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MIT - Cambridge, MA | Notice of Intent for the Noncontact Cooling Water General Permit (NCCWGP)10-08-2008
The transition from the yolk sac larvae to preflexion larvae, which is marked by the complete absorption of the yolk sac, occurs at a length of 3.17 mm ... The yolk is yellowish and granular, with a single 0.52mm diameter oil globule (Wang & Kernehan, 1979; in Wang, 1986 ...
http://www.epa.gov/region1/npdes/nccwgp/noi/2008/MassInstituteofTechno... (PDF)
Draft Final Report on Avian Dosing Study11-07-2005
206 Estradiol and Testosterone in F1a-P1A Egg Yolks (n=1-4. 231 Estradiol and Testosterone in F1b-P1B Egg Yolks (n=1-4.
http://www.epa.gov/endo/pubs/edmvac/avian_report_072205.pdf (PDF)
Response to Public Comment: Regulations Addressing Cooling Water Intake Structures for Phase II Existing Facilities04-03-2009
Organized by Author; Monday, March 29, 2004
http://www.epa.gov/waterscience/316b/phase2/comments/author-ph2.pdf (PDF)
Fish Screening Assay Discussion Paper 9/18/200612-19-2007
... of 87 androgen receptor agonists may also manifest as lowered yolk deposition in oocytes (Ankley et al 2003... androgens in the fathead minnow include effects on spermatogenesis and yolk deposition in oocytes (Makynen et al 2000), and increased oocyte ...
http://www.epa.gov/endo/pubs/ref-3_fish_assay_discussionpaper.pdf (PDF)
Response to Public Comment, by Subject: Regulations Addressing Cooling Water Intake Structures for Phase II Existing Facilities04-03-2009
Organized by Subject; Monday, March 29, 2004
http://www.epa.gov/waterscience/316b/phase2/comments/subject-ph2.pdf (PDF)
Microsoft Word - Fish Assay Discussion Paper_4-13-06.doc04-14-2006
... to strong androgen receptor agonists may also manifest as lowered yolk deposition in Fish Screening Assay Discussion U.S... androgens in the fathead minnow include effects on spermatogenesis and yolk deposition in oocytes (Makynen et al 2000), and increased oocyte ...
http://www.epa.gov/endo/pubs/edmvac/fish_assay_discussion_paper_041306... (PDF)
Microsoft Word - PhaseII-report-DT-VII.doc07-08-2003
Medaka exhibiting craniofacial deformity, hemorrhages, and yolk sac edema at hatch following in ovo exposure to Woods ... Rainbow trout exhibiting craniofacial deformity, hemorrhages, pericardial edema, and yolk sac rupture at hatch following in ovo exposure.
http://www.epa.gov/region1/ge/thesite/restofriver/reports/final_era/Su... (PDF)
ECOTOXicology Database System08-12-2009
AI kg/ha active ingredient grams per centimeter of diameter breast height active ingredient grams per experimental unit active ingredient ...
http://cfpub.epa.gov/ecotox/blackbox/help/codeappendix.pdf (PDF)
PII: S0166-445X(99)00065-X04-13-2000
... spaces along veins creating the appearance of channels through the yolk and termed yolk sac edema... first appeared around vitelline veins at the margins of the yolk sac (yolk edema) and upon continued exposure, edematous fluid reached, filled and ...
http://www.epa.gov/ncer_pubs/full_text/24536.pdf (PDF)
Page Title | About the Gulf Ecology Division | US EPA11-23-2009
... complex process, the ovary develops telolecithal oocytes that attain a diameter of 38.8 ± 2.4 mm. The morphology of yolk platelets shows gradual changes throughout the oogenic process.
http://www.epa.gov/ged/publica/c2324.htm (HTML)

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