Practical

Alternatives Assessment

Larry Garcia

Sr. Environmental Analyst

Seattle City Light

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

Why?

City Policy

PBT resolution

Regulatory Compliance

Pollution Prevention

L&I

Economics

Reduced Waste Disposal

Reduced Protective Engineering

Respect for our Staff

Approvals

• Status

– Preferred Product

– Preferred Product –

WT02

– Substitute if

Possible

– Not Approved

– No Feasible

Substitute

• Hazard

–Tier 1

–Tier 2

–Tier 3

–Tier 4

Welding Electrodes

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

Paint Strippers

Methylene Chloride

N-Methyl Pyrrolidone (NMP)

Caustics

Alkyl Phenol Ethoxylates

N-propyl bromide

Dimethyl Sulfoxide

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

Paint

First Choice Paint Contract

MPI – GPS certified complied

Greenwise complied

Greenseal and Ecologo complied – though

mostly irrelevant

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.

Exceptions

Confusing Items

Environmentally preferred product on the

Montreal Protocol Class II ozone depleting

substance phaseout list.

Greenwashing