18002_Precision Dynamics Soil Sampling WP-Approval 20190228

From:Minnich, Carolyn
To:"Maas, John"
Cc:Kurt Hogan; Harriger, Joselyn
Subject:RE: [External] Precision Dynamics/ Heist Brewery Soil
Date:Thursday, February 28, 2019 11:34:00 AM
Attachments:Assessment Work Plan Checklist - November 2018.pdfimage002.png
John:

On this project, we are allowing for a more abbreviated work plan as you have outlined in the emails
below.  Pleas note, Sampling Methodology should meet the guideline listed in ESA Work Plan check
list which is attached. Such as field screen all the soil samples (PID readings, visual and olfactory
observations) and analysis the one with highest reading for VOCs. If all non-detect, collect from
center portion.  3 point composites for SVOCs and Metals, grab samples for VOCs.  Request Level II
QA/QC and include J flags in the lab report.

Use the check list section 7 for the letter report.  It needs to include these items as it applies to your
project.  If you have questions or comments, please contact me.  The scope of work you outlined
below is approved for soil export sampling. 

From: Maas, John <[e-mail]> 
Sent: Wednesday, February 27, 2019 11:39 AM
To: Minnich, Carolyn <[e-mail]>
Cc: Kurt Hogan <[e-mail]>; Harriger, Joselyn <[e-mail]>
Subject: RE: [External] Precision Dynamics/ Heist Brewery Soil

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Carolyn,

Thanks for taking my call. To summarize for the others, we clarified the location of the proposed soil
excavation as shown in the attached map and will proceed with the original plan of collecting a
composite soil characterization sample. Per the EMP, the soil would be submitted to an off site
laboratory (likely Prism Labs) for the following analyzes:  
- Volatile organic compounds (VOCs) by EPA Method 8260 
- Semi-volatile organic compounds (SVOCs) by EPA Method 8270 
- Metals –Hazardous Substance List -14 (antimony, arsenic, beryllium, cadmium, chromium 
(speciated according to IHSB protocol, CrIII and
CrVI), copper, lead, manganese, mercury, nickel, selenium, silver, 
thallium, and zinc) 

We propose compositing the sample from the 3 locations indicated on the attached figure, with the
exception of the VOC sample only coming from the middle location. The area of proposed soil
excavation is an approximately 140 ft by 40 ft mounded soil berm. It’s highest point is approximately
4’ above the ground level immediately south, and it slopes down from the middle to the edges.
Assuming an average thickness of 2-2.5 feet, we are conservatively anticipating removing 400-500
cubic yards of soil. The soil samples will be vertically composited within each boring as well, and will
be advanced using a hand auger.

I spoke with the NCBLG, and they are fine with me stamping this as an individually licensed geologist
if needed.

Let me know if I missed anything,

John

From: Maas, John 
Sent: Wednesday, February 27, 2019 10:57 AM
To: 'Minnich, Carolyn' <[e-mail]>
Cc: Kurt Hogan <[e-mail]>; Harriger, Joselyn <[e-mail]>
Subject: RE: [External] Precision Dynamics/ Heist Brewery Soil

Hey Carolyn,

I found a subsequent soil assessment report on Laserfiche dated May 2014 (attached), where
additional background samples were collected on the now adjacent parcel west due to those high
background metals concentrations you saw in the February 2014 report. It is my understanding that
some time during 2014 or after, the parcel was subdivided into eastern (Precision Dynamics/ Heist)
and western (County owned, pool) halves. The May 2014 report details soil sampling performed on
the county property side along the new parcel boundary. The February 2014 higher background
concentration samples for CrVI were further on the interior of the country parcel (BG-1, BG-2) than
the May 2014 samples (HA-1, 2 and 3). HA-1 and HA-2 are the closest borings to the proposed area
of excavation and were non-detect for CrVI.

I’ve attached a marked up soil sample location map with the approximated area of the proposed soil
excavation. I’ll give a call soon to discuss.

Thank you!

John

John Maas, PGSenior GeologistDirect: [phone]
Mobile: [phone]www.woodplc.com

From: Minnich, Carolyn <[e-mail]> 
Sent: Tuesday, February 26, 2019 3:58 PM
To: Maas, John <[e-mail]>
Cc: Kurt Hogan <[e-mail]>; Harriger, Joselyn <[e-mail]>
Subject: RE: [External] Precision Dynamics/ Heist Brewery Soil

John:

I am back in the office and reviewed historical data on the Precision Dynamics Site. The area for soil
removal has 2 samples from 2014 labeled Background. The levels of hexavalent chromium were
higher than one would expect in an area for background.  We would need additional data in this area
for export.  The results will effect where the soil can be taken. You may need to find a site that is
restricted to non-residential use.  If exported to a landfill, we do not a work plan or additional
sampling, the landfill will tell you what they need. If exported to another BF site or , we do need
work plan, the letter report with certified result sealed by the PG/PE.  This may add more cost that
Mr Hogan wants to spend.  Take a look at the reports in Laserfiche. You may find this one
interesting.    In the LURU Redevelopment Report, Mr Kurt Hogan will need to tell DEQ Brownfields
where he exported the soil and provide documentation.  We can set up a conference call to discuss
in more detail if that would be helpful. 

Sincerely,

From: Maas, John <[e-mail]> 
Sent: Tuesday, February 26, 2019 1:08 PM
To: Minnich, Carolyn <[e-mail]>
Subject: [External] Precision Dynamics/ Heist Brewery Soil

CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an
attachment to [e-mail]

Hi Carolyn,

I’ve been helping Kurt Hogan with Heist Brewery with navigating the environmental requirements
for their site in regards to soil management. As I believe he has already mentioned, they are
interested in expanding their parking lot and excavating into a soil berm in the northwest corner of
the parcel (see attached approximate area Kurt sent me). I read over the EMP and pulled some
tables and figures from the Ph II and additional soil assessments. I’ll give a call soon, just wanted to
share these documents with you for easy reference in our discussion.

Thanks,

John

John Maas, PGSenior GeologistDirect: [phone]Mobile: [phone]www.woodplc.com

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