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Page 54
Advanced Sampling
8990startup.fm
Section 3
15-E. Enter the Start Time #1, press ACCEPT to continue. Enter Stop Time #
and press
ACCEPT to continue.
15-F. Continue entering Start and Stop times until finished. To exit and save
entries, enter a blank time and date. Press
CLEAR ENTRY and then
press
ACCEPT to continue to Storm Water.
Step 16 - Storm Water
EPA regulations for storm water discharges require monitoring of
precipitation, flow, and water samples in order to assess the impact of storm
or snow melt runoff on receiving waters. The manufacturer can help you
create a storm water monitoring system that consists of a multiple bottle
sampler, an external flow meter, and a tipping bucket rain gauge.
In addition to performing basic sampling routines, 900 MAX Series Samplers
that are equipped with the storm water monitoring program have the following
additional capabilities:
• The storm water sampling routine allows collection of automatic grab
sample(s) at user-selectable timed intervals (up to 24 different intervals
may be selected) during the storm's early stage or “first flush.” First flush
grab and main program flow weighted composite samples are
automatically segregated. The first flush sample volume may be set
independently of the sample volume for the flow weighted composite.
• The special storm water program allows an external device to initiate the
start of the sampling program. A dry contact closure across Pins B and D
on the Auxiliary receptacle, held closed for at least 61 seconds, is
required.
• When sampling with multiple bottles, the sampler can be programmed to
collect one large “first flush” sample (or small multiple samples) at timed
interval(s). The number of bottles segregated for the first flush sample is
selectable. Concurrently, flow weighted samples are collected from the
beginning of the storm until all remaining bottle(s) are filled, or after a user
selected time has elapsed.
11:00 AM 21 - APR - 01 START/STOP TIMES
ACCEPT
PROGRAM START # 1
CHANGE
AM/PM
(TIME:DAY)
CLEAR
ENTRY
CHANGE
DAY
HIT CLEAR, THEN ACCEPT, AFTER LAST ENTRY
11:00 AM 21 - APR - 01 START/STOP TIMES
ACCEPT
PROGRAM STOP # 1
CHANGE
AM/PM
(TIME:DATE)
CLEAR
ENTRY
CHANGE
DAY
HIT CLEAR, THEN ACCEPT, AFTER LAST ENTRY