Comprehensive Procurement Guidelines for Railroad Grade Crossing Surfaces
EPA designated the following railroad grade crossing surface products under the Comprehensive Procurement Guidelines (CPG) program to promote the use of materials recovered from municipal solid waste. Recycled-content recommendations for each item are listed below.
On this page:
- Recommended Specifications for Rubber Railroad Grade Crossings
- Recommended Standards for Purchasing Concrete Railroad Grade Crossing Surfaces
Recommended Specifications for Rubber Railroad Grade Crossings
EPA recommends that procuring agencies use the below American Society of Testing and Materials (ASTM) standards when purchasing rubber railroad crossings.
| ASTM Specification Number | Title |
|---|---|
| D 2000-96 | Rubber Products in Automotive Applications |
| D 2240-97 | Rubber Property -- Durometer Hardness |
| D 412-97 | Vulcanized Rubber and Thermoplastic Rubbers and Thermoplastic Elastomers -- Tension |
| D 297-93 | Rubber Products -- Chemical Analysis |
| E 303-93 | Measuring Surface Frictional Properties Using the British Pendulum Tester |
| D 1171-94 | Rubber Deterioration -- Surface Ozone Cracking Outdoors or Chamber (Triangular Specimens) |
| D 573-88 | Deterioration in an Air Oven |
| D 395-89 | Rubber Property -- Compression Set |
| D 257-93 | DC Resistance or Conductance of Insulating Materials |
| D 2137-94 | Rubber Property -- Brittleness Point of Flexible Polymers and Coated Fabrics |
Recommended Standards for Purchasing Concrete Railroad Grade Crossing Surfaces
EPA recommends that procuring agencies use the below ASTM and American Association of State Highway and Transportation Officials (AASHTO) standards when purchasing concrete railroad grade crossing surfaces.
| Specification Number | Title |
|---|---|
| ASTM C 595 | Standard Specification for Blended Hydraulic Cements |
| ASTM C 150 | Standard Specification for Portland Cement |
| AASHTO M 240 | Blended Hydraulic Cements |
| ASTM C 618 | Standard Specification for Fly Ash and Raw or Calcined Natural Pozzolan for Use as a Mineral Admixture in Portland Cement Concrete |
| ASTM C 311 | Standard Methods of Sampling and Testing Fly Ash and Natural Pozzolans for Use as a Mineral Admixture in Portland Cement Concrete |