Discovery / map of subjects
Topic map
Page and document embeddings group records by subject. Region area represents pages; boxes and dates trace how a topic spreads across the collection. This is a map of subjects, never of people.
Machine-clustered topics and assignments, not a definitive index. Select a topic to zoom into its sub-topics, then a sub-topic to see its documents.
← Whole collection · Heavy metals ICP-MS analysis and extraction testing
12135 pages · 936 documents — open this topic's documents →
ICP-MS metal analysis and daily performance checks8513 pages · 278 documentsInstrumental analysis records for heavy metal detection including tuning, calibration, and quality control batches from 2002. · Boxes DEP Box 58, DEP Box 66, DEP Box 24, DEP Box 63 · Click to open documentsHeavy metals and trace elements analytical testing records1944 pages · 111 documentsLaboratory batch analysis records for heavy metals including lead, arsenic, selenium, antimony, and thallium from post-9/11 environmental samples. · Boxes DEP Box 59, DEP Box 66, DEP Box 24 · Click to open documentsGas chromatography-mass spectrometry analytical testing records960 pages · 302 documentsLaboratory analytical methods and chromatography test results from environmental sampling conducted in late 2001 and early 2002. · Boxes DEP Box 25, DEP Box 57, DEP Box 27, DEP Box 18 · Click to open documentsMethod 525 and 605 water sample analysis and extraction testing427 pages · 100 documentsLaboratory analytical records documenting environmental water sampling, extraction methods, and chemical testing protocols from September–December 2001. · Boxes DEP Box 58, DEP Box 20, DEP Box 30, DEP Box 68 · Click to open documentsAir sampling and chemical analysis records (HPCHEM laboratory data)172 pages · 61 documentsLaboratory instrumental analysis sequences and sample data from chromatography testing, September–December 2001. · Boxes DEP Box 64, DEP Box 68, DEP Box 30, DEP Box 13 · Click to open documentsLaboratory analysis and extraction testing records119 pages · 84 documentsChemical and mass spectrometry testing documentation with sample extraction dates, drip rates, pH measurements, and analytical results from post-9/11 environmental samples. · Boxes DEP Box 64, DEP Box 68, DEP Box 30, DEP Box 58 · Click to open documents
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