1	1	Total (measures both dissolved and suspended)	W	Water
2	2	Dissolved (measures only dissolved portion)	W	Water
3	3	Suspended (measures only suspended portion)	W	Water
4	4	Total recoverable	W	Water
5	1	Wet (parameters are referred to as wet weight)	T	Tissue
6	4	Wet (parameters are referred to as wet weight)	T	Tissue
7	5	Dry (parameters are referred to as dry weight)	T	Tissue
8	6	Fat (some pollutants are soluble only in fats)	T	Tissue
9	1	Total sediment, particle size	S	Sediment
10	2	Bedload Sediment, sieve diameter	S	Sediment
11	3	Suspended sediment, sieve diameter	S	Sediment
12	4	Total sediment, sieve diameter/or wet weight analyses	S	Sediment
13	5	Total sediment, fall diameter (distilled water)/or dry weight analysis	S	Sediment
14	6	Total sediment, fall diameter (native water)	S	Sediment
15	7	Suspended sediment, fall diameter (distilled water)	S	Sediment
16	8	Suspended sediment, fall diameter (native water)	S	Sediment
17	9	Bed material, fall diameter	S	Sediment
18	1	Total (measures dissolved and suspended)	A	Air
19	2	Dissolved (measures only dissolved portion)	A	Air
20	3	Suspended (measures only suspended portion)	A	Air
21	1	Total (measures solid and liquid fractions)	D	Sludge
22	2	Liquid fraction only	D	Sludge
23	3	Solid fraction only	D	Sludge
24		Refers to pollutant analyses on soils, et al.	L	Land
25		Refers to pollutant measurements taken on industrial and municipal waste streams	E	Effluent and Influent
26		Refers to weather related parameters	M	Meteorological
27		Refers to pollutant analyses of foods	F	Food
28		Refers to analyses or measurements other than one described in this list	O	Other
