|
|
| Index: |
 |
 |
| Conventional Inorganic Analyzes |
| Category |
Methods
|
Min. Qty.
|
Recommended Containers
|
Required Preservaton
|
Holding Time
|
| -Aqueous Samples | |||||
|
Alkalinity
|
310.1-2
|
100 mL
|
Plastic or Glass Bottle
|
Cool to 4° C
|
14 Days
|
|
Bromide
|
300.0
|
100 mL
|
Plastic or Glass Bottle
|
None
|
28 Days
|
|
Chloride
|
300.0
|
50 mL
|
Plastic or Glass Bottle
|
None
|
28 Days
|
|
Chlorine, Total Residual
|
300.0
|
200 mL
|
Plastic or Glass Bottle
|
None
|
Analyze Immediately
|
|
Cyanides
|
335.1-3
|
500 mL
|
Plastic or Glass Bottle
|
Remove Sulfied NaOH to pH >12, Cool
to 4° C
|
14 Days
|
|
Fluoride
|
300.0
|
100 mL
|
Plastic or Glass Bottle
|
None
|
28 Days
|
|
Ammonia
|
350.1-3
|
400 mL
|
Plastic or Glass Bottle
|
Sulfuric Acid to pH <2
|
28 Days
|
|
Total Kjeldahl Nitrogen
|
351.1-4
|
500 mL
|
Plastic or Glass Bottle
|
Sulfuric Acid to pH <2, Cool to 4°
C
|
28 Days
|
|
Nitrate
|
300.0
|
100 mL
|
Plastic or Glass Bottle
|
Cool to 4° C
|
48 Hours
|
|
Nitrite
|
300.0
|
50 mL
|
Plastic or Glass Bottle
|
Cool to 4° C
|
48 Hours
|
|
Orthophosphate
|
365.1-3
|
50 mL
|
Glass Bottle Only
|
Filter (0.45 um), Cool to 4° C
|
48 Hours
|
|
Oxygen, Dissolved
|
360.1
|
300 mL
|
Glass Bottle Only
|
None
|
Analyze Immediately
|
|
Phosphorus, Total
|
365.1-4
|
50 mL
|
Glass Bottle Only
|
Sulfuric Acid to pH <2, Cool to 4°
C
|
28 Days
|
|
Silica
|
370.1
|
50 mL
|
Plastic Bottle Only
|
Cool to 4° C
|
28 Days
|
|
Sulfate
|
300.0
|
50 mL
|
Plastic or Glass Bottle
|
Cool to 4° C
|
28 Days
|
|
Sulfide
|
376.1-2
|
500 mL
|
Plastic or Glass Bottle, 2 mL Zinc Acetate,
Cool to 4° C
|
NaOH to pH >12
|
7 Days
|
|
Sulfite
|
377.1
|
50 mL
|
Plastic or Glass Bottle None
|
None
|
Analyze Immediately
|
| Conventional Organic Analyzes |
| Category |
Methods
|
Min. Qty.
|
Recommended Containers
|
Required Preservaton
|
Holding Time
|
| -Aqueous Samples | |||||
|
Biochemical Oxygen Demand (5 Day BOD)
|
405.1
|
1 L
|
Plastic or Glass Bottles
|
Cool to 4° C
|
48 Hours
|
|
Chemical Oxygen Demand (COD)
|
410.1-4
|
50 mL
|
Plastic or Glass Bottle
|
Sulfuric Acid to pH <2, Cool to 4°
C
|
28 Days
|
|
Organic Carbon Total (TOC)
|
415.1
|
25 mL
|
Plastic or Glass Bottle
|
Sulfuric Acid to pH <2, Cool to 4°
C
|
28 Days
|
|
Phenolics
|
420.1-3
|
500 mL
|
Glass Bottle Only
|
Sulfuric Acid to pH <2, Cool to 4°
C
|
28 Days
|
|
Surfactants (MBAS)
|
425.1
|
250 mL
|
Plastic or Glass Bottle
|
Cool to 4° C
|
48 Hours
|