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Lesson 1 – In-House Resources

In-house Sources

The best way to start gathering data for your HPD is to check in-house sources of product information.

We suggest the steps below to get started:

•Determine the hierarchy of the product: assembly, part/component, sub-component, material,  substance. This is useful in identifying and organizing data to be gathered and gaps in that data.

•Create an Inventory of product contents – materials and substances – of available information based on this hierarchy. Many use a spreadsheet to organize this information. Sources can include:

•Supplier HPDs;
•certificate of analysis and results of product testing;
•bill of materials;
•SDS, TDS, etc. for final product and each ingredient (material/substance);
•shipping receipts, etc.

•Use the process outlined in “Best Practices” on the HPDC website to evaluate residuals and impurities that might be present in your product.

•If you are using the Nested Material Inventory method, you must include all materials and, for each material, you need to list the data specified in the Standard.

•For both Nested Material Inventory method and Basic Inventory method, you must list all substances and materials that are above the selected reporting threshold, as specified in the Standard.

•Check to determine if any materials or substances might be considered Special Conditions by HPDC and if so, go to “Emerging Best Practices: Special Conditions” to learn how to handle these materials or substances.

•Identify materials/substances that are trade secrets and should be reported as proprietary.