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Washington State Department of Ecology - Model Toxic Control Act (MTCA)
Note: Method A Values can be found on pp. 259 (printed) and pp. 231 (Acrobat)
You can also use Washington State Department of Ecologys - Cleanup Levels and Risk Calculations (CLARC)
database to research MTCA Method A values and calculations. This database can be found here.
Chain of Custody (Standard) pdf fillable form
Chain of Custody (Standard) pdf printer friendly
Chain of Custody (Air) pdf fillable form
Chain of Custody (Air) pdf printer friendly