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|  MIL-P-20632B(SH)
(1) Undissolved (free) water (BS&W). At least six influent
samples shall be drawn directly into a 100 ml graduated
centrifuge tube for free water determination
(2) Gravimetric analysis
At least six influent samples shall be
drawn into a 32 oz. bottle for gravimetric analysis
(b) Undissolved [free) water determination (BS&W)
Undissolved water
shall be determined in accordance with ASTM D 2709 (i e centri-
fuge , 100 mil capillary tip test tubes)
Undissolved water shall
be determined to nearest 10 p/m
The water in oil shall be as
specified in 4.6.8.1.(b)
(c) Gravimetric analysis (solids content). Gravimetric analysis for
solid contaminant shall be in accordance with ASTM D 2276
Analysis shall be performed on entire sample
The solids
contaminate injection shall be as specified in 4 6 8 1 (c)
4 6 8.3 2 Effluent test methods.
Effluent quality test methods shall be as
follows:
The sample cock shall be fully opened and 200
(a)
Sampling procedures
ml shall be drawn
The 200 ml shall be discarded
Samples shall
then be obtained as follows
(1)
Undissolved (free) water and gravimetric analysis
A sample
of at least 800 ml shall then be collected for analysis,
At least 500 ml shall be
without closing the sample valve
used for gravimetric analysis and at least 300 ml used for
determination of undissolved water
(2)
Water rejection (oil in water)
At least one sample shall be
collected in accordance with ASTM D 3370
The sample shall
be prepared in accordance with ASTM D 3921
(b)
Gravimetric analysis (solids removal)
Gravimetric analysis for
solid contaminant shall be in accordance with ASTM D 2276
(c)
Undissolved (free) water
Undissolved water shall be derermined in
accordance with ASTM D 3240
Undissolved water shall be deter-
mined to the nearest 1 p/m
Water rejection (oil in water).
(d)
The oil in-water analysis shall be
determined in accordance with ASTM D 3921
4.6.9 Surge load test.
The sample unit shall proccess influent with water
The
concentration of 50 percent when operating at 50 percent of rated capacity
purified effluent shall show not more than 0. 3 percent water by volume
The ability of the unit to remove solids and
4.6.10 Solids retention test.
A solids
water shall not decline as the solids retention capacity is approached
retention test shall be performed during which effluent samples are taken at
regular intervals as the purifier is run from a clean bowl condition to the point
These samples shall
when the calculated solids retention capacity is approached
be analyzed as specified in 4.6.8.3. The analyses shall verify that all the
samples comply with the performance specified in 4.6.8.2.
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