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Steven Ash, IPM-PCA Associates

Steven Ash Phone: 415-454-9615

Owner Fax:

71 Clark Street Website:

San Rafael CA 94901-3653 Email: [email protected]

Service Categories: structural commercial school

landscape residential golf course

other: rights of way, public lands, government agencies

IPM Consulting and Training, IPM Publications, Licensed Pest Control Advisor

What is your definition of Integrated Pest Management (IPM)?

Decision-making process that uses monitoring to determine pest levels and set thresholds, uses cultural, mechanical, physical, biological and educational methods to manage pests at acceptable levels. Uses least-toxic chemical methods as a last resort . Uses monitoring to determine effectiveness of treatment actions and evaluate IPM strategy.


Is pest management performed on a specific schedule?

Monitoring is performed on a specific schedule, but not treatment action.

How are pest problems identified?

Pests are indentified through monitoring and identification of pests. They are monitored through direct field observation.

What practices do you use to prevent and/or control pests?

Monitor, cultural, physical, mechanical, biological and edcational methods


Do you use biological controls?

Beneficial organisms and competitive planting


Do you use borates?

Recommend for ant management

Do you use synthetic chemicals?


What are the top 10 pesticides you use/sell/recommend?

Bt, M-pede (Potassium laurate), EcoExempt HC (2-Phenethyl Propionate, eugenol), AQ-10, Botanigard (Beauveria bassiana GHA)

If pesticides are used, how much are used per year of each?

Minimal amounts and as a last resort, applied as spot treatments.

Does your company perform habitat modification?

Yes, weed fabric and mulch

Do you use any physical or mechanical controls?

Yes, copper banding to exclude snails

What type of fertilizers do you use/sell/recommend?

Organic fertilizers or slow release synthetic fertilizers


What do you usually use/sell/recommend for addressing:

termites N/A

cockroaches N/A

fleas N/A

carpenter ants N/A

fire ants N/A

ants (indoor) N/A

crabgrass DNR

dandelions DNR

How do you evaluate effectiveness of your pest management

Monitoring before and after treatment actions have been performed and keeping records of monitoring activities to gain a historical perspective.


Debi Raphael, Toxics Reduction Program Manager, S.F. Dept of Environment, 11 Grove Street, San Francisco, CA 94102, 415-355-3711; Kirk Lemington, Resource Ecologist and IPM Coordinator, City of Santa Cruz, 323 Church Street, Santa Cruz, 95060, 831-420-5364.