Document jg6Qa7jx7x60pwZ6jgLo34de2

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 5 77 WEST JACKSON BOULEVARD CHICAGO, ILLINOIS 60604 DATE: SUBJECT: FROM: THRU: TO: See Date of Section Chief Signature Below CLEAN AIR ACT INSPECTION REPORT Caterpillar Inc. - East Peoria Campus, East Peoria, Illinois Dakota Prentice, Environmental Engineer AECAB (IL/IN) Nathan Frank, Section Chief AECAB (IL/IN) File BASIC INFORMATION Facility Name: Caterpillar Inc. - East Peoria Campus Facility Location: 100 Tractor Drive, East Peoria, IL Date of Inspection: August 10, 2021 EPA Inspector(s): 1. Dakota Prentice, Environmental Engineer 2. Emma Leeds, Environmental Engineer Other Attendees: 1. Scott Hacke, EHS Professional - Caterpillar, Inc. Contact Email Address: Hacke_Scott_A@cat.com Purpose of Inspection: Compliance with Title V permit and responding to a community odor complaint Facility Type: Heavy equipment finishing and assembly Regulations Central to Inspection: Coating operations are subject to NESHAP MMMM and various requirements of the Illinois State Implementation Plan. Arrival Time: 2:10 PM Departure Time: 5:30 PM Inspection Type: Unannounced Inspection Announced Inspection OPENING CONFERENCE Presented Credentials Stated authority and purpose of inspection Provided Small Business Resource Information Sheet Small Business Resource Information Sheet not provided. Reason: Not a small business Provided CBI warning to facility The following information was obtained verbally from Mr. Hacke unless otherwise noted. Process Description: The facility is best described as a campus with multiple building participating in various parts of Caterpillar's worldwide business operations. Operations listed below are limited to those relevant to the Clean Air Act (CAA): Building KK - transmission assembly, includes some heat treatment and painting operations Building SS - bulldozer or "track-type tracker" assembly Building LL - metalworking associated with metal wheels for tractor tracks, includes welding, grinding, and painting operations Buildings GG and BB - tractor undercarriage work including heat treatment and track assembly Building FA - solvent still, reclaims solvent from onsite paint lines TOUR INFORMATION EPA Tour of the Facility: Yes Data Collected and Observations: Mr. Hacke provided a tour of the campus to EPA. Operations relevant to the CAA and the generation of emissions were not in operation during the plant tour. EPA observed a recently installed Dip Tank system. Photos and/or Videos: were not taken during the inspection. Field Measurements: were not taken during this inspection. Page 2 of 3 CLOSING CONFERENCE Provided U.S. EPA point of contact to the facility Requested documents: Two years of semi-annual/quarterly reports associated with CAA compliance Monthly prime coat usage, top-coat usage, and clean-up solvent usage for 2019 - 2021 SDS sheets for coatings used to demonstrate compliance with NESHAP MMMM Provide a narrative on operation of the High Velocity Oxy-Fuel Thermal Spray Line Provide a narrative on operation of the facility's water wash system used to control emissions A copy of the construction permit for the new Dip Tank Records for weekly dry filter and waterfall collectors in 2021 DIGITAL SIGNATURES DAKOTA Digitally signed by DAKOTA PRENTICE Report Author: _P_R__E_N__T_IC__E___D1_4a_:t1e9_::25_082_-10._50'90_.02_'2____________ NATHAN Digitally signed by NATHAN FRANK Section Chief: __F_R_A__N_K_______D1_4a:_t5e3:_:22_032_-10._50'90_.02'_2 ____________ Page 3 of 3