Log sheet recording drip rates, pH levels, and sample counts for water quality monitoring conducted at the World Trade Center site in late October 2001.
NYC-WTC_000028352–000028357
Folder label: “525 X 10/16/01 AN 10/30 - 10/31/01”
Fragmented technical record likely documenting instrument settings, filenames, or standard usage details for environmental analysis conducted in late 2001.
Log sheet recording drip rates, pH levels, and sample counts for water quality monitoring conducted at the World Trade Center site in late October 2001.