Air Sampling Technician – Refresher View cart “Allied Trades – Initial” has been added to your cart. $120.00 Air Sampling Technician - Refresher quantity Add to cart Category: Uncategorized Related products Project Designer – Refresher $200.00 Add to cart Project Monitor – Initial $650.00 Add to cart Operations & Maintenance – Initial $300.00 Add to cart Worker / Handler – Initial $450.00 Add to cart