Hach 900 MAX - Manual (Page 58)

Page 56
Advanced Sampling
8990startup.fm
Section 3
The number of first flush bottles will depend on the sample volume
requirements in the NPDES permit.
b. Enter number of samples to collect using the numeric keypad.
c. Enter the first flush sampling interval. This is the time period between
sample cycles. The first flush samples are usually collected within
thirty minutes of the storm.
Variable time intervals may be entered or the same interval may be carried
through the entire first flush. Pressing
FINAL ENTRY carries the last displayed
interval through the remainder of the first flush sampling period.
d. Enter the first flush sample volume using the numeric keypad.
e. Enable or Disable Program Time Limit using the CHANGE CHOICE
key. When enabled, the Program Time Limit will stop all sampling
activity at the end of the time limit, however data logging will continue.
11:00 AM 21 - APR - 01 STORM WATER
ACCEPT FIRST FLUSH:
NUMBER OF BOTTLES:
CANCEL
1 CLEAR
ENTRY
ENTER: 1— 4
11:00 AM 21 - APR - 01 STORM WATER
ACCEPT FIRST FLUSH:
SAMPLER TO COLLECT:
CANCEL
6 CLEAR
ENTRY
ENTER 1 — 999
11:00 AM 21 - APR - 01 SETPOINT SAMPLING
ACCEPT FIRST FLUSH
INTERVAL:
CANCEL
(hrs:min) CLEAR
ENTRY
ENTER: 000:00 — 999:00 (hrs:min)
11:00 AM 21 - APR - 01 STORM WATER
ACCEPT FIRST FLUSH:
SAMPLE VOLUME
CANCEL
100 mL CLEAR
ENTRY
ENTER 10 — 9999