vii
SAMPLE PROCEDURE
Name of
used
Method 8048
PHOSPHORUS, REACTIVE (0 to 2.50 mg/L PO
4
3-
)
For water, wastewater, seawater
(also called: Orthophosphate) PhosVer 3 (Ascorbic Acid) Method*
(Powder Pillows or AccuVac Ampuls),
USEPA accepted for reporting**
USING POWDER PILLOWS
1. Install DR/700
module
81.01
in the instrument.
2. Press: l/O
The display will show
810 nm
and module number
81.01
3. After 2 seconds,
the display will show a
program number,
concentration units,
decimal position and
the zero prompt. If
necessary, press the
UP
ARROW
key until the
lower display shows
program number
81.02.1
*Adapted from Standard Methods for the Examination of Water and Wastewater.
**Procedure is equivalent to USEPA method 365.2 and Standard Method 4500-P-E for wastewater.
81-47
Procedure
identification
number
Procedure name
Range with
units of
measure
Acceptance of
method by
USEPA if
applicable
Instrument
display
Reference for
method used
Keystrokes
required
Procedure
step
method
Type of
samples
analyzed
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