HomeMy WebLinkAboutFile Documents.124 W Hallam St.0025.2017 (57).ARBK e e rn n
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189 County Road 135
Glenwood Springs,CO 81601
(970) 274-3139
Final Clearance Letter
For
308 N. 1st St.
Aspen, CO 81611
July 13th, 2017
Prepared for
Quetzal Environmental
4728 Ireland Ct.
Aurora, CO
Element Environmental Project Number
Quetzal 061217 Koru
Prepared By:
Joshua Johnson
CDPHE Air Monitoring Specialist #18401
CDPHE Asbestos Consulting Firm #21640
RECEIVED
09/14/2017
ELEMENT ENVIRONMENT
ASPEN
BUILDING DEPARTMENT
Element Environmental Date: 07/13/2017
189 County Rd. 135
Glenwood Springs, CO 81601
(970) 274-3139
josh@elementenv.co
Client: Quetzal Environmental
Dear Quetzal Environmental,
I am pleased to offer you this report for work performed at the reference site.
On July 13th, 2017 Mr.Joshua Johnson with Element Environmental performed final clearances at 308 N. 1st.
The final clearances consist of a visual inspection for dust and debris and ambient air sampling. The clearance
consisted of 1 containment.This included the entire house and attached ADU.All of the ACM drywall was
removed from the house.
Mr.Joshua Johnson CDPHE AMS#18401 performed a visual inspection per the CDPHE guidelines and found no
visible dirt or debris.After the visual inspection was complete air samples were taken of the work area. Five
samples were taken from each of the work areas.
The air samples were analyzed by PCM (Phase Contrast Microscopy) per the NIOSH 7400 method. All samples
must below 0.01 f/cc in order to pass the air clearance. All samples were below the limit amount.
Per Colorado Reg 8 Part B guidelines. The work area is now clear for occupancy or normal work to
resume.
Please note: Any suspect asbestos containing materials (ACM) remaining should be assumed to contain
asbestos unless they are properly tested and analyzed by a CDPHE accredited inspector.All work performed
MUST follow appropriate EPA, CDPHE, OSHA, and local government guidelines to protect the employees,
occupants, and the environment.
Joshua Johnson Air Monitoring Specialist#18401
RECEIVED
09/14/2017
ELEMENT ENVIRONMENT
ASPEN
BUILDING DEPARTMENT
e e m e n t
ENVIRONMENTAL Date:07/13/2017
189 County Road 135 Client:Quetzal Environmental
Glenwood Springs,CO 81611 Job Name:Quetzal 061217 Koru
(970)274-3139 Date Analyzed:07/13/2017
josh@elementenv.co Time Requested:ASAP
AIHA Pat Proficient Lab#220213 Method:NIOSH 7400
Analyst:J.Johnson
Sample# Volume(L) #Fields #Fibers I f/mm2 f/cc and f/mm2 Fibers/cc
Fiber Density Detection Limit
713-1 900 100 10 12.7 0.003 0.005
713-2 900 100 11 14.0 0.003 0.005
713-3 900 100 10.5 13.3 0.003 0.005
713-4 900 100 11.5 12.7 0.003 0.006
713-5 900 100 12 15.2 0.003 0.006
713-6 0 100 0 1.3 7 f/mm2 BDL
713-7 0 100 0 1.3 7 f/mmZ BDL
NIOSH 7400 Method Limit of Detection=7 f/mmZ for filter area
CDPHE(MAAL)Maximum Allowable Asbestos Leve1.01f/cc
*BDL=Below Detectable Limit
RECEIVED
09/14/2017
ELEMENT ENVIRONMENT
ASPEN
BUILDING DEPARTMENT
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fit °' �' i Commission Regulation No. 8,Part B,and is hereby certified by the ;a:4
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#4124 Issued: February 15, 2017 EEC
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RECEIVED
09/14/2017
ELEMENT ENVIRONMENT
ASPEN
BUILDING DEPARTMENT
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THE NIOSH 582 EQUIVALENT COURSE
SAMPLING&EVALUATING AIRBORNE ASBESTOS DUST 1
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RECEIVED
09/14/2017
ELEMENT ENVIRONMENT
ASPEN
BUILDING DEPARTMENT