Attn. Windsurfers , Update

From: Duane Sandul (sandul@stat.net-DeleteThis)
Date: Thu Mar 13 1997 - 06:20:02 PST


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To: wind_talk@opus.hpl.hp.com-DeleteThis
From: Duane Sandul <sandul@stat.net-DeleteThis>
Subject: Attn. Windsurfers , Update

SBSA Coliform Study update through 3/7/97

Summary & Interpretation
During the past several weeks SBSA has maintained the discharge of fecal
coliform bacteria in the 2-3 range. The bacterial levels on the Bay have
declined slightly during this period.The results from the Bay remain well
below the water quality objectives.

Details
All units are MPN/100mL (ie. most probable number of fecal coliform bacteria
per 100 milliliters of sample) expressed as a 5-day log mean. The water
quality objective is 200 MPN/100 mL (5-day log mean) for water contact
activities and 500 MPN/100mL (5-day log mean) for non-water contact
activities.

update for samples collected through: 2/11/97
           2 MPN in SBSA effluent
         20 MPN above SBSA outfall
         14 MPN at 500 yards southeast of outfall
         18 MPN at 500 yards northwest of outfall
         28 MPN at 1000 yards northeast of outfall

update for samples collected through: 2/13/97
           2 MPN in SBSA effluent
         14 MPN above SBSA outfall
         14 MPN at 500 yards southeast of outfall
         11 MPN at 500 yards northwest of outfall
         17 MPN at 1000 yards northeast of outfall

update for samples collected through: 2/18/97
           2 MPN in SBSA effluent
         10 MPN above SBSA outfall
           7 MPN at 500 yards southeast of outfall
         10 MPN at 500 yards northwest of outfall
           9 MPN at 1000 yards northeast of outfall

update for samples collected through: 2/20/97
           2 MPN in SBSA effluent
         10 MPN above SBSA outfall
          7 MPN at 500 yards southeast of outfall
          8 MPN at 500 yards northwest of outfall
          6 MPN at 1000 yards northeast of outfall

update for samples collected through: 2/24/97
           3 MPN in SBSA effluent
         14 MPN above SBSA outfall
         10 MPN at 500 yards southeast of outfall
          8 MPN at 500 yards northwest of outfall
          7 MPN at 1000 yards northeast of outfall

update for samples collected through: 2/28/97
           3 MPN in SBSA effluent
         13 MPN above SBSA outfall
           7 MPN at 500 yards southeast of outfall
          7 MPN at 500 yards northwest of outfall
          7 MPN at 1000 yards northeast of outfall

update for samples collected through: 3/6/97
           3 MPN in SBSA effluent
         12 MPN above SBSA outfall
          4 MPN at 500 yards southeast of outfall
          8 MPN at 500 yards northwest of outfall
          4 MPN at 1000 yards northeast of outfall



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