/2009","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"Y","part_section":"56.14107(a)","negligence":"ModNegligence","proposed_penalty":127,"canonical_url":"https://api.ai-analytics.org/mine-violation/6473871"},{"violation_no":"6473872","issue_date":"10/28/2009","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"56.4101","negligence":"LowNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/6473872"},{"violation_no":"6473873","issue_date":"10/28/2009","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"56.14132(a)","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/6473873"},{"violation_no":"6574301","issue_date":"10/19/2010","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"N","part_section":"56.12030","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/6574301"},{"violation_no":"8615971","issue_date":"10/13/2011","mine_id":"2300190","controller_name":"Jeffrey D  Kolb","violator_name":"Schiermeier Quarry Inc","sig_sub":"Y","part_section":"56.11001","negligence":"ModNegligence","proposed_penalty":100,"canonical_url":"https://api.ai-analytics.org/mine-violation/8615971"}]}