Specifications include, but are not limited to: RIHousing seeks to engage qualified laboratories to provide quantitative analytical services to test for and report on the presence of lead in dust, paint, water, and soil. Timely sample preparation, analysis, and result reporting are critical to the LSHP operation. All laboratories submitting proposals must, at a minimum, be ELLAP certified. Laboratory services shall include the following: 1. Analysis of environmental samples to the following tolerances: a. dust wipes – in micrograms per square foot to a tolerance of <10.0 μg/sq. ft. b. paint chips – in parts per million to a tolerance of <10.0 ppm c. water – in parts per billion to a tolerance of <5.0 ppb d. soil – in parts per million to a tolerance of <10.0 ppm