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MINIMUM CONTAINER MAXIMUM
TYPE OF ANALYSIS SIZE TYPE PRESERVATION HOLD TIME
SEDIMENTS, TISSUES AND ORGANICS
General chemistry 200 g P, W keep cool, 4°C 72 h
EOX, Extractable Organic Halides 50 g G, Solv, Fc freeze (dry ice) 6 mo
Metals 100 g P, W (T) keep cool, 4°C 72 h
Organic Carbon 100 g P or G keep cool, 4°C 72 h
Organics - Semivolatile 200 g G, A, W, Solv freeze (dry ice) 6 mo
Organics - Volatile 50 g G, W, Solv, B freeze (dry ice) 14 d
Particle Size Analysis 100 g dry wt P or G keep cool, 4°C 72 h
PQ-8 (copper 8, copper quinolate) 100 g G (A), W, Solv freeze (dry ice) 6 mo
ANALYSES WITH LIMITED SHELF LIFE
pH, Turbidity, Acidity, Alkalinity 72 h
Ammonia, TKN, Nitrate, Nitrite 72 h
Portho, total, total dissolved 72 h
bacteria 48 h
LEGEND
P = plastic G = glass
B = Baked T = Tissue Cup
Solv = solvent cleaned A = amber
Fc = foil lined cap W = wide mouth
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