UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 1 Laboratory Services and Applied Science Division 11 Technology Drive North Chelmsford, Massachusetts 01863-2431 Drafted Date: Finalized Date: May 26, 2021 July 1, 2021 Subject: Reconnaissance and Sampling Inspection Report Clean Water Act - National Pollutant Discharge Elimination System City of Methuen, MA From: Michelle Coombs, Inspector Field Services Branch (FSB) Laboratory Services and Applied Science Division (LSASD) Reviewed By: Jerome Keefe, Investigations Team Leader, LSASD-FSB To: Denny Dart, Water Compliance Section Chief, Enforcement and Compliance Assurance Division (ECAD-EWC) CC: Elizabeth Kudarauskas, Water Technical Lead, ECAD-EWC \MRC\ \JCK\ I.

EPA REGION 2 CARIBBEAN ENVIRONMENTAL PROTECTION DIVISION October 17, 2024 Via Electornic Mail Mr.

Stationary Source Dates of Inspection USEPA Contact Description of Activities Inspection Participants Facility Participants EPA Lead Inspector Signature/Date EPA Section Supervisor Signature/Date US EPA REGION 6 CLEAN AIR ACT SECTION 112(r) INSPECTION REPORT Occidental Chemical Corporation October 20-24, 2025 Kristen Latiolais, U.S.

This was an EPA lead inspection. 8) Facility Description SK is one of several facilities owned and operated nationwide by Clean Harbors Incorporated.

Informal Enforcement Actions (Last 5 Years) Statute Type of Action Lead Agency Date CAA Notice of Violation CAA Notice of Violation CAA Notice of Violation CAA Notice of Violation Local Local Local Local 10/17/2022 05/26/2022 05/26/2022 05/26/2022 Statute CAA CAA CAA CAA Table 2.

Environmental Scientist Hazardous Waste Inspector - Supervisor Hazardous Waste Inspector Plant Manager Plant Superintendent Senior Environmental Manager Senior Environmental Engineer EPA Lead Inspector Signature/Date Supervisor Signature/Date JOHN PENLAND Digitally signed by JOHN PENLAND Date: 2024.04.30 09:47:21 -05'00' John Penland (Sr.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 25063 Center Ridge Road Westlake, Ohio 44145 SUBJECT: FROM: THRU: TO: CLEAN AIR ACT INSPECTION REPORT Kemira Water Solutions, Inc., East Chicago, Indiana Danny Nguyen, Risk Management Program (RMP) Inspector WECAB, Multimedia Section Brooke Furio, Section Supervisor WECAB, Multimedia Section File BASIC INFORMATION Facility Name: Kemira Water Solutions, Inc.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 25063 CENTER RIDGE ROAD WESTLAKE, OHIO 44145 SUBJECT: FROM: THRU: TO: CLEAN AIR ACT INSPECTION REPORT JCI Jones Chemicals, Inc., Riverview, Michigan Danny Nguyen, Risk Management Program (RMP) Inspector WECAB, Multimedia Section Mr.

This was an EPA lead inspection. 8) Previous Inspection History During the summer of 2019, Adornus Manufacturing USA, LLC (Adornus) purchased the subject facility, which had previously served as an AA battery manufacturing facility owned and operated by Duracell Manufacturing, Inc.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 77 WEST JACKSON BOULEVARD CHICAGO, ILLINOIS 60604 SUBJECT: FROM: THRU: TO: CLEAN AIR ACT INSPECTION REPORT Hudsonville Creamery & Ice Cream LLC Manojkumar P.

Clair RMP Number/ FRS Number: 1000 0006 0961 Facility Contact (Name, Title): Ryan Giacoletto Facility Contact Phone No: (618) 286-5207 Facility Contact Email: ryan.giacoletto@hawkinsinc.com Reported NAICS Code(s): 32518, Other Basic Inorganic Chemical Manufacturing Inspection Information Inspection Begin Date: 04/28/2022 Inspection End Date: 04/28/2022 Arrival Time: Lead Inspector Name: Charles Hall Departure Time: Organization: EPA, R5, Air Enforcement and Compliance Assurance Branch Phone No.

Outfall 001 has effluent limitations for pH, total residual chlorine (TRC), oil & grease, total suspended solids (TSS), total chromium, hexavalent chromium, cadmium, lead, nickel, silver, zinc, copper, total cyanide, and total toxic organics (TTOs).

/Email: Lead Inspector Danny Nguyen USEPA Region 5 (440) 250-1709 nguyen.danny@epa.gov Jason Schenandoah USEPA Region 5 (312) 886-9506 schenandoah.jason@epa.gov Participating Inspectors Page 1 of 19 Rev 01/07/2021 RMP Program Level 3 Process Checklist Facility Name: _A_i_r_g_a_s_S_p_e_c_i_a_lt_y_P__ro_d__u_c_ts_I_n_c_.

/Email: Lead Inspector Jason Schenandoah US EPA 312-886-9506 Sasa Dunovic US EPA 312-353-8723 Participating Inspectors Page 1 of 19 Rev 01/07/2021 RMP Program Level 3 Process Checklist Facility Name: _M__a_s_o_n_C__o_r_p_o_r_a_ti_o_n____________________ Subpart A - General [68.10-15] General requirements followed and implemented as in 40 CFR 68.10-15?

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 25063 CENTER RIDGE ROAD WESTLAKE, OHIO 44145 SUBJECT: FROM: THRU: TO: CLEAN AIR ACT INSPECTION REPORT Vertellus Zeeland LLC, Zeeland, Michigan Danny Nguyen, Risk Management Program (RMP) Inspector WECAB, Multimedia Section Mr.