- BEFORE THE ILLINOIS POLLUTION CONTROL BOARD
IN THE MATTER OF:
WATER QUALITY STANDARDS AND
EFFLUENT LIMITATIONS FOR THE
CHICAGOAREA WATERWAY SYSTEM
AND THE LOWER DES PLAINES RIVER:
Adm.
- To be more precise, we are revising slightly
our suggested language.
- The Lemont Refinery has done additional aquatic investigations, including for the very
species which USEPA and IEPA opine should exist.
- In particular:
• no Ceriodaphnia has been found in the lower esse and the larger class of Cladocera
(water fleas, of which Ceriodaphnia is a species) decline as water temperatures cool;
none were found after October.
- 5 As to "a sound scientific rat...
R08-9(D),121214 PC# 1423 Citgo,PDV Lemont FrstNtc ... 
