The following paragraphs are from the EPA website. Note that D-Lead (No. 3 below) works on plaster and drywall. However, the company is reportedly lagging in having the product available for the current big demand and you may not be able to find it right away.
At this moment, LeadCheck (No. 1 below) is not recognized to be used on plaster and drywall, but the company says that recognition will be coming soon.
The EPA's wording follows:
Currently, a lead test kit can be EPA-recognized if it meets the negative response criterion of no more than 5 percent false negatives, with 95 percent confidence for paint containing lead at or above the regulated level, 1.0 mg/cm2 or 0.5 percent by weight. The recognition of such kits will last until EPA publicizes its recognition of the first test kit that meets both the negative response and positive response criteria outlined in the 2008 Renovation, Repair and Painting (RRP) rule.
To date, EPA has recognized three lead test kits for use in complying with the false negative response criterion of the RRP rule. They are the LeadCheck®, the State of Massachusetts kit, and D-Lead®.
1. LeadCheck
EPA recognizes that when used by a certified renovator, the LeadCheck® lead test kit can reliably determine that regulated lead-based paint is not present on wood or ferrous metal (alloys that contain iron). This kit is not recognized for use on plaster and drywall.
Certified renovators seeking to use the LeadCheck® kit for purposes of meeting requirements in the RRP Rule can purchase the LeadCheck® kits from either LeadCheck® directly or from certain retail outlets. LeadCheck® is manufactured by Hybrivet Systems, Inc. To order a Hybrivet System LeadCheck® test kit call 508-651-7881 or e-mail Hybrivet at [email protected].
2. State of Massachusetts
EPA recognizes that when used by trained professionals the State of Massachusetts lead test kit can reliably determine that regulated lead-based paint is not present on wood, drywall and plaster; it is not recognized for use on ferrous metal (alloys that contain iron).
3. D-Lead
Based on the results of the Environmental Technology Verification (ETV) study of vendor-submitted lead test kits, EPA recognizes that when used by a certified renovator the D-Lead® Paint Test Kit manufactured by ESCA Tech, Inc., can reliably determine that regulated lead-based paint is not present on wood, ferrous metal (alloys that contain iron), drywall and plaster surfaces.
Certified renovators seeking to use the D-Lead® Paint Test Kit for purposes of meeting requirements in the RRP Rule can purchase it from certain distributors and retail outlets. To locate a distributor or retailer visit www.esca-tech.com, e-mail [email protected] or call (414) 962-3006.
For any questions pertaining to the recognition of these kits, contact Sam Brown of EPA at 202-566-0490 or by email at [email protected].
Source: EPA website
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