Mon, 28 Apr 2025 14:17:17 +0000 Burdette, Grant (OST); Siegrist, Ben (OST) RE: You're Invited: Join Leading Autonomous Vehicle Companies for a Reception Event Attendance Checklist (Ethics Clearance Request).docx You don't often get email from mmsylvester@venable.com.

Fri, 25 Apr 2025 17:33:07 +0000 Burdette, Grant (OST); Siegrist, Ben (OST) RE: You're Invited: Join Leading Autonomous Vehicle Companies for a Reception You don't often get email from mmsylvester@venable.com.

Hoh Tribe is currently scheduled to take 5 samples every year at approved lead and copper tap sampling sites.

Lack of Lead Tap Sample Siting Plan (TSSP).

The highest lead content alloy produced at the facility is 18 to 20% lead.

Lead oxide is produced in a lead oxide mill which is controlled with baghouses.

Lead Oxide is produced in a lead oxide mill which is controlled with a baghouse.

Oxide Mills, where lead oxide melt pots serve the two lead oxide production lines.

The Dry End Refining Kettles used refining agents and the molten lead to produce lead ingots.

Recent examples impacting key green technologies have included on EV battery cobalt salts, the potential lithium salts classification, and decisions on lead impacting on aluminium, copper alloys and precious metals recycling (interdependent with lead).

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Runoff would be expected to contain transmission fluids, gasoline, diesel, motor oil, antifreeze/coolant, windshield washer fluid, refrigerants, brake fluid, lead, and mercury.

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The facility recycles used lead-acid batteries.