gretchengehrke 56 research notes and 289 wiki edits
I'm the Data and Advocacy Steward with Public Lab, and am an avid environmentalist living in Durham, North Carolina. My background is in environmental geochemistry, and I am interested in the intersections and overlaps between environmental science and social justice. Joining Public Lab, I am looking forward to getting involved in environmental protection in a more tangible way.
33 questions asked
31 answers posted
6 activities posted
0 activities attempted
Joined over 4 years ago
Can MiniVol (TAS Particulate Matter Monitor) measure Black Carbon or Elemental Carbon?
stevie asked about 12 months ago
What is a good resource for learning about chemical and toxicological information?
gretchengehrke asked about about 1 year ago
answered on Mar 21, 2018 2
Show all 1 answers »How do I do website change detection and notification?
Accepted
cfastie asked about about 1 year ago
The difference between medical particle monitoring and your particle monitoring?
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Ag8n asked about about 1 year ago
answered on Mar 06, 2018 0
Show all 1 answers »What are good humidity sensor/monitors to use with gas sampling kits?
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gretchengehrke asked about about 1 year ago
Formaldehyde levels
Ag8n asked about about 1 year ago
answered on Jan 16, 2018 1
Show all 1 answers »Can you use rubbing alcohol or nail polish remover for prepping copper for Hydrogen Sulfide test?
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zengirl2 asked about over 1 year ago
answered on Nov 30, 2017 1
answered on Dec 06, 2017 0
answered on Jan 22, 2018 0
answered on Mar 09, 2018 0
Show all 4 answers »Does Pennsylvania have air quality standards for hydrogen sulfide?
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gretchengehrke asked about over 1 year ago
answered on Nov 30, 2017 0
Show all 1 answers »Are there occupational exposure rules limiting exposure to hydrogen sulfide?
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gretchengehrke asked about over 1 year ago
answered on Nov 30, 2017 0
Show all 1 answers »Are there air quality standards for hydrogen sulfide?
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gretchengehrke asked about over 1 year ago
answered on Nov 30, 2017 0
Show all 1 answers »How to select a site for hydrogen sulfide testing?
warren asked about over 1 year ago
answered on Nov 28, 2017 0
answered on Nov 30, 2017 0
answered on Dec 04, 2017 0
Show all 3 answers »When is it better to do grab sampling versus other types of monitoring?
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stevie asked about over 1 year ago
answered on Oct 11, 2017 0
Show all 1 answers »How does the EPA measure things, especially the size of dust particles?
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kgradow1 asked about over 1 year ago
Who is developing smart-form?
liz asked about over 1 year ago
answered on Sep 26, 2017 0
Show all 1 answers »Where can someone send a strange substance found on their property for analysis?
bbutler asked about over 1 year ago
answered on Jan 30, 2018 0
Show all 1 answers »How do I collect a sample for laboratory analysis?
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warren asked about over 1 year ago
Natural Disinfectant
Mempet asked about over 1 year ago
answered on Sep 05, 2017 1
Show all 1 answers »What are soil sampling protocols being used by groups along the gulf coast?
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stevie asked about over 1 year ago
answered on Sep 05, 2017 0
answered on Sep 07, 2017 0
answered on Sep 07, 2017 0
answered on Jan 30, 2018 0
Show all 4 answers »What do the terms attainment and nonattainment mean?
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liz asked about over 1 year ago
What is the best low-cost or DIY microscope to use with a group?
gretchengehrke asked about over 1 year ago
What is your favorite program to plot data from a data logger?
gretchengehrke asked about over 1 year ago
answered on Aug 03, 2017 0
answered on Aug 03, 2017 0
answered on Aug 04, 2017 0
answered on Aug 16, 2017 0
Show all 4 answers »Can commercially available water sensors work with DIY data loggers?
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gretchengehrke asked about over 1 year ago
View these maps at MapKnitter.org »
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gretchengehrke was awarded the Basic Barnstar by warren for their work published in Case Study: Using Aerial Imagery to Pressure Industrial Polluters into Stormwater Compliance .
gretchengehrke was awarded the Basic Barnstar by warren for their work published in Intended Purposes for Different Tools and Techniques.
gretchengehrke was awarded the Basic Barnstar by stevie for their work published in EPA Method 9: Visual Determination of the Opacity of Emissions from Stationary Sources.
gretchengehrke was awarded the Basic Barnstar by Noasdop for their work published in How do you find industrial WPDES permit details? .
