| MATRIX | NAME |
|---|---|
| AA | Ambient Air |
| AD | Drilling Air |
| AF | Air Filter |
| AI | Air |
| AJ | Aqueous QC |
| AQ | Air QC |
| AS | Asphalt |
| AT | Adsorbent Tube |
| AW | Aqueous |
| AX | Air - Unk. Origin |
| BE | Bird Egg |
| BT | Bio-Trap |
| CF | Fly Ash Cinder |
| DC | Drill Cuttings |
| GA | Gas |
| GE | Gaseous Effluent (Stack Gas) |
| GL | Gaseous Phase of Liquid |
| GQ | Gaseous Phase QC |
| GS | Soil Gas |
| GV | Vapor Extraction System Vapor |
| IA | Indoor Air |
| LB | Blood |
| LC | Liquid Condensate |
| LD | Drilling Fluid |
| LE | Liquid Emulsion |
| LF | Floating/Free Product - Groundwater |
| LH | Liquid Waste |
| LO | Organic Liquid |
| LQ | Organic Liquid QC |
| LT | Floating/Free Product - Tank |
| LV | Vadose Zone Liquid |
| MH | Hazardous Multi-Phase Waste |
| MS | Marine Sediment |
| MX | Multi-Phase - Unk. Origin |
| OI | Oil |
| OQ | Oil QC |
| P | Product |
| PC | Paint Chip |
| PK | Plankton |
| QW | Swab or Wipe QC |
| RK | Rock |
| SB | Bentonite |
| SC | Cement |
| SE | Sediment |
| SF | Filter Sandpack |
| SH | Solid Waste |
| SL | Sludge |
| SM | Water Filter |
| SN | Misc. Solid |
| SO | Soil |
| SP | Well Casing |
| SQ | Soil/Solid QC |
| SR | Water Filter Residue |
| SS | Surface Scrapings |
| ST | Sorbents |
| SW | Swab or Wipe |
| SX | Soil/Solid - Unk. Origin |
| TA | Animal Tissue |
| TC | Clam Tissue |
| TF | Fish Tissue |
| TI | Invertebrate Tissue |
| TM | Mussel Tissue |
| TO | Oyster Tissue |
| TP | Plant Tissue |
| TQ | Tissue QC |
| TW | Worm Tissue |
| TX | Tissue - Unk. Origin |
| V | Vapor |
| W | Water |
| WB | Field Blank Water |
| WC | Drilling Water |
| WD | Well Development Water |
| WE | Estuary |
| WF | Water Frozen |
| WG | Groundwater |
| WH | Equipment Wash Water |
| WL | Leachate |
| WM | Stormwater |
| WO | Ocean Water |
| WP | Drinking Water |
| WQ | Water QC |
| WR | Pore Water |
| WS | Surface Water |
| WT | Treatment System Water |
| WV | Vadose Zone Water |
| WW | Waste Water |
| WX | Water - Unk. Origin |
| WZ | Special Water QC |