(Centered-Restrained) October 11, 2002 Pipe Line Seal & SS Casing Spacers, Insulator, Inc. S8G-2 and S12G-2 Approved April 24, 1996 (Centered-Restrained) Powerseal Pipeline SS Casing Spacer Products Corp. (Centered-Restrained) Approved August 11, 1998 Raci North America Raci Casing Spacers Approved August 9, 2007 Advanced Products & Casing Spacer Systems, Inc. (Centered-Restrained) Approved June 22, 1999 PIPE & FITTINGS * See Note 2 Contech Const. A-2000 Conditional Products, Inc. PVC Pipe Approval March 10, 1989 NovoPipe SP-2000 Pipe lining Approved April 22, 2002 Ladtech HDPE Adjusting Approved April 22, 2002 Concrete Pipe & Concrete Pipe for Products, Inc. Sanitary Sewer Ltd Approval April 4, 1990 Carlon Vylon H.C. Pipe Ltd Approval February 20, 1990 Recon Pipe Corp. PVC Pipe Fittings Ltd Approval February 16, 1995 Spriolite Corp. Spirolite HDPE Pipe Ltd Approval March 19, 1996 Extrusion Pipe Technologies, Inc (15"-30") Approved December 7, 1995 HERCO Plastics DFW Flexible Coupling Approved July 18, 1996 Extrusion Ultra Corr PVC Pipe Technologies, Inc Approved June 22, 1999 MANHOLES * See Note 3 Precast Forsheda for Precast Manhole Approved Grandfathered Winchester Bldg. Precast Concrete Supply Co., Inc. Manhole Approved September 29, 1993 Press-Seal Gasket Press Boot Manhole Corporation Connector Approved June 14, 1994 NPC Internal Seal Approved September 21, 1995 American Step Manhole Steps, ML-10, Company ML-11, and I-11 24, 1996 Approved American Step Co.Inc. Standard Manhole Step Approved August 24, 1998 Press Seal Gasket PSX Positive Seal Corporation Manhole Connector Approved October 24, 1996 Press Seal Gasket PSX Series Six Corporation Manhole Connector Approved October 24, 1996 Press Seal Gasket 4G and 4F Profile
(Centered-Restrained) October 11, 2002 Pipe Line Seal & Insulator, Inc. SS Casing Spacers, S8G-2 and S12G-2 (Centered-Restrained) Approved April 24, 1996 Powerseal Pipeline Products Corp. SS Casing Spacer (Centered-Restrained) Approved August 11, 1998 Raci North America Raci Casing Spacers Approved August 9, 2007 Advanced Products & Systems, Inc. Casing Spacer (Centered-Restrained) Approved June 22, 1999 PIPE & FITTINGS * See Note 2 Contech Const. Products, Inc. A-2000 PVC Pipe Conditional Approval March 10, 1989 NovoPipe SP-2000 Pipe lining Approved April 22, 2002 Ladtech HDPE Adjusting Approved April 22, 2002 Concrete Pipe & Products, Inc. Concrete Pipe for Sanitary Sewer Ltd Approval April 4, 1990 Carlon Vylon H.C. Pipe Ltd Approval February 20, 1990 Recon Pipe Corp. PVC Pipe Fittings Ltd Approval February 16, 1995 Spriolite Corp. Spirolite HDPE Pipe Ltd Approval March 19, 1996 Extrusion Technologies, Inc Pipe (15"-30") Approved December 7, 1995 HERCO Plastics DFW Flexible Coupling Approved July 18, 1996 Extrusion Technologies, Inc Ultra Corr PVC Pipe Approved June 22, 1999 MANHOLES * See Note 3 Precast Forsheda for Precast Manhole Approved Grandfathered Winchester Bldg. Supply Co., Inc. Precast Concrete Manhole Approved September 29, 1993 Press-Seal Gasket Corporation Press Boot Manhole Connector Approved June 14, 1994 NPC Internal Seal Approved September 21, 1995 American Step Company Manhole Steps, ML-10, ML-11, and I-11 Approved 24, 1996 American Step Co.Inc. Standard Manhole Step Approved August 24, 1998 Press Seal Gasket Corporation PSX Positive Seal Manhole Connector Approved October 24, 1996 Press Seal Gasket Corporation PSX Series Six Manhole Connector Approved October 24, 1996 Press Seal Gasket 4G and 4F Profile
USM%20Approved%20Products%20List.docx