| 01 | Dermal | 
| 02 | Inhalation | 
| 03 | Oral | 
| 04 | Impulse Current | 
| 05 | Impulse 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 |