Reference Standards: US EPA Methods

• Fewest mixtures needed for calibration and matrix spikes.
• Mixtures formulated for maximum stability.
• Contains most routinely analyzed compounds.

• Developed specifically for EPA Method 525.3.
• Formulated to provide maximum stability in concentrations convenient for dilution.
• Simplifies and speeds up standard preparation.
• Quantitatively tested to confirm composition; detailed support documentation provided.

• Developed specifically for EPA Method 525.3.
• Formulated to provide maximum stability in concentrations convenient for dilution.
• Simplifies and speeds up standard preparation.
• Quantitatively tested to confirm composition; detailed support documentation provided.

• Developed specifically for EPA Method 525.3.
• Formulated to provide maximum stability in concentrations convenient for dilution.
• Simplifies and speeds up standard preparation.
• Quantitatively tested to confirm composition; detailed support documentation provided.

• Developed specifically for EPA Method 525.3.
• Formulated to provide maximum stability in concentrations convenient for dilution.
• Simplifies and speeds up standard preparation.
• Quantitatively tested to confirm composition; detailed support documentation provided.

• Developed specifically for EPA Method 525.3.
• Formulated to provide maximum stability in concentrations convenient for dilution.
• Simplifies and speeds up standard preparation.
• Quantitatively tested to confirm composition; detailed support documentation provided.

• Developed specifically for EPA Method 525.3.
• Formulated to provide maximum stability in concentrations convenient for dilution.
• Simplifies and speeds up standard preparation.
• Quantitatively tested to confirm composition; detailed support documentation provided.

• Developed specifically for EPA Method 525.3.
• Formulated to provide maximum stability in concentrations convenient for dilution.
• Simplifies and speeds up standard preparation.
• Quantitatively tested to confirm composition; detailed support documentation provided.

• Developed specifically for EPA Method 525.3.
• Formulated to provide maximum stability in concentrations convenient for dilution.
• Simplifies and speeds up standard preparation.
• Quantitatively tested to confirm composition; detailed support documentation provided.

• High purity for consistent results.
• Free quality assurance data package available online.
• Highest concentrations commercially available.
• Convenient 1 mL, 5 mL, and 10 mL package sizes reduce cost per sample extract.

Contains 1 mL each of these mixtures.
31618: 8270 Calibration Mix #1
31619: 8270 Calibration Mix #2
31620: 8270 Calibration Mix #3
31621: 8270 Calibration Mix #4
31995: 8270 Calibration Mix #5, Revised
31996: 3-Methylcholanthrene Standard

• Highest concentrations commercially available.
• Convenient 1 mL, 5 mL, and 10 mL package sizes.
• Reduces laboratory cost per sample extract.

Note: Methapyrilene is not included in this revised standard.

• Highest concentrations commercially available.
• Reduces laboratory cost per sample extract.

• Highest concentrations commercially available.
• Reduces laboratory cost per sample extract.

For LC-fluorescence detection.

For LC-UV detection.

Contains 1 mL each of these mixtures.
31850: 8270 MegaMix Standard
31834: 605 Benzidines Calibration Mix
32459: Appendix IX Mix #1, Revised (Methapyrilene is not included in this revised standard.)
32460: Methapyrilene Standard
31806: Appendix IX Mix #2

• MegaMix mixture includes all target compounds not in our current products.
• Incorporates all phenols, for fast preparation and calibration.
• Incorporates "additional" extractable Method 625 compounds.

• High purity for consistent results.
• Free quality assurance data package available online.
• Highest concentrations commercially available.