General Information
Party ID	Party Name	Party Classification	Mailing Address	Work Phone	Email/Website
S673205	Yoshen Corporation	Privately-Owned Business	10015 Greenleaf Ave Santa Fe Springs, CA 90670	N/A	N/A	

Related Places
Place ID	Place Name	County	Region	Place Type	Relationship to Party	Relationship Start Date	Relationship End Date
S898037	Yoshen Corporation	Los Angeles	4	Facility	Discharger	09/09/2021	null	

Related Parties
Party ID	Party Name	Party Type	Role/Relationship	Relationship Start Date	Relationship End Date	Classification
N/A	Kin Tsay	Contact	Owner Contact	null	null	null	

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
S541348	Industrial	4	4 19NEC010070	Notice Of Intent New Application	Active	INDSTW	2014-0057-DWQ	09/29/2021	null	Discharger	09/09/2021	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.
S899651	10/02/2025	SW - Failure to meet NEC criteria	Failure to re-certify the NEC for 2025-2026 reporting year.	Violation	N	Report	Yoshen Corporation	S541348	2014-0057-DWQ	Y	

Enforcement Actions
Enforcement ID	Enforcement Type	Enf. Order No.	Title	Program	Effective Date	Status
S465135	Notice of Violation	null	4 19NEC010070	INDSTW	10/17/2025	Active	
S452264	Notice of Violation	null	4 19NEC010070	INDSTW	12/11/2023	Active	

Regulatory Measures linked to Related Parties
Reg. Measure ID	Organization	Regulatory Measure Type	Program	Effective Date	Status