Media Codes
Quantitative
| Media Code | Element(s) | Desired Service |
|---|---|---|
| 21 | dissolved gases - all | concentrations of N2, O2, CH4, CO, CO2, C1-C5 dissolved in water |
| 40 | C | ppmC of toc/doc (concentrations) in FRESH water & tic/dic SAL & FRESH |
| 56 | NCHS | %NCHS - Elemental concentrations of solids or liquids |
| 57 | NCS | %NCS - Elemental concentrations of solids or liquids |
| 58 | NC | %NC - Elemental concentrations of solids or liquids |
| 59 | O | %O - Elemental concentrations of solids or liquids |
| 67 | C | ppmC of toc/doc (concentrations) in SALINE water |
| 132 | gas mixture - all | concentrations of He, H2, N2, O2, CH4, CO, CO2, C1-C5, in a gas |
| 135 | gas mixture - N2O | concentration of N2O in a gas mixture |
Carbonate Isotopes
| Media Code | Element(s) | Desired Service |
|---|---|---|
| 45 | C &/or O | Isotopes of calcite |
| 46 | C &/or O | Isotopes of dolomite/ankerite (specify in comments) |
| 47 | C &/or O | Isotopes of siderite |
| 48 | C &/or O | Isotopes of magnesite |
| 49 | C &/or O | Isotopes of other mineral (specify in comments) |
Hydrogen Isotopes
| Media Code | Element(s) | Service desired |
|---|---|---|
| 1 | H & O | Isotopes of "fresh" water (salinity less than 3PSU) (Temporarily Unavailable) |
| 4 | H - only | Isotopes of "saline" or contaminated water (salinity greater than 3PSU) |
| 6 | H & O | Isotopes of "saline" or contaminated water (salinity greater than 3PSU) |
| 12 | H | Isotopes of dissolved methane gas (pure or in a mix) |
| 14 | H | Isotopes of dissolved ethane gas (pure or in a mix) |
| 16 | H | Isotopes of dissolved propane gas (pure or in a mix) |
| 30 | H - only | Isotopes of organic solids (bulk analysis) |
| 33 | H - only | Isotopes of organic solids (exchange method) |
| 34 | H | Isotopes of organic liquids (GC) |
| 82 | H - only | Isotopes of inorganic solids |
| 102 | H - only | Isotopes of pure hydrogen gas |
| 123 | H - only | Isotopes of methane gas |
| 125 | H - only | Isotopes of ethane gas |
| 127 | H - only | Isotopes of propane gas |
Carbon Isotopes
| Media Code | Element(s) | Desired Service |
|---|---|---|
| 11 | C | Isotopes of dissolved methane gas |
| 13 | C | Isotopes of dissolved ethane gas |
| 15 | C | Isotopes of dissolved propane gas |
| 19 | C - only | Isotopes of dissolved CO2 (other than tictoc / dicdoc) |
| 22 | C - only | Isotopes of organic solids |
| 23 | C & N | Isotopes of organic solids |
| 28 | C - only | Isotopes of organic liquids |
| 29 | C & N | Isotopes of organic liquids |
| 41 | C | toc/doc isotopes of fresh waters (< 12 PSU) |
| 42 | C | tic/dic isotopes of fresh or saline waters |
| 44 | C | Isotopes of inorganic solids (graphite) |
| 68 | C | toc/doc isotopes of saline waters (> 12 PSU) |
| 69 | C | toc/doc isotopes of enriched saline waters (> 12 PSU) |
| 100 | C & O | Isotopes of CO2 in air |
| 120 | C & O | Isotopes of pure CO2 in break seals |
| 121 | C | Isotopes of CO2 (low concentrations; gc/pre-con) |
| 122 | C | Isotopes of methane gas |
| 124 | C | Isotopes of ethane gas |
| 126 | C | Isotopes of propane gas |
Nitrogen Isotopes
| Media Code | Element(s) | Service Desired |
|---|---|---|
| 23 | C & N | Isotopes of organic solids EA) |
| 50 | N - only | Isotopes of organic solids (EA) |
| 51 | N - only | Isotopes of compound specific organic liquids (GC) |
| 52 | N - only | Isotopes of inorganic solids or liquids (EA) |
| 53 | N - only |
Isotopes of organic liquids (EA) |
| 101 | N | Isotopes of N2 gas |
| 131 | Ar & N & O | Isotopes of gaseous air (gasbench) |
Oxygen Isotopes
| Media Code | Element(s) | Service Desired |
|---|---|---|
| 1 | H & O | Isotopes of fresh (less than 3PSU) waters (LGR) (Temporarily Unavailable) |
| 5 | O-only | Isotopes of saline or contaminated waters (gasbench) |
| 6 | H & O | Isotopes of saline or contaminated waters (gasbench) |
| 32 | O | Isotopes of organic solids (EA) |
| 81 | O | Isotopes of inorganic solids (excludes silicates) |
| 86 | O (18O & 17O) | Isotopes of dissolved oxygen (gasbench) |
| 100 | C & O | Isotopes of CO2 in air (gasbench) |
| 120 | C & O | Isotopes of CO2 (in break seals) |
| 131 | Ar & N & O | Isotopes of gaseous air (gasbench) |
Sulphur Isotopes
| Media Code | Element(s) | Service Desired |
|---|---|---|
| 60 | S | Isotopes of sulphides (EA) |
| 61 | S | Isotopes of inorganic S in whole rock or sediment |
| 63 | S | Isotopes of organic S in solids (EA) |
| 70 | S | Isotopes of sulphates (EA) |
| 103 | S | Isotopes of SO2 gas |