| 01 | Dermal |
| 02 | Inhalation |
| 03 | Oral |
| 04 | Impulse Current |
| 05 | Impluse Surge Life |
| 06 | Impulse |
| 07 | Insulation Resistance |
| 08 | Inter-Electrode Capacitance |
| 09 | Direct Current |
| 11 | Contact Material is in contact with testing device |
| 12 | Immersion |
| AG | Auger Method whereby a sample is collected (from a stockpile, railcar, truck, or barge) by a tool that bores into the lot to be sampled |
| CT | Car Top Sample Method whereby a sample is randomly collected from a railcar, barge, or shiphold |
| FL | Flow Sample Method whereby a sample is collected from a conveyor belt by moving a cutter device entirely across the stream at a uniform speed |
| MA | Manual Sample Method whereby a sample is selected by human discretion |
| ME | Mechanical Sample Method whereby a sample is collected in precise accord with previously assigned rules on timing or location, free of bias |
| PC | Closed Cup |
| PO | Open Cup |
| SB | Stop Belt Sample Method whereby a sample is collected from a loaded conveyor belt that is stopped, and a full cross-section cut is removed from the stream |
| SP | Stockpile |