Media codes

"Media codes" are numbers that correspond to a type of analysis for a specific media (solid, water, gas, etc.).

Media codes

Only one media code can be used per submission file. Media Code descriptions are for isotopes unless otherwise stated.

Media Code	Element(s)	Desired Service
21	dissolved gases - all	concentrations of N₂, O₂, CH₄, 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
74	S - special	%S - Elemental concentrations of organic S with high %C (special)
92	N - special	%N - Elemental concentrations of INorganic solids (special)
132	gas mixture - all	concentrations of N₂, O₂, CH₄, CO₂, C1-C5, in a gas

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)

Media Code	Element(s)	Service desired
1	H & O	Isotopes of "fresh" potable water (salinity less than 4PSU, LGR or Picarro)
4	H - only	Isotopes of "saline" or contaminated water (salinity greater than 4PSU)
6	H & O	Isotopes of "saline" or contaminated water (salinity greater than 4PSU)
7	H & O	Isotopes of "fresh" water on Gasbench
12	H	Isotopes of dissolved methane, ethane, propane gas (pure or in a mix)
16	H	Isotopes of dissolved butane 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
123	H - only	Isotopes of methane, ethane, propane, butane gas
129	H - only	Isotopes of butane gas (pure or in a mix)

Media Code	Element(s)	Desired Service
11	C	Isotopes of dissolved methane, ethane, propane gas
15	C	Isotopes of dissolved butane 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)
triple	C & N & S	Isotopes of select organic solids, triple isotope ¹³C¹⁵N³⁴S
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, ethane, propane gas
128	C	Isotopes of butane gas

Media Code	Element(s)	Service Desired
8	N & O & Ar	Isotopes of dissolved air (Gasbench)
23	C & N	Isotopes of organic solids (EA)
29	C & N	Isotopes of organic liquids (EA)
50	N - only	Isotopes of organic solids (EA)
triple	C & N & S	Isotopes of select organic solids, triple isotope ¹³C¹⁵N³⁴S
51	N - only	Isotopes of organic liquids (GC)
52	N - only	Isotopes of inorganic solids or liquids (EA)
53	N - only	Isotopes of organic liquids (EA)
93	N - only	Isotopes of dissolved nitrogen (Gasbench)
101	N - only	Isotopes of N₂ gas (GCIsolink)
131	N & O & Ar	Isotopes of air (Gasbench)

Media Code	Element(s)	Service Desired
1	H & O	Isotopes of "fresh" potable waters (salinity less than 4PSU, LGR or Picarro)
5	O - only	Isotopes of saline or contaminated waters (Gasbench)
6	H & O	Isotopes of saline waters (4PSU or greater, Gasbench)
7	H & O	Isotopes of "fresh" contaminated waters (Gasbench)
8	N & O & Ar	Isotopes of dissolved air (Gasbench)
32	O - only	Isotopes of organic solids (EA)
81	O - only	Isotopes of inorganic sulphate 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	N & O & Ar	Isotopes of air (Gasbench)

Media Code	Element(s)	Service Desired
triple	C & N & S	Isotopes of select organic solids, triple isotope ¹³C¹⁵N³⁴S
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)
64	S	Isotopes of organic S in liquids (EA)
70	S	Isotopes of sulphates (EA)
75	S	Isotopes of organic S with high %C (special)
78	S	Isotopes of organic S, special 1-tube set-up (very low S amounts)