Crayton 6EN-WR Inspector/Enforcement Officer EPA Lead Inspector Signature/Date Sharron A.

Documentation reviewed Prior to the inspection, EPA inspectors reviewed the following documentation: - Last two sanitary surveys performed by FDEP - Violation history - Enforcement Targeting Tool Score history While on site, EPA inspectors reviewed the following documentation: - Bacteriological sample siting plan - October - December 2021 Bacteriological sampling results - Cross-connection control plan - Distribution system map - 2017 and 2020 Lead and Copper Rule sampling results - 2017 and 2020 Lead and Copper Rule sampling letter and instructions - Lead and Copper Rule sampling plan - 2021 Monthly operating reports - Revised Total Coliform Rule sampling standard operating procedure - Operator certification documents - Public notification standard operating procedure - Stage 2 Disinfection and Disinfection Biproducts monitoring plan - Third quarter 2021 Disinfection and Disinfection Biproducts sampling results - Tank inspection reports - Treatment plant schematic Comments and Observations Comments Facility staff was welcoming and helpfu

The primary raw materials used are replacement parts, sandpaper, lead and chromium free paints, oil, batteries, tires, coolant, lacquer/thinner.

There were four waste Lithium-ion, one waste Ni-MH, and 4 waste lead-acid batteries that were being accumulated on the top of a shelf, inside the Boom Room.

(Lead Inspector) Sarah Biscardi, Eastern Research Group, EPA Contractor.

FIELD ACTIVITIES SUMMARY On October 25, 2021, EPA inspectors conducted an opening meeting and presented credentials to Meghan Nolan, Phillip 66's environmental team lead.

After screening, water is pumped to a sand separator and then to 3 membrane filtration "skids" operating in a lead/lag alternated configuration.

EPA Region 5 Lead Inspector Joseph ForthError!

EPA Region 10 Raymond Andrews Lead Inspector Yes Yes Lummi Tribal Sewer Daniel Jeffries Lead Operator Yes Yes and Water District Facility Information Responsible Official?

Document 60 From : Se nt: To: Cc: Subject: Moore, Toye Fri, 21 Mar 2025 17:09:05 +0000 Walton, Vaneese (VC); Travis, Garland Lamanna, Isabelle; Bailey, Kelly (KL) RE: CEO, Dow Thank you, Vaneesa!

There are some berm deficiencies on the roadways leading from the feed lanes on the north side of the facility (see Areas of Concern).

EPA Region 5 Lead Inspector Joseph Forth: Presented credentials to the Facility.

I explained that I was the lead investigator, but I was also in training and that Mr.

EPA Region 5 Lead Inspector Joseph Forth: Presented credentials to the Facility.

This was an EPA lead joint inspection.