Attachment 3 - Hex Checks Map.pdf

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129 CEF - B662 Hangar 4 Abatement
Solicitation number
W50S8X24QA011
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This document is a Request for Quotes (RFQ) for industrial cleaning and abatement of Hexavalent Chromium (CrVI) dust in Building 662 Hangar 4 at Moffett Field ANGB, California. The affected area is approximately 63,633 square feet. The solicitation is seeking a single firm fixed price contract for these services, which must be completed as soon as possible per OSHA regulations. A mandatory site visit is scheduled for June 26, 2024, with pre-coordination required for base access. Questions for the pre-site visit briefing must be submitted by June 24, 2024. The solicitation is being issued by the 129 MSG/MSG Contracting Office, Department of the Army California Army National Guard.

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File Type Posted
Solicitation - W50S8X24QA011.pdf PDF
Attachment 4 - BE Facility Health Risk Assessment.pdf PDF
Attachment 1 - PWS Hanger 4 B662 Abatement.pdf PDF
Attachment 2 - WD 2015-5641 Rev 24.pdf PDF

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Hexavalent Chromium (Cr(VI))

• Hexavalent chromium [Cr(VI)] is one of the valence states (+6) of the element chromium. It is usually produced by an industrial process. Cr(VI) is known to cause cancer. In addition, it targets the respiratory system, kidneys, liver, skin and eyes. Chromium metal is added to alloy steel to increase hardenability and corrosion resistance. A major source of worker exposure to Cr(VI) occurs during "hot work" such as welding on stainless steel and other alloy steels containing chromium metal. Cr(VI) compounds may be used as pigments in dyes, paints, inks, and plastics. It also may be used as an anticorrosive agent added to paints, primers, and other surface coatings. The Cr(VI) compound chromic acid is used to electroplate chromium onto metal parts to provide a decorative or protective coating.

HEX Checks POSITIVE

4 3

2 WT

Hy

Tested 5 April 2024 https://hexchecks.com/product/hexcheck s-cr6-test-swab/

HEXChecks were used to swap areas in work center and adjacent rooms

Hexavalent Chromium (Cr(VI))
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https://hexchecks.com/product/hexchecks-cr6-test-swab/

File details come from the government source that posted it. Updated .