Lab Analysis.pdf

This document is a Report of Analysis from Marine Chemist Service, Inc. for asbestos testing conducted at USCG Base Portsmouth. The laboratory analysis details two samples collected on 04/15/2025, using Polarized Light Microscopy (PLM) with EPA methods. Sample RM121 (black mastic) contains 8% chrysotile asbestos, while sample RM122 (with multiple layers including tile and mastic) shows asbestos present in the tan floor tile (2% chrysotile) and black mastic (10% chrysotile). The samples were received on 04/18/2025 and analyzed on 04/21/2025, with the report prepared for René Pena at the Coast Guard base located at 4000 Coast Guard Blvd, Portsmouth, VA 23703.

The Chain of Custody form accompanies the report, indicating a same-day (75%) turnaround time for building material testing. The samples were collected from areas with suspected asbestos-containing materials, with the analysis revealing the presence of chrysotile asbestos in multiple layers of the tested materials. The testing was conducted by Marine Chemist Service, Inc., with the analyst Katie Macfarlane and laboratory supervisor Mary Helen Scott signing off on the detailed report.