DTSC School Data Validation Memorandum
- Lab certification check
- Chain-of-Custody verification
- Dates of sample collection, preservation, preparation/extraction and
analysis
- Quantitation limits
- Dilution factors
- Report pagination
- Qualifier definitions
- Holding times
- Preservation
- Blanks - method, trip, equipment
- LCS
- MS/MSD
- Surrogates
- Duplicates
- Field analysis
