Publications

Weitz, K.; Kantner, D.; Kessler, A.; Key, H.; Larson, J.; Bodnar, W.; Parvathikar, S.; Davis, L.; Robey, N.; Taylor, P.; De la Cruz, F.; Tolaymat, T.; Weber, N.; Linak, W.; Krug, J.; Phelps, L. Review of Per- and Poly-Fluoroalkyl Treatment in Combustion-Based Thermal Waste Systems in the United States. Science of The Total Environment 2024, 932, 172658. https://doi.org/10.1016/j.scitotenv.2024.172658.
A. Titaley, I., De la Cruz, F., A. Barlaz, M., & A. Field, J. (2023). Neutral Per- and Polyfluoroalkyl Substances in In Situ Landfill Gas by Thermal Desorption–Gas Chromatography–Mass Spectrometry. Environmental Science & Technology Letters, 0(0). https://doi.org/10.1021/acs.estlett.3c00037
F De la Cruz, M Setz, M Barlaz, J Varsho, Landfill Codisposal of On-Site Vegetation and Coal Combustion Residuals: Implications for Gas Management ACS ES&T Engineering 3 (4), 500-508, 2023.
Doyle, M. G., Odenkirk, M. T., Stewart, A. K., Baker, E. S., De La Cruz, B. (2022). Assessing the Fate and Transformations of Dissolved Organic Compounds in Landfill Leachate and Wastewater Treatment Systems by High Resolution Mass Spectrometry. Environmental Science and Technology Water.
Muensterman, D.J.; Cahuas, L.; Titaley, I.A.; Schmokel, C.; De la Cruz, Florentino B.; Barlaz, M.A.; Carignan, C.C.; Peaslee, G.F.; Field, J.A. Per- and Polyfluoroalkyl Substances (PFAS) in Facemasks: Potential Source of Human Exposure to PFAS with Implications for Disposal to Landfills. Environ. Sci. Technol. Lett. 2022, ; 10.1021/acs.estlett.2c00019.
Florentino De la Cruz, Qiwen Cheng, Douglas Call, Morton Barlaz, Evidence of Thermophilic Waste Decomposition at a Landfill Exhibiting Elevated Temperature Regions, Waste Management, 2021
Sierra Schupp, Florentino De la Cruz, Qiwen Cheng, Douglas Call, Morton Barlaz, Evaluation of the temperature range for biological activity in landfills experiencing elevated temperatures Environmetal Science and Technology Engineering 2020
Ivan Titaley, Florentino De la Cruz, Jennifer Field, Correspondence on Release of Volatile Per- and Polyfluoroalkyl Substances from Aqueous Film-Forming Foam, 2020
Suzanne B. Hodgkins, Curtis J. Richardson, René Dommain, Hongjun Wang, Paul H. Glaser, Brittany Verbeke, Brittany R. Winkler, Alexander R. Cobb, Virginia I. Rich, Malak Missilmani, Neal Flanagan, Mengchi Ho, Alison M. Hoyt, Charles F. Harvey, S. Rose Vining, Moira A. Hough, Tim R. Moore, Pierre J. H. Richard, Florentino B. De La Cruz, Joumana Toufaily, Rasha Hamdan, William T. Cooper & Jeffrey P. Chanton. Tropical peatland carbon storage linked to global latitudinal trends in peat recalcitrance. Nature Communications, 2018
De la Cruz, F. B., Green, R., Hater, G., Chanton, J., Thoma, E., Harvey, T. and Barlaz, M. A. Comparison of Field Measurements to Methane Emissions Models at a New Landfill. Environmental Science and Technology, 2016,1021/acs.est.6b00415.
Lopez, V. M., De la Cruz, F. B. and Barlaz, M. A. Chemical Composition and Methane Potential of Commercial Food Wastes. Waste Management, 2016, 56, 477-490.
De la Cruz, F. B., Osborne, J., and Barlaz, M. A. Determination of Sources of Organic Matter in Solid Waste by Analysis of Phenolic Copper Oxide Oxidation Products of Lignin. Journal of Environmental Engineering, 2015, 10.1061/(ASCE)EE.1943-7870.0001038.
De la Cruz, F. B., Dittmar, T., Niggemann, J., Osburn, C., and Barlaz, M.A. Evaluation of Copper Oxide Oxidation for Quantification of Lignin in Municipal Solid Waste. Journal of Environmental Engineering Science, 2015, 32 (6), 486-496
De la Cruz, F. B., Yelle, D., Gracz, H. and Barlaz, M. A., Chemical Changes during Anaerobic Decomposition of Hardwood, Softwood and Old Newsprint under Mesophilic and Thermophilic Conditions. Agric. Food Chem., 2014, 62, 27, 6362-6374
De la Cruz, F. B. and Barlaz, M.A. Estimation of Waste Component-Specific Landfill Decay Rates Using Laboratory-Scale Decomposition Data. Sci. Technol. 2010, 44, 4722-4728.
Wang, X.; Padgett, J.M.; De la Cruz, F. B.; Barlaz, M.A. Wood Biodegradation in Laboratory-Scale Landfills. Sci. Technol. 2011,45, 6864–6871.
De la Cruz, F. B., Chanton, J. and Barlaz, M.A. Measurement of Carbon Storage in Landfills from the Biogenic Carbon Content of Excavated Waste Samples. Waste Management, 2013, 33, 10, 2001-2005
De la Cruz, F. B. and Barlaz, M. A., Development of a Model to Assess the Relative Sensitivity of Variables Controlling the Carbon Footprint of a Landfill, a report submitted to the Environmental Research and Education Foundation (EREF), January 2010.
De la Cruz, F. B., Migo, V. P., Valencia, S. A. and Demafelis, R. B. Optimization of the enzymatic extraction of oil from the seeds of Vutalao (Callophyllum inophyllum L.). Philippine Journal of Crop Science 2009, 34 (2), 38-47.
De la Cruz, F. B., Migo, V. P., Valencia, S. A. and Demafelis, R. B. Enzyme Mixtures for the Extraction of Oil from the Seeds of Vutalao (Calophyllum inophyllum L.). Philippine Journal of Crop Science 2007, 32 (3), 17-30.

Conference Presentations

De la Cruz, F. B., Titaley, I., Simonich, S., Field, J., Barlaz, M. Characterization and Quantification of Per- and Polyfluoroalkyl Substances in Landfill Gas and Estimate of Emissions from US Landfills, AWMA PFAS Conference 2020
De la Cruz, F. B., Chemical Changes during Anaerobic Decomposition of Hardwood, Softwood and Old Newsprint – Poste presentation (ENVR and SCI-MIX sessions), American Chemical Society National Meeting, San Francisco, California, April 2017.
De la Cruz, F. B., Sun, W., Sun, M. and Barlaz, M. A., Development of Methods to Measure Hydrogen Sulfide Production Potential of Sulfur-Containing Wastes – Oral Presentation, Coal Ash Management Forum, Charlotte Center City, NC, July 2016
De la Cruz, F. B. and Barlaz, M. A., How much Methane is Emitted from Landfills? – Oral presentation, US Indian Wells, CA, Oct. 2016.
De la Cruz, F. B. and Barlaz, M. A., How much Methane is Emitted from Landfills? – Oral presentation, US EPA, RTP, NC, Oct. 2015.
De la Cruz, F. B. and Barlaz, M. A., How much Methane is Emitted from Landfills? – Oral presentation, NCSU, Raleigh, NC, Sept. 2015.
De la Cruz, F. B. and Barlaz, M. A., How much Methane is Emitted from Landfills? – Oral presentation, ICLRS, Crystal River, Florida, Oct. 2014.
De la Cruz, F. B., Yelle, D., Gracz, H. and Barlaz, M. A., Chemical Changes during Anaerobic Decomposition of Hardwood, Softwood and Old Newsprint – Oral presentation, GWMS, Orlando, Florida, June 2014.
De la Cruz, F. B., Yelle, D., Gracz, H. and Barlaz, M. A., Chemical Changes during Anaerobic Decomposition of Hardwood, Softwood and Old Newsprint – Oral presentation, U.S. Forest Service, Forest Products Laboratory, Madison, Wisconsin, August 2013.
De la Cruz, F. B. and Barlaz, M. A., Hydrogen Sulfide Production from Different Sulfur-Containing Materials under Anaerobic Conditions – Oral presentation, GWMS, Phoenix, Arizona, Oct. 2012.
De la Cruz, F. B. and Barlaz, M. A., Effects of Temperature on the Decomposition of Lignin under Anaerobic Conditions – Oral presentation, GWMS, Phoenix, Arizona, Oct. 2012.
De la Cruz, F. B. and Barlaz, M. A., Hydrogen Sulfide Production from Different Sulfur-Containing Materials under Anaerobic Conditions – Poster presentation, ICLRS, Lulea, Sweden, June 2012.
De la Cruz, F. B. and Barlaz, M. A., Determination of Sources of Organic Matter in Landfill by Analysis of CuO Oxidation Products of Lignin – Oral presentation, ICLRS, Lulea, Sweden, June 2012.
De la Cruz, F. B. and Barlaz, M. A., Determination of Sources of Organic Matter in Landfill by Analysis of CuO Oxidation Products of Lignin – Oral presentation, Max Planck Research Group for Marine Geochemistry, University of Oldenburg, Institute for Chemistry and Biology of the Marine Environment (ICBM), Oldenburg, Germany, June 2012.
De la Cruz, F. B. and Barlaz, M. A., Determination of Sources of Organic Matter in Landfill by Analysis of CuO Oxidation Products of Lignin – Oral and Poster presentation, ICLRS, Hokkaido, Japan, June 2010.
De la Cruz, F. B. and Barlaz, M. A., Development of a Model to Assess the Relative Sensitivity of Variables Controlling the Carbon Footprint of a Landfill – Oral presentation, GWMS, San Antonio, Texas, Oct. 2010.
De la Cruz, F. B. and Barlaz, M. A., Determination of Sources of Organic Matter in Landfill by Analysis of CuO Oxidation Products of Lignin – Oral presentation, GWMS, San Antonio, Texas, Oct. 2010.
De la Cruz, F. B. and Barlaz, M. A., Methods to Estimate Carbon Sequestration from Excavated in Landfills – Oral presentation, Bioreactor Landfill Meeting, Chicago, Illinois, April 2009.
De la Cruz, F. B. and Barlaz, M. A., A Method to Estimate Carbon Storage from Excavated Refuse Samples – Oral and Poster presentation, Intercontinental Landfill Research Symposium (ICLRS), Copper Mountain, Colorado, Sept. 2008.
De la Cruz, F. B. and Barlaz, M. A., A Method to Estimate Carbon Sequestration from Excavated Refuse Samples –Poster presentation, Global Waste Management symposium (GWMS), Copper Mountain, Colorado, Sept. 2008

Awards

Puro.Earth Methodology Working Group (Terrestrial and Ocean Storage of Biomass)
Outstanding Teacher, Purdue University Spring 2023
Best Oral Research Presentation – Intercontinental Landfill Research Symposium, Crystal River, Florida 2014.
Second Best Oral Research Presentation – Global Waste Management Symposium, Phoenix, Arizona, Oct. 2012.
Best Poster Presentation – Intercontinental Landfill Research Symposium, Hokkaido, Japan, June 2010.