practical alternatives assessment -...
TRANSCRIPT
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Practical
Alternatives Assessment
Larry Garcia
Sr. Environmental Analyst
Seattle City Light
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Chemical Approval Program
Chemical Use Policy mandated by the
Seattle City Council in 1995
City Light Policy adopted in 1998
No carcinogens, halogenated solvents,
endocrine modifiers, PBT if safer alternative
No ozone depleting
Minimize hazardous waste
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Why?
City Policy
PBT resolution
Regulatory Compliance
Pollution Prevention
L&I
Economics
Reduced Waste Disposal
Reduced Protective Engineering
Respect for our Staff
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Approvals
• Status
– Preferred Product
– Preferred Product –
WT02
– Substitute if
Possible
– Not Approved
– No Feasible
Substitute
• Hazard
–Tier 1
–Tier 2
–Tier 3
–Tier 4
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Welding Electrodes
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Professional Associations
American Welding Society (AWS) A5.12
German Welding Society (DVS) oder Die-verbindungs-spezialisten
Lanthanated
Yttrium, cerium and zirconium options are also available
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Paint Strippers
Methylene Chloride
N-Methyl Pyrrolidone (NMP)
Caustics
Alkyl Phenol Ethoxylates
N-propyl bromide
Dimethyl Sulfoxide
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Product Name Manufacturer Active Ingredients Approval pH F.P.
Lead Out Solucorp NMP >50%
Substitute if
Possible - Tier 2 Prop 65
Instrip EaCoChem Soy Preferred Product
AcryliStrip EaCoChem NMP, naptha, 2-butoxyethanol
Substitute if
Possible - Tier 2 7.5 155 Prop 65
Stripper Cream EaCoChem KOH, NaOH
Substitute if
Possible - Tier 2 13.5 NA
Stripsol LO EaCoChem NMP, 2-butoxyethanol
Substitute if
Possible - Tier 2 7.5 >155 Prop 65
Smart Strip Dumond benzyl alcohol Preferred Product 6 NA TiO2
Smart Strip Pro Dumond benzyl alcohol and formic acid
Substitute if
Possible - Tier 2 2 NA
aquatic
toxin
Smart Strip 1 HD Dumond CaOH, NaOH, MgOH
Substitute if
Possible - Tier 2 13 NA
Peel Away 1 Dumond CaOH, NaOH
Substitute if
Possible - Tier 2 12 NA
Peel Away 7 Dumond NMP, benzyl alcohol
Substitute if
Possible - Tier 2 6 >200 Prop 65
Peel Away Marine Safety Strip Dumond NMP, dibasic ester, NPE Not Approved 6 >200 Prop 65
Peel Away Marine Strip II Dumond CaOH, NaOH, MgOH
Substitute if
Possible - Tier 2 12 >200
Peel Away ST-1 Dumond CaOH, NaOH
Substitute if
Possible - Tier 2 12 NA
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Paint
First Choice Paint Contract
MPI – GPS certified complied
Greenwise complied
Greenseal and Ecologo complied – though
mostly irrelevant
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Janitorial Products
Green Janitorial Contract
Established environmental and safety criteria (GreenSeal and Ecologo meet these criteria)
Vetted products were tested by city janitorial staff by use
Products that performed well by task formed our Approved Janitorial Products list.
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Exceptions
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Confusing Items
Environmentally preferred product on the
Montreal Protocol Class II ozone depleting
substance phaseout list.
Greenwashing