Maryland Biological Stream Survey

​​​​​​​​​​​​​​Registry of Certifications


​The applicants listed below attended an instructional session, passed the written Benthic Macroinvertebrate Laboratory Processing and Subsampling test, and successfully subsampled a MBSS benthic sample – including a sorting efficiency test.

Applicants Certified in MBSS Benthic Macroinvertebrate Processing and Subsampling
​​ (Certification valid for three years, including the year certified.) ​​​​


​​First NameLast NameEmail AddressAffiliation​Year Certified​
JasonClingermanjason@allstarecology.comAllstar Ecology, Inc.2023
MaddieGencoemgenco@enviroscienceinc.comEnviroScience, Inc.
2023
AaronNemeyeraaron@allstarecology.comAllstar Ecology, Inc.2023
MeganPaynempayne@ecoanalysts.comEcoanalysts, Inc.2023
Sam​
Groatsgroat@mwcog.orgMetropolitan Washington Council of Governments2023
DanIsenbergDaniel.Isenberg@montgomerycountymd.govMont. County Dept. ​of Environmental Protection2023
DaveJordahlDave.Jordahl@montgomerycountymd.govMont. County Dept. ​of Environmental Protection2023
WilliamGreenWilliam.Green@montgomerycountymd.govMont. County Dept. ​of Environmental Protection2023
MikeColemikebcole@comcast.netCole Ecological, Inc.2023
JoeGirgentejoeg@cri.bizCoastal Resour​ces, Inc.2024
Brian​​
Carlsonbrian@waterlandsolutions.comWater and Land Solutions2025
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