Title from disk label. "April 1997." "EPA-821-C-97-002." CD-ROM

Method 1631 : mercury in water by oxidation, purge and trap, and cold vapor atomic fluorescence spectrometry (EPA 821-R-96-012) -- Method 1632 : inorganic arsenic in water by hydride generation quartz furnace atomic absorption (EPA 821-R-96-013) -- Method 1636 : Determination of dissolved hexavalent chromium in ambient waters by ion chromatography (EPA 821-R-96-003) -- Method 1637 : determination of trace elements in ambient waters by off-line chelation preconcentration and stabilized temperature graphite furnace atomic absorption (EPA 821-R-96-004) -- Guidance on establishing trace metal clean rooms in existing facilities (EPA 821-B-96-001) -- Guidance on the documentation and evaluation of trace metals data collected for Clean Water Act compliance monitoring (EPA 821-B-96-004) -- Method 1638 : determination of trace elements in ambient waters by inductively coupled plasma-mass spectrometry (EPA 821-R-96-005) -- Method 1639 : determination of trace elements in ambient waters by stabilized temperature graphite furnace atomic absorption (EPA 821-R-96-006) -- Method 1640 : determination of trace elements in ambient waters by on-line chelation preconcentration and inductively coupled plasma-mass spectrometry (EPA 821-R-96-007) -- Method 1669 : sampling ambient water for trace metals at EPA water quality criteria levels (EPA 821-R-96-011).