General Information
Party ID	Party Name	Party Classification	Mailing Address	Work Phone	Email/Website
546168	Dane Nygaard	null	1036 West Taft Avenue 200 Orange, CA 92865	714-919-6525	dnygaard@montrose-env.com	

Related Places
Place ID	Place Name	County	Region	Place Type	Relationship to Party	Relationship Start Date	Relationship End Date
823534	Former USA Station No. 91	Contra Costa	5S	Groundwater Cleanup Site	Contact	03/30/2016	null	

Related Parties
Party ID	Party Name	Party Type	Role/Relationship	Relationship Start Date	Relationship End Date	Classification
643370	Montrose Environmental	Organization	Legally Responsible Official	01/12/2024	null	Privately-Owned Business	
554427	ES Enginnering Services, Inc.	Organization	Employee	03/30/2016	null	Privately-Owned Business	
544098	Environ Strategy Consultants, Inc	Organization	Legally Responsible Official	04/18/2014	null	Privately-Owned Business	

Regulatory Measures(non-enforcement)
Reg. Measure ID	Regulatory Measure Type	Region	WDID	Title	Status	Program	Order No.	RM Effective Date	RM Termination Date	Relationship	Relationship Start Date	Relationship End Date
405493	Enrollee - WDR	5S	5B07NC00037	Enrollee under Gen WDR R5-2015-0012-018 for ES Enginnering Services, Inc., Former USA Station No. 91	Historical	WDRNONMUNIPRCS	R5-2015-0012	11/17/2017	06/28/2023	Discharger Contact	03/30/2016	null	

Violations within the past calendar year
Violation ID	Occurrence Date	Violation Type	Violation Description	Violation Status	Priority	Source	Facility Name	Violated Reg. Meas. ID	Violated Reg. Meas. Order No.	Linked To Enf.

Enforcement Actions
Enforcement ID	Enforcement Type	Enf. Order No.	Title	Program	Effective Date	Status

Regulatory Measures linked to Related Parties
Reg. Measure ID	Organization	Regulatory Measure Type	Program	Effective Date	Status
405493	ES Enginnering Services, Inc.	Enrollee - WDR	WDRNONMUNIPRCS	11/17/2017	Historical	
395733	Environ Strategy Consultants, Inc	Enrollee - WDR	UST	11/07/2013	Historical