This is our most general reference set. It includes 100 prepared slides of the most commonly found atmospheric and settled dust particles, each mounted in Meltmount 1.662. This set will prove helpful for air sampling, identifying contaminants, pollution control, quality control analysis, and training programs.

Slides included:

1. Diatoms 2. Radiolaria 3. Alternaria 4. Foraminifera 5. Insect parts 6. Seed hairs 7. Trichomes 8. Pine pollen 9. Red oak pollen 10. Ragweed pollen 11. Timothy grass pollen 12. Cottonwood pollen 13. Sugar maple pollen 14. Puffball spores 15. Wheat starch 16. Potato starch 17. Corn starch 18. Rice starch 19. Sawdust 20. Mechanical hardwood 21. Mechanical softwood 22. Chemical softwood 23. Chemical hardwood 24. Straw 25. Sisal 26. Cotton 27. Flax 28. Hemp 29. Silk 30. Wool 31. Hair (caucasoid) 32. Hair (negroid) 33. Hair (mongoloid) 34. Dog hair 35. Cat hair 36. Rabbit hair 37. Horse hair 38. Deer hair 39. Dandruff 40. Viscose rayon 41. Acetate 42. Triacetate 43. Orlon 44. Nylon 45. Kevlar 46. Dacron 47. Dynel 48. Polypropylene 49. Glass fiber 50. Mineral wool

51. Ceramic fiber 52. Chrysotile 53. Amosite 54. Crocidolite 55. Heated Amosite 56. Tremolite 57. Brucite 58. Vermiculite 59. Biotite 60. Muscovite 61. Talc 62. Amphibole (hornblende) 63. Apatite 64. Calcite 65. Corundum 66. Feldspar 67. Gypsum 68. Olivine 69. Beryl 70. Quartz - wind worn 71. Quartz - water worn 72. Ground glass 73. Pumice 74. China clay 75. Coal 76. Cement 77. Catalyst (petroleum) 78. Metal shavings 79. Welding dust 80. Fly ash - incinerator 81. Fly ash - power plant 82. Auto exhaust emission 83. Carborundum 84. Polishing compound 85. Jeweler's rouge 86. Chrome yellow 87. Burnt sienna 88. Titanium white 89. Ammonium nitrate 90. Tea dust 91. Coffee dust 92. Pepper 93. Table salt 94. Sugar 95. Tobacco dust 96. Cigarette ash 97. Rust 98. Rubber dust 99. Road dust 100. Sodium Nitrate & Mylar

 McCrone Particle Reference Set