Brief Records : EPA National Library Catalog

Items Found: 227

Showing Items: 226 - 227

Your Search: (SUBJECT=Biological indicators)

PREV 1 2 3 4 5 6 7 8 9 10
OLS Field Name OLS Field Data
Full Record Document Number: 226
Main Title What can biological monitoring tell us about the environmental health of aquatic ecosystems /
Author Hughes, Robert M.
Other Authors
Author Title of a Work
Hughes, Robert M.
CORP Author NSI Technology Services Corp., Corvallis, OR.;Corvallis Environmental Research Lab., OR.
Publisher U.S. Environmental Protection Agency, Environmental Research Laboratory,
Year Published 1989
Report Number EPA/600/D-89/113; ERL-COR-1052D; EPA-68-C8-0006
Stock Number PB90-113127
OCLC Number 45130754
Subjects Stream ecology--Congresses. ; Indicators (Biology)--Congresses.
Additional Subjects Toxicology ; Site surveys ; Water quality ; Aquatic ecosystems ; Environmental quality ; Biological indicators
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB90-113127 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 01/01/1988
Collation 21 pages ; 28 cm

Full Record Document Number: 227
Main Title Zoomicrobial Indicators of Water Pollution.
Author Chang., Shin L. ;
CORP Author National Environmental Research Center, Cincinnati, Ohio
Year Published 1972
Stock Number PB-260 126
Additional Subjects Water pollution sampling ; Biological indicators ; Aquatic ecosystems ; Microorganisms ; Zooplankton ; Indicator species ; Effluents ; Algae ; Water quality ; Waste treatment ;
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB-260 126 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 21p

PREV 1 2 3 4 5 6 7 8 9 10