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CHEMICAL CORPORATION OF, AMERICA
Pre - Operation Cleaning Report 7-004— ��5
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Certificate of Compliance
System Charged:
System: Heating Water System
Building: Alberta Rider Elementary School
Location:
Street: 14850 SW Terrace
City: Tigard
State: Oregon Zip: 97224
Requested By:
Name: Bill Schaefer / Wayne Miller
Company: Oregon Cascade Plumbing & Heating, Inc.
Date of Pre -Op Cleaning: October 17, 2005
Strength of Solution: .5% CHEMCOA 625
Time of Solution Circulation: 24 Hours
Date System Flushed: October 18, 2005
Comments: System was flushed until its water was the same as the
make -up water in conductivity.
CHEMICAL CORPORATION OF AMERICA
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Cliff Dearborn, CHEMCOA Service Engineer
October 19, 2005
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19535 S.W. 129TH AVENUE • TUALATIN, OR 97062 -8076 • PHONE 503/885 -8181 • FAX 503/885 -9701 COMPANY
CCB #80446
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CHEMICAL CORPORATION OF AMERICA
Corrosion Inhibitor
Certificate of Compliance
System Charged:
System: Heating Water System
Building: Alberta Rider Elementary School
Location:
Street: 14850 SW Terrace
City: Tigard
State: Oregon Zip: 97224
Requested By:
Name: Bill Schaefer / Wayne Miller
Company: Oregon Cascade Plumbing & Heating, Inc.
Date Charged: October 18, 2005
Comments: System was charged with 1,200 ppm of CHEMCOA 520,
Corrosion Inhibitor. Also added CHEMCOA CMB -515
Biocide.
CHEMICAL CORPORATION OF AMERICA
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Cliff Dearborn, CHEMCOA Service Engineer
October 19, 2005
Date
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19535 S.W. 129TH AVENUE • TUALATIN, OR 97062 -8076 • PHONE 503/885 -8181 • FAX 503/885 -9701 COMPANY
CCB #80446
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CHEMICAL CORPORATION OF AMERICA
Chlorination Report
Certificate of Compliance
System Chlorinated:
Water Main:
Piping: Domestic Water System
Building: Alberta Rider Elementary School
Location:
Street: 14850 SW Terrace
City: Tigard
State: Oregon Zip: 97224
Date of Chlorination: October 17, 2005
Strength of Chlorine Solution: 200 ppm
Time Chlorine in System: 3 hours
Date System Flushed: October 17, 2005
Location of Sampling Points: Cold: Drinking fountain — outside closed play area
Hot: Classroom D119 sink
Result(s) of Coliform Bacteria Test(s): Coliform absent, sample(s) pass test
Comments: No coliform present. Sample meets all EPA, APHA,
FDA and state Health requirements for domestic water.
CHEMICAL CORPORATION OF AMERICA
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Cliff Dearborn, CHEMCOA Service Engineer
October 19, 2005
Date
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19535 S.W. 129TH AVENUE • TUALATIN, OR 97062 -8076 • PHONE 503/885 -8181 • FAX 503/885 -9701 COMPANY
COB #80446