MIL-HDBK-1005/9A
Table 24 (Continued)
Recommendation for Sample Collection and
Preservation According to Measurement
Container1
Holding Time2
Measurement
Volume
mL
Cool, 4C (39.2F)
Ammonia
400
P,G
24 h
H2SO4 to pH<2
Cool, 4C (39.2F)
24 h5
Total Kjeldahl
500
P,G
H2SO4 to pH<2
Cool, 4C (39.2F)
24 h5
Nitrate plus
100
P,G
nitrite
H2SO4 to pH<2
Cool, 4C (39.2F)
Nitrate
100
P,G
24 h
Cool, 4C (39.2F)
Nitrite
50
P,G
48 h
Dissolved Oxygen:
Probe
300
G only
None
No holding
Winkler
300
G only
Fix on site
4 to 8 h
Phosphorous:
Orthophosphate,
50
P,G
Filter on site
24 h
dissolved
Cool, 4C (39.2F)
24 h5
Hydrolyzable
50
P,G
H2SO4 to pH<2
Cool, 4C (39.2F)
24 h5
Total
50
P,G
H2SO4 to pH<2
24 h5
Total, dissolved
50
P,G
Filter on site
Cool, 4C (39.2F)
H2SO4 to pH<2
Cool, 4C (39.2F)
Silica
50
P only
7d
Cool, 4C (39.2F)
Sulfate
50
P,G
7d
Sulfide
500
P,G
2 ml zinc acetate
24 h
Sulfite
50
P,G
None
No holding
Organics:
Cool, 4C (39.2F)
BOD
1000
P,G
24 h
7 d5
COD
50
P,G
H2SO4 to pH<2
Cool, 4C (39.2F)
Oil and Grease
1000
G only
24 h
H2SO4 or HCL to
pH<2
Cool, 4C (39.2F)
Organic carbon
25
P,G
24 H
H2SO4 or HCL to
pH<2
H2SO4 or HCL
Cool, 4C (39.2F)
Phenolics
500
G only
24 h
H2PO4 to pH<4
1.0 g CuSO4/1
Cool, 4C (39.2F)
MBAS
250
P,G
24 h
Cool, 4C (39.2F)
NTA
50
P,G
24 h
208
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