Ashland Specialty Chemical (253) 265-1827 Location Address 7805 31st St Nw Gig Harbor, WA 98335 Mailing Address 7805 31st St Nw Gig Harbor, WA 98335 Articles on Ashland Specialty Chemical Laffort USA adds Ashland to the portfolio of Laffort products. Products & Services Facilities & Construction Waste Disposal / Wastewater Treatment Wastewater Monitoring Wastewater Treatment Update Profile