Although high purity TSP was used in this study, TSP for cleaning walls and lead abatement activities is available at home/builders supply stores. Most of the cleaning agents were purchased at a full line grocery store. The cleaning agents were selected to represent the range of commercial cleaning products that would reasonably be available to a consumer. Most brands were general all-purpose cleaners, hand or machine dishwashing products, laundry detergents, and bathroom, floor, and glass cleaners, while some brands were lead specific cleaners. Thirty-four cleaners were tested in this study: 32 commercially available cleaning agents, TSP, and tap water of average hardness. The objective of this laboratory study was to compare the cleaning efficacy of many commercially available cleaners that could be used to remove lead-contaminated dust from residential surfaces.

Because of the negative impact of phosphate detergents on the ecology of aquatic ecosystems, questions have arisen as to the scientific basis of recommending TSP and about the effectiveness of other cleaners. This recommendation has often been assumed to apply to the general cleaning of lead-contaminated dust during ongoing exposure reduction activities. The United States Environmental Protection Agency (EPA) has recommended the use of trisodium phosphate (TSP) detergent to clean lead-contaminated dust from surfaces, both after residential lead hazard control work to achieve post-abatement clearance standards and in general.

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