Air Sampling Technician – Refresher View cart “Project Designer – Initial” has been added to your cart. $120.00 Air Sampling Technician - Refresher quantity Add to cart Category: Uncategorized Related products Operations & Maintenance – Initial $300.00 Add to cart Asbestos Inspector – Initial $500.00 Add to cart Project Monitor – Initial $650.00 Add to cart Project Monitor – Refresher $170.00 Add to cart