| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| gretchengehrke | "Here's another resource for soil sampling procedures: https://archive.epa.gov/region9/toxic/web/pdf/ee-soilsampling-sop-env-3-13.pdf. " | Read more » | almost 7 years ago | |||
| warren | "Some questions I have: How important (and for what types of sampling) is refrigeration? How quickly do different types of samples have to be shipp..." | Read more » | over 7 years ago |