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2=08-1996 12: 13PM FROM RHL PETALUMA 7656835 <br /> WhLLU1=WVM0U1=S VtlUSV11-`.1V00 alae iY s.ca rnuu� <br /> A130NORTN17RIVE `� ��••v�,••'� ,� 26DI AjlnJ RSTREET <br /> PO BOX 939 CONTAINMENT BAKERSI;IBLO,CA933o1 <br /> OAKS,PA 19456 14C TEL SOS:-;17-7255 <br /> 77 FAX 805:%27.9065 <br /> TEL 610.666-77 <br /> FAX 61 0-66653 21 JAMES L. 'WIIELDEN Felt 41 5:266-S729 <br /> DISTRICT MANAGER <br /> For Cudjfornza,A Nevada <br /> February 8, 1996 <br /> Craig Mortensen <br /> R_ H. Lee & Associates <br /> 1137 North McDowell Blvd_ <br /> Petaluma, CA 94954-1469 <br /> RE: Compatibility of SP4500 secondary containment piping and various fuels. <br /> Dear Craig, <br /> The following is a description of a portion the test protocol followed by U-iderwriters' <br /> Laboratories of Canada when they evaluated Envirotlex® secondary piping prior to <br /> their listing it as suitable for secondary containment for flammable liquids": <br /> 5.1 IMMERSION AND AGING TEST OF SECONDARY CONTAINMENT MA"7ERIAL <br /> 5.1.2 The test coupons shall be totally immersed in the following environments for a <br /> period of 180 d: <br /> A controlled atmosphere at 230C and 35 to 40% humidity; <br /> }3 Sodium hydroxide (5% by mass) at 23aC: <br /> a Acetic acid (504 by mass) at 230C; <br /> L2 Controlled atmosphere at 7000; <br /> The following liquids maintained at a temperature of 3800; <br /> E ASTM reference fuels A and C, <br /> E ASTM Reference oils Nos. 2 and 3; <br /> Benzene; <br /> H Distilled water, <br /> L Hydrochloride acid (5%); <br /> ,f Nitric acid (5%); <br /> K Gasoline, premium and regular unleaded; <br /> L Sodium carbonate - Sodium bicarbonate solution (pH10); <br /> ll Saturated Sodium Chloride; <br /> N Sulfuric Acid (pH3); <br /> 0 Toluene; <br /> P Ethanol; <br /> Q_ Methanol <br /> * ULC Listing Card dated; December 6, 1993 File CMH 1385/CMH 1422 <br /> Sincerely, <br /> James L Wheiden <br /> District Manager, TCI <br /> cc, TCI corporate file <br />